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Written Report · Landlord · Pre-Sale · Pre-Purchase · London

Plumbing Inspection London

Annual plumbing checks, pre-sale surveys, and landlord compliance inspections across all 33 London boroughs — written report with photos, from £120, no call-out fee.

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~30%London homes pre-1919 (Victorian/Edwardian)
17%London homes still have lead supply pipes
280–320mg/l water hardness — fastest scale buildup in England
£8,500Avg London buyer negotiation on hidden plumbing defects

Four Types of Plumbing Inspection in London

📋

Annual Plumbing Check

For: Homeowners & landlords

£120–£180

Preventative inspection of all plumbing systems. Identifies issues before they become emergencies. Written report with photo evidence. Priority-ranked works list.

  • All visible pipework
  • Taps, valves, stopcocks
  • Boiler pressure check
  • Radiators and TRVs
  • Toilet mechanisms
  • Waste and drainage
🏡

Pre-Sale Plumbing Survey

For: Sellers before listing

£150–£250

Identify and fix issues before buyers discover them. Avoid price reductions of £5,000–£20,000 for hidden defects. Transferable report to solicitors.

  • All annual check items
  • Lead pipe assessment
  • Stop cock condition
  • Mains pipe sizing
  • Victorian pipework report
  • Estimated remediation costs
📜

Landlord Compliance Check

For: Landlords (BTL & HMO)

£150–£350

Homes (Fitness for Human Habitation) Act 2018 compliance. Legionella risk check for HMOs. Written evidence of due diligence for insurance and council licensing.

  • Emergency stop cock access
  • Hot water temperature (Legionella)
  • Pressure at all outlets
  • HMO Legionella risk assessment
  • Council licensing evidence pack
  • Annual maintenance schedule
🔍

Pre-Purchase Inspection

For: Buyers before exchange

£150–£250

RICS surveys don't cover plumbing in detail. Know what you're buying before exchanging contracts — typical savings: 5–15× the inspection fee in negotiation.

  • Full system condition report
  • Age and replacement timelines
  • Victorian lead pipe check
  • Estimated 5-year spend
  • Boiler age and condition
  • Buyer-ready written report

What's Included in Every Plumbing Inspection

💡 London-specific checks: All our inspections include a lead pipe assessment (around 17% of London homes still have original lead supply pipes — Thames Water offers a free replacement scheme for the section from street to boundary). We also document the Thames Water boundary stopcock location and condition, which is critical in a water emergency.
Cold and hot water pressure at every outlet
Stop cock accessibility and operation (legal requirement for landlords)
All tap cartridges and valves for drips and wear
Toilet cisterns — fill valve, flush valve, overflow
Under-sink waste connections and visible pipework
Boiler pressure and expansion vessel condition
Radiators — cold spots, valve operation, TRV function
Unvented cylinder PRV and TPRV (annual safety check)
Shower pump and thermostatic cartridges
Outdoor taps and isolation valves
Lead pipework assessment (pre-1970 properties)
Thames Water boundary stopcock condition and location
Signs of past or current water damage
Mains water entry pipe sizing (15mm vs 22mm)

Plumbing Inspection Prices — London 2026

Inspection TypeProperty SizePrice
Annual plumbing inspection1–2 bed£120
Annual plumbing inspection3–4 bed£150
Annual plumbing inspection5+ bed / HMO£180–£350
Pre-sale or pre-purchase surveyAny size£150–£250
Landlord compliance report (incl. Legionella)HMO£220–£350
Inspection + priority repair (deducted from repair)Any sizeInspection fee waived

All inspections include written report and photos. Inspection fee deducted if you proceed with any recommended repairs. 7 days, all boroughs.

Plumbing Inspections Across London

Plumbing Inspection FAQs

What does a plumbing inspection include in London?

All visible pipework, cold and hot water pressure at every outlet, taps, valves, stop cocks, toilet cisterns, under-sink wastes, boiler pressure, radiators, hot water cylinder or unvented system, shower pumps. London-specific: Victorian lead pipe assessment and Thames Water boundary stopcock. Written report with photos and priority-ranked remedial works.

Do landlords in London need annual plumbing inspections?

No legal equivalent of a CP12 gas certificate. However, the Homes (Fitness for Human Habitation) Act 2018 imposes a duty of repair. HMO licensing conditions increasingly require evidence of maintenance. A documented annual inspection provides due diligence evidence if a tenant claims. Strongly recommended for properties over 10 years old or with Victorian pipework.

What is a pre-sale plumbing inspection in London?

A survey carried out before listing to find issues before buyers do. London Victorian housing stock (30% pre-1919) commonly has lead pipes, corroded galvanised pipes, failed stopcocks. Fixing pre-sale typically costs £500–£3,000 vs. accepting a buyer price reduction of £5,000–£20,000.

How much does a plumbing inspection cost in London?

Annual inspection: £120–£180 for a typical 2–3 bed house including written report. Pre-sale/pre-purchase: £150–£250. HMO compliance: £180–£350. Inspection fee deducted from any repair work completed.

What is checked in a London landlord plumbing compliance inspection?

Stop cock accessibility (must be operable by tenants), pressure and flow at all outlets, toilets and cisterns, water temperature (Legionella: 60°C at cylinder, 50°C at tap within 1 minute for HMOs), no visible leaks, unvented cylinder PRV/TPRV. HMOs legally require a written Legionella risk assessment under L8 ACOP.

Should I get a plumbing inspection before buying a London flat or house?

Yes. A RICS homebuyer report rarely covers plumbing detail; a valuation covers almost nothing. In London's Victorian housing stock, discoveries include lead pipes (£1,500–£4,000 to replace), failed stopcocks (£150–£300), ageing unvented cylinders (£1,200–£2,500). Cost of inspection: £150–£250. Negotiation leverage: often 10–50× that.

Related Services

Gas Safety CertificateLeak DetectionBoiler ServiceDrain Survey (CCTV)Water Leak RepairLandlord Plumber

Book a Plumbing Inspection in London

Written report · Photos · From £120 · All 33 boroughs · 7 days

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