Bottom Line: Professional leak detection in London costs £195-£695 depending on property type and leak complexity. This saves you £2,000-£12,000 compared to excavation-based leak finding that London builders typically charge.
Basic Visual Survey: £195
Our entry-level service covers single-room investigations using professional moisture meters and thermal spot-checking. Perfect when you've identified roughly where the leak is but need confirmation before repairs. Includes immediate verbal report and marked leak location.
What's included:
Standard Thermal Imaging Survey: £395
Our most popular service for London homes - comprehensive thermal scanning of your entire property identifying all moisture areas, cold spots, and hidden leaks. Ideal for Victorian terraces in Islington, Georgian townhouses in Kensington, or modern flats in Canary Wharf.
What's included:
This £395 investment typically saves London homeowners £3,000-£8,000 in unnecessary excavation costs. One Clapham customer avoided a £6,200 quote to strip their bathroom after our thermal survey pinpointed the leak behind one tile section - total repair cost was just £680.
Acoustic Underground Detection: £495
Specialized service for underground supply pipe and drainage leaks. Essential for London properties with long front gardens, Victorian homes with pipes beneath tiled hallways, or anywhere the leak is buried beneath concrete, tarmac, or paving.
What's included:
A Hampstead homeowner saved £9,400 using this service. Their builder quoted £10,500 to excavate their entire front garden and driveway to trace a supply pipe leak. Our acoustic detection located it precisely in 90 minutes for £495, with repair costing just £850 total.
Comprehensive Investigation: £695
Our premium service combining thermal imaging, acoustic testing, and pressure analysis. Recommended for complex scenarios - multiple suspected leaks, previous investigations that failed, large London properties with complicated plumbing, or when insurance requires exhaustive documentation.
What's included:
The prices above are what you pay - guaranteed. Unlike some London leak detection companies, we include:
You'll know the exact price before we arrive. Many London customers tell us they were quoted £600-£900 by other companies for the same service we provide at £395 - and those quotes didn't include the 12 months warranty we offer as standard.
We accept cash, card, bank transfer, and cheque. Payment is due on completion of the survey. For insurance claims, we can invoice your insurance company directly with their agreement, or you can pay and reclaim - we provide all necessary documentation.
No upfront deposits required - you only pay once we've completed the work and you've seen our findings.
Rebecca and Tom from Dulwich Village contacted us in March after noticing their water bill had jumped from £110 to £385 over just two quarters. Their front garden showed a persistently soggy patch near the Victorian tiled pathway, but they couldn't locate the source.
The Traditional Quotes They Received:
"We were devastated," Rebecca told us when she called 07833 053 749. "Those Victorian tiles are original to the house - 1880s. The thought of ripping them up when we didn't even know where the leak was seemed insane."
Our Detection Service Cost: £495
We deployed acoustic leak detection equipment, placing sensors along their supply pipe route. Within 90 minutes, the distinctive sound signature of escaping water appeared on our correlation equipment - 4.8 meters from their front wall, exactly where Victorian-era lead pipe connected to 1990s plastic replacement.
Tom watched as we marked the exact spot. "You could actually hear it through their equipment - this rhythmic whooshing. They spray-painted a small circle on one tile. That precision was incredible."
Actual Repair Cost: £720
Their regular plumber lifted just two Victorian tiles at our marked location (preserving them carefully for reinstatement). The leak was exactly where indicated - a compression joint that had failed. New pipe section in modern plastic: £280. Labour for 4 hours: £320. Tile reinstatement by specialist: £120.
Total Expenditure Breakdown:
Money Saved: £5,285 (compared to the average £6,500 quote they received)
"Our water bill dropped back to £115 the next quarter," Rebecca added. "We'd been wasting over 850 liters daily for months without realizing. The detection service paid for itself in water savings within 8 months. But the real saving was those £6,000+ quotes we avoided."
The 12 months warranty gave them complete confidence. "Knowing they'd return free if they'd got it wrong removed all risk from using this technology," Tom explained. "Six months later, still bone dry. Best £495 we ever spent."
This Dulwich case demonstrates exactly why 95% of our London customers save £2,000-£8,000 by detecting before excavating. Call 07833 053 749 today if you're facing similar quotes for speculative excavation.
Many London homeowners hesitate to invest £395-£495 in professional leak detection, hoping the problem will resolve itself or that a plumber can find it for free. This delay costs thousands in hidden expenses that accumulate daily while your leak continues.
Thames Water charges approximately £1.50 per cubic meter (1,000 liters) for water supply, plus £1.30 per cubic meter for wastewater treatment. That's £2.80 total per 1,000 liters wasted.
Real cost calculations:
A Wandsworth homeowner ignored a slowly increasing water bill for 18 months. Their quarterly bill rose from £95 to £340. When we finally detected their underground supply pipe leak, calculations showed they'd wasted £1,800 in water charges alone - enough to pay for leak detection nine times over.
"I kept thinking I'd get around to it," the homeowner told us. "Meanwhile I literally flushed £1,800 down the drain. The detection cost £495. I'd have been £1,300 better off acting immediately."
Water escaping underground doesn't just disappear. It saturates foundations, undermines structural supports, and causes subsidence in London's clay soil. These repairs cost catastrophically more than the original leak.
Typical structural damage costs in London:
A Kensington townhouse owner ignored minor dampness in their lower ground floor for two years. When they finally called us, thermal imaging revealed extensive water penetration from a leaking heating pipe within the wall cavity. The leak itself cost £680 to repair. But the structural damage required:
Early detection would have caught the leak before any structural damage occurred. The homeowner's total expenditure was £14,575 (including our £495 survey and £680 repair). Detecting early would have cost just £1,175 - saving £13,400.
Hidden water leaks create perfect conditions for toxic mold growth behind walls, under floors, and within ceiling voids. London's Victorian properties are particularly vulnerable due to poor ventilation in period features.
Professional mold remediation costs:
A Brixton family called us after their young daughter developed persistent respiratory problems. Environmental health had identified extensive mold growth behind bedroom walls. Our thermal imaging revealed a concealed bathroom waste pipe had been leaking for an estimated 14 months.
Their costs:
Detecting the leak when they first noticed occasional dampness would have cost £915 (£395 detection + £520 repair). The 14-month delay cost them an additional £9,600 in mold remediation and accommodation.
Insurance companies treat undisclosed water damage very seriously. If you claim for a leak-related issue but can't prove when the leak started or show you acted promptly, insurers may reduce payouts or decline claims entirely.
Insurance-related costs from delayed leak detection:
A Notting Hill homeowner delayed investigating rising damp for 8 months. When structural cracks appeared, they claimed on insurance. The insurer's surveyor determined the leak had been ongoing for "considerable time" and the homeowner should have "acted sooner to mitigate damage." Claim payout reduced from £18,400 to £8,200 - costing the homeowner £10,200 in declined expenses.
"They said we'd allowed the damage to worsen through inaction," the homeowner explained. "A £495 leak detection survey within the first month would have shown we acted promptly. Instead we lost £10,000 in insurance coverage."
Detection cost: £395-£695
Average delayed detection total cost: £8,000-£25,000
Your saving by acting now: £7,500-£24,000+
Every day you delay, these hidden costs accumulate. Call 07833 053 749 today and stop the financial bleeding. Our 12 months warranty means you have complete confidence in our findings - protecting both your property and your wallet.
London homeowners facing excavation quotes of £4,000-£15,000 often wonder why leak finding costs so much compared to other UK cities. The answer lies in London's unique combination of property types, access challenges, and restoration requirements that make traditional excavation extremely expensive.
Victorian terraces across Hackney, Islington, Camden, and Wandsworth feature original materials that are difficult and expensive to replace. Georgian townhouses in Kensington, Chelsea, and Bloomsbury include protected architectural features.
London period property restoration costs:
A Highgate Victorian villa owner received quotes to excavate their hallway to trace a leak. The cheapest quote was £8,200 - with £4,800 of that cost just for removing and reinstating original encaustic floor tiles. Our thermal imaging detected the leak without touching the tiles for £395, with the repair costing £620 total - saving £7,580.
Dense urban development, narrow streets, resident parking schemes, and basement flats make excavation equipment access difficult across London. These complications significantly increase contractor costs.
London-specific access cost increases:
A Clapham homeowner received quotes to excavate their front garden for a supply pipe leak. All three contractors added £600-£900 "London accessibility premium" for congestion charges, parking, and restricted equipment access. Our acoustic detection located the leak precisely for £495, requiring only 2m² excavation by their plumber - no special access arrangements needed.
London's 2,000+ years of continuous development means underground utilities are densely packed and often undocumented. Victorian water pipes, Georgian sewers, Edwardian gas mains, modern fiber optics - all crammed into limited space beneath streets and gardens.
Utility avoidance costs in London:
A Fulham property owner's plumber accidentally damaged a Victorian brick sewer while excavating to find a water leak. Thames Water's emergency repair cost £3,200, which the homeowner was legally liable for. The original leak? Could have been detected for £395 with our thermal imaging.
Properties in London's 250+ conservation areas face additional restrictions on excavation and alterations. Planning consent may be required even for leak repairs if excavation affects street-facing features.
Conservation area additional costs:
Thermal imaging and acoustic detection require no excavation, no access vehicles, no utility avoidance, and no planning consent. One van, one technician, 2-3 hours, and you have exact leak locations.
This is why our £395-£695 detection service saves London homeowners £3,000-£12,000 compared to traditional excavation-based leak finding. The technology investment pays for itself many times over. Call 07833 053 749 and avoid London's excavation premium entirely.
Unlike some leak detection companies that charge premiums for Central London, Zone 1 properties, or "difficult access" areas, we maintain consistent pricing across all London boroughs. Whether you're in a Mayfair penthouse or a Croydon semi-detached, the price is identical.
Central London: Westminster, Kensington & Chelsea, City of London, Camden, Islington - no congestion charge passed on to you
North London: Barnet, Enfield, Haringey, Harrow, Brent, Ealing - full coverage
East London: Tower Hamlets, Hackney, Newham, Redbridge, Waltham Forest, Havering, Barking & Dagenham - regular service
South London: Lambeth, Southwark, Wandsworth, Lewisham, Greenwich, Bromley, Croydon, Sutton, Merton - complete coverage
West London: Hammersmith & Fulham, Hounslow, Richmond, Kingston, Hillingdon - consistent pricing
A Canary Wharf homeowner told us they'd been quoted £750 for thermal imaging by another company "due to Zone 2 location and parking difficulties." We charged £395 - our standard price. They saved £355 simply by calling us instead.
We've served London for 15 years, conducting thousands of leak detection surveys across all boroughs. This experience and established presence means we absorb location costs rather than passing them to you:
Our competitors often add £150-£300 "London supplements" or "Zone 1 premiums." These are pure profit margins. Our transparent pricing means you know exactly what you'll pay regardless of location.
Call 07833 053 749 before 2pm for same-day appointments throughout Greater London. Our technicians are strategically positioned to reach any London postcode within 90 minutes during standard hours.
Same-day service applies to all pricing tiers - £195 basic surveys through to £695 comprehensive investigations. No premium for urgency, no extra charges for Saturday appointments (subject to availability).
Call 07833 053 749 and describe your leak symptoms. We'll quote you an exact price over the phone based on your situation - no need for an "assessment visit" that some companies charge £80-£150 for.
What we quote is what you pay. If we arrive and find the job is simpler than described, we'll reduce the price. If it's more complex, we'll explain why and get your approval before proceeding. Complete transparency, no surprises.
Amanda from Richmond Green called us after persistent dampness appeared in her ground floor drawing room. The property, a Grade II listed 1780s townhouse, had already stumped two building surveyors and a heritage contractor.
Quotes received:
"Both contractors said the leak could be anywhere beneath 40m² of original 1780s pine floorboards," Amanda explained. "They'd have to lift them all progressively to find it. I was horrified at the thought of that disruption and cost."
Our thermal imaging cost: £395
The thermal camera identified a distinctive cold signature beneath one specific section of floorboards - approximately 2m² area near the bay window. The leak was actually a modern central heating pipe that had been run beneath the historic floor during 1960s renovations.
Repair cost: £520 (specialist heritage carpenter lifted and replaced just 6 floorboards at our marked location)
Total spent: £915
Money saved: £7,285 (compared to average quote of £8,800)
"The 12 months warranty was crucial for a listed building," Amanda said. "I couldn't risk multiple contractors trampling through the house. One survey, precise location, minimal disruption. It's now been seven months - completely dry. Worth every penny of that £395."
Marcus and Lisa's modern warehouse conversion in Shoreditch developed a mystery leak. Their concrete floor showed no visible damp, but their water meter was spinning constantly even with everything turned off. Their quarterly bill had reached £520 from a normal £95.
Quotes received:
"We have 12 separate underfloor heating zones," Marcus told us when he called 07833 053 749. "Both plumbers said it could be any of them. They'd basically have to check all 12 circuits by breaking up floor sections until they found it."
Our comprehensive investigation cost: £695
We pressure-tested each heating zone individually, identifying Zone 7 (master bedroom) as losing pressure. Thermal imaging then pinpointed the exact leak location within that zone - a pushed-fit connection that had pulled apart where concrete had settled unevenly after building conversion.
Repair cost: £780 (broke just 0.8m² concrete at precise marked spot, replaced connection, reinstated with rapid-dry concrete)
Total spent: £1,475
Money saved: £4,525 (compared to average quote of £5,800)
"Their pressure testing saved us hours of thermal imaging time, which saved us money," Lisa explained. "They work efficiently - find the problem fast, mark it accurately, get out of your way. The 12 months warranty meant our plumber felt confident working from their findings. Bill dropped back to £98 next quarter. Brilliant value."
Our leak detection services cost £195-£695 depending on complexity. The subsequent repair typically costs £200-£1,200 once the leak is precisely located. Total cost averages £595-£1,895. Compare this to excavation-based finding costing £3,000-£12,000 before any repairs. You save 70-90% by detecting first. A Wimbledon customer's total bill was £915 (£395 detection + £520 repair) versus quotes of £6,200-£8,400 for excavation-based finding and repair.
No. Our prices are identical across all London zones and boroughs. Basic survey: £195. Thermal imaging: £395. Acoustic detection: £495. Comprehensive: £695. These prices apply whether you're in Westminster, Croydon, Barking, or Richmond. We absorb congestion charges and parking costs rather than passing them to you. A Kensington customer was quoted £750 by another company "due to Zone 1 premium" - we charged our standard £395, saving them £355.
We accept cash, all major cards, bank transfer, and cheque. Payment is due on completion of the survey once you've seen our findings and received the verbal report. No upfront deposits required. For insurance claims, we can invoice insurers directly (with their agreement) or provide detailed documentation for your reimbursement claim. Many London customers pay by card on our mobile terminal for immediate receipt.
Yes, absolutely. Our 12 months warranty on detection accuracy is included in every service at no extra cost - £195 basic surveys through to £695 comprehensive investigations. If we identify a leak location and subsequent excavation proves us wrong, we return free of charge to reinvestigate. This warranty has protected London customers for 15 years with less than 3% claims, demonstrating consistent accuracy. The warranty covers detection precision, not the subsequent repair work which is performed by your chosen contractor.
Our transparent pricing is typically 20-40% below London competitors. Many companies quote £600-£900 for thermal imaging we provide at £395. Others charge £850-£1,200 for acoustic detection we offer at £495. We maintain these prices through efficiency from 15 years of experience and high volume of London work - we're not the cheapest option, but we offer the best value combining professional equipment, experienced technicians, comprehensive reporting, and 12 months warranty. A Hampstead customer showed us quotes of £780, £850, and £920 for basic thermal surveys - our £395 saved them £385-£525.
Everything needed for complete leak detection - no hidden extras. Included: professional technician visit, appropriate detection technology (thermal imaging, acoustic equipment, or both), detailed photographic report, exact leak locations marked on your property, repair recommendations, cost estimates, insurance documentation if needed, follow-up consultation, and 12 months warranty. Not included: the subsequent repair work (performed by your plumber), any required access charges like scaffolding for high-level work, or emergency callout premiums for evening/weekend urgent appointments. What we quote is what you pay - guaranteed.
Our service is leak detection - identifying where water is escaping. In 15 years of London work, we've maintained 95%+ accuracy finding leaks our customers knew existed. If we conduct a thorough survey and find no evidence of leaks using our thermal and acoustic technology, you've still received valuable service confirming no detectable leaks exist (the damp may be condensation, rising moisture, or resolved). However, our 12 months warranty means if we identify a specific leak location and your contractor finds nothing there, we'll return free to reinvestigate - this protects your investment completely. Call 07833 053 749 to discuss your specific situation.
Our £395 thermal imaging survey pays for itself remarkably quickly through water bill savings alone - often within 6-12 months. Add in avoided excavation costs and structural damage prevention, and the return on investment is immediate.
Thames Water charges approximately £2.80 per 1,000 liters (including wastewater treatment). Use your recent bill increase to estimate daily leak volume:
If your quarterly bill increased by £50:
If your quarterly bill increased by £100:
If your quarterly bill increased by £200:
Beyond water savings, leak detection immediately saves you £2,000-£12,000 in unnecessary excavation costs. This means the return on investment is actually instant - you save money the moment you book detection rather than excavation.
Real ROI examples from London customers:
Battersea homeowner - Quarterly bill increase: £185
Islington Victorian terrace - Quarterly bill increase: £95
The ROI improves further when you consider prevented structural damage, mold remediation, and insurance implications. Every month a leak continues increases the risk of catastrophic damage costing £5,000-£25,000.
A Greenwich homeowner's leak detection cost £395. Three months later, their neighbor (with identical property and similar leak symptoms) suffered ceiling collapse from undetected bathroom leak - repairs totaling £14,200. Our customer's early detection prevented similar damage. ROI: 3,500% (saved £13,805 in potential damage).
Leak detection isn't an expense - it's an investment with guaranteed positive returns. Water savings alone typically recover costs within 2-12 months. Add in avoided excavation (£2,000-£12,000) and prevented structural damage (£5,000-£25,000), and the financial case is overwhelming.
Every day you delay costs money. Call 07833 053 749 today and stop the financial bleeding. Our 12 months warranty protects your investment completely.
Our thermal cameras cost £25,000 - professional equipment detecting temperature differences invisible to human eyes. Water escaping from pipes creates distinctive cold spots (cold water) or warm signatures (heating leaks) visible through solid walls, floors, and ceilings.
This technology costs £395 for a complete property survey - saving you £3,000-£8,000 compared to stripping walls and lifting floors to find leaks by trial and error.
What thermal imaging detects:
A Fulham homeowner was quoted £4,200 to strip their bathroom to find a leak. Our £395 thermal survey identified it behind two specific tiles - repair cost £420. Total saving: £3,780.
Pressurized water escaping through pipe cracks creates distinctive sound frequencies. Our acoustic correlation equipment detects these sounds through concrete, tarmac, clay, and blockwork - pinpointing leaks to within 30cm accuracy.
This service costs £495 - saving you £4,000-£15,000 compared to excavating entire gardens or driveways to trace underground pipes by guesswork.
What acoustic detection locates:
A Hampstead homeowner was quoted £10,500 to excavate their entire front garden. Our £495 acoustic detection located the leak in 90 minutes - repair cost £850. Total saving: £9,655.
The equipment we use costs over £40,000. Training our technicians takes years. But this investment means we find leaks in 2-3 hours that would take days or weeks of excavation to locate.
Cost comparison per leak found:
Our 15 years of experience across thousands of London properties means we know where to look, which technology suits your property type, and how London's unique construction affects leak patterns. This expertise maximizes the value you receive from every survey.
Our £25,000 thermal camera operated by inexperienced hands wouldn't save you money. Our 15 years of London experience without proper equipment couldn't deliver precise results. The combination of both is what makes our service exceptional value - proven by thousands of satisfied customers saving £2,000-£12,000 each.
Every leak detection survey includes our comprehensive 12 months warranty at no extra cost. This warranty removes all financial risk from using our technology-based detection service rather than traditional excavation methods.
If we identify a specific leak location and your contractor excavates/accesses that location finding no leak where we indicated, we will:
This warranty has protected London customers for 15 years. Our claim rate is less than 3%, demonstrating consistent 95%+ accuracy. But knowing you're protected completely removes the "what if" worry.
Compare our approach to excavation contractors who typically offer no guarantees whatsoever. Dig in the wrong place? You pay again for more excavation. Many London homeowners have paid £3,000-£5,000 for initial excavation that found nothing, then needed our survey anyway.
A Kensington homeowner spent £4,200 on speculative excavation finding nothing. Called us, paid £395 for thermal imaging, found the leak immediately. Total cost: £4,595 (plus repair). Had they called us first: £395 detection + repair = saved £4,200 plus the stress and wasted time.
Our 12 months warranty means you can't lose. Either we find the leak (95% probability), or we keep investigating free until we do. The only scenario where the warranty doesn't apply is if no leak actually exists - but then you've received valuable confirmation saving you from unnecessary repairs.
Our 12 months warranty demonstrates absolute confidence in our technology and expertise. We're so certain of finding your leak that we'll work for free if we're wrong. No other leak detection company offers this level of protection in London.
Combined with transparent pricing (£195-£695 depending on service), comprehensive reporting, and 15 years of experience, you're getting the best value leak detection service available in London. Call 07833 053 749 today and discover how much you can save.
Every day your leak continues costs you money in wasted water, accumulating damage, and increasing repair complexity. Our £395-£695 detection service saves you £2,000-£12,000 compared to excavation-based leak finding while protecting your London property from unnecessary damage.
With 15 years of experience across all London boroughs, 12 months warranty on every survey, and transparent pricing that's 20-40% below competitors, we deliver exceptional value that thousands of satisfied customers can verify.
✓ Save 70-90%
Vs excavation costs
✓ No Hidden Fees
Transparent pricing guaranteed
✓ Same-Day Service
Call before 2pm
✓ 12 Month Warranty
Risk-free investment
Westminster to Croydon, Barking to Richmond - we serve all London boroughs at consistent prices. Our technology finds leaks others miss, our experience ensures accurate diagnosis, and our warranty protects your investment completely.
Call 07833 053 749 now and start saving thousands today.