24/7 EMERGENCY
Burst pipe? Boiler down? No hot water? Engineers on call right now —
24/7 EMERGENCY
Burst pipe? Boiler down? No hot water? Engineers on call right now —
We install pipe lagging and insulation across Westminster — protecting exposed pipework in lofts, basements and grand period properties in Belgravia, Mayfair, Marylebone and Pimlico from freezing and heat loss. Fixed price, clean installation, 12-month workmanship guarantee. Booked and completed in a single visit in most cases.
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Uninsulated pipes in Westminster properties are exposed to freezing temperatures every winter and waste energy every day through heat loss. Here are the risks pipe lagging addresses.
Uninsulated cold water pipes in lofts, basements and unheated mews outbuildings can freeze solid during cold spells, splitting the pipe as the water expands. In Belgravia and Mayfair's grand stucco terraces, original pipe runs through cold basements and roof voids are the most common failure points we're called out to repair.
Every metre of uninsulated hot water pipe loses heat to the surrounding air, forcing the boiler to work harder. This is common in Marylebone's tall Georgian townhouses, where long vertical pipe runs travel through multiple unheated floors and stairwells.
Heat lost through uninsulated pipework — particularly the hot water cylinder and connecting pipes — is a measurable, avoidable cost. Proper lagging can reduce hot water heat loss by up to 75%, worth noting in Pimlico's larger period conversions with multiple flats sharing risers.
When pipes lose heat before reaching radiators or taps, the heating system has to run longer to compensate. This is a particular issue in St John's Wood's larger detached and semi-detached houses, where pipe runs to distant bathrooms and utility rooms are longest.
A complete pipe lagging service — from inspection of all exposed pipework through to correctly installed insulation across every vulnerable section.
We inspect every accessible pipe run — loft, basement, mews outbuilding and any external pipework — including original lead and iron pipework common in Westminster's period terraces. You get a clear breakdown before any work begins.
Foam tube lagging for standard pipes, foil-faced lagging for high-temperature runs near the boiler, and fibreglass for specialist applications — matched to pipe diameter, location and temperature.
Insulation is fitted along the full length of every at-risk section — including bends, tee junctions and valve bodies — with no gaps. All joins are cut cleanly and taped.
A final visual check confirms no gaps at joins, bends or valve points. You're walked through the completed work before sign-off, with your guarantee issued in writing.
Correct pipe lagging delivers four measurable benefits from the day of installation.
Correctly lagged loft and basement pipework will not freeze in a standard London winter — including basement pipe runs typical of Belgravia and Mayfair terraces.
Insulated hot water pipes retain heat as water travels from the boiler to taps and radiators, so hotter water arrives faster and the boiler doesn't compensate for transit loss.
Less heat lost from hot water pipes means less gas or electricity used to maintain temperature — a consistent, year-round saving.
A well-insulated system lets the boiler and pump run at full design efficiency, with shorter run times and less wear on components.
Cost depends on the total length of pipework, pipe diameter, number of locations and accessibility. All prices confirmed before work begins — no call-out charge.
Cold water pipes and tank connections in loft space
Exposed cold water pipework in unheated period basements
Cylinder jacket, primary flow pipes and connections
Exposed pipework in unheated mews properties
Loft, basement, boiler room and all at-risk pipe runs
Full system check, boiler service, safety test
Our engineers covering Westminster are based across Central London — fast arrival for call-outs in W1, WC1, WC2, SW1, NW1 and NW8 without cross-city dispatch delays.
From Belgravia's stucco terraces to Marylebone's Georgian townhouses and Pimlico's mansion conversions — we've lagged pipework across every property type in the borough. down and protected from freezing.
Much of Westminster sits within conservation areas. We're experienced with original lead and iron pipework and insulation that respects a property's character.
The same fixed pricing applies whether you're in SW1 Belgravia or NW8 St John's Wood. No zone uplift, no call-out charge.
Over 310 pipe lagging, plumbing and heating jobs completed across the borough — 4.9★ from local customers on Trustpilot and Google.
All pipe lagging work in Westminster carries our 12-month workmanship guarantee, issued in writing before we leave your property.
Read all reviews on Trustpilot →
“Our Belgravia townhouse has a basement running well below street level, and the cold water pipes there had never been insulated. Everything’s now lagged properly, including sections behind the boiler we hadn’t thought to check — no issues through this winter.”
“Tall Georgian townhouse in Marylebone with pipework running up through three unheated floors. The team lagged the full run and the hot water reaches the top-floor bathroom noticeably faster now.”
“Mews building behind our Mayfair property had a pipe freeze one cold snap and split, flooding the garage below. Had it all lagged properly before the following winter — no problems since, and the finish was neat and out of sight.”
Loft pipe lagging starts from £120 including materials. Basement pipe lagging starts from £95. Hot water cylinder jacket and primary pipe lagging starts from £110. Mews building or outbuilding pipe lagging starts from £90. A full property survey and lagging starts from £250. All prices are confirmed before work begins — no call-out charge.
Yes. We cover the entire borough including Mayfair, Belgravia, Marylebone, Pimlico, Fitzrovia and St John's Wood — postcodes W1, WC1, WC2, SW1, NW1 and NW8. Our engineers are based locally across Central London for fast response.
Yes. These conservation-area properties often retain original lead and iron pipework. Our engineers are experienced with insulating these pipe runs without disturbing period fittings or requiring listed building alterations.
Yes. Many Belgravia and Mayfair properties have basement extensions running well below street level, with cold water pipework that's particularly exposed to freezing. We assess and lag the full run.
No. There is no call-out charge, no Central London zone surcharge, and no area uplift for any postcode within Westminster. Fixed prices are identical whether you're in Belgravia or St John's Wood.
Any cold water pipe running through an unheated space — loft, basement, mews outbuilding or external wall — should be lagged, ideally before cold weather arrives. It can be installed at any time of year, and hot water pipes benefit from insulation year-round.
Fixed price confirmed before we start. Full property survey included. 12-month guarantee. Same-day across W1, WC1, WC2, SW1, NW1 and NW8.
We also cover these neighbouring boroughs — same fixed prices, same-day availability.
