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 Islington — protecting exposed pipework in lofts, basements, converted warehouse spaces and Georgian terraces 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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🔒 No obligation. Fixed price confirmed before any work starts.
Uninsulated pipes in Islington 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 outriggers can freeze solid during cold spells, splitting the pipe as the water expands. In Islington's Georgian terraces and Victorian conversions, 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 Clerkenwell's converted loft apartments, where long exposed pipe runs are often left visible as part of the industrial finish.
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%, which matters in Islington's high-turnover rental flats where bills are closely watched.
When pipes lose heat before reaching radiators or taps, the heating system has to run longer to compensate. This is a particular issue in Holloway and Archway's shared houses, where multiple flats draw on the same pipe runs and boiler.
Islington’s housing stock is dominated by Georgian and Victorian terraces in Canonbury, Barnsbury and Highbury, many within conservation areas, where original pipework often runs through unheated basements, cellars and loft spaces with no thermal protection. Clerkenwell’s converted warehouse lofts add a further layer of risk, with pipework frequently left exposed as part of the industrial aesthetic. These are the areas where we see the most freeze damage and the highest heat loss across the borough each winter.
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, cellar, utility space and any external pipework — including original lead and iron pipework common in Islington'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.
Uninsulated pipes in Islington properties are exposed to freezing temperatures every winter and waste energy every day through heat loss. Here are the risks pipe lagging addresses.
Correctly lagged loft and basement pipework will not freeze in a standard London winter — including cold basement pipe runs typical of Canonbury and Barnsbury 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 Georgian basements
Cylinder jacket, primary flow pipes and connections
Visible pipe runs in Clerkenwell-style loft apartments
Loft, basement, boiler room and all at-risk pipe runs
Full system check, boiler service, safety test
Fixed price policy: all prices confirmed before work begins — no call-out charge, no hidden extras, no inner-London zone surcharge. The price you approve is the price on the invoice.
Fast arrival for power flushing across N1, N4, N5, N7, N19 and EC1 — without the delays of London-wide dispatch.
From Canonbury's Georgian terraces to Clerkenwell's converted lofts and Holloway's shared houses — we've lagged pipework across every property type in the borough.
The same fixed pricing applies whether you're in N1 Canonbury or N19 Archway. No zone uplift, no call-out charge.
Same pricing whether you're in N1 Angel or N19 Archway.
Over 340 pipe lagging, plumbing and heating jobs completed across the borough — 4.9★ from local customers on Trustpilot and Google.
All pipe lagging work in Islington carries our 12-month workmanship guarantee, issued in writing before we leave your property.
Read all reviews on Trustpilot →
“Our Canonbury terrace has original pipework running through a cold basement, and we’d had a scare with a split pipe the previous winter. The engineer lagged everything properly, including two sections we hadn’t noticed near the tank connections — no issues at all through this winter.”
“Loft apartment in a converted Clerkenwell warehouse with exposed pipework as part of the design. The team insulated every visible run neatly without it looking out of place, and the hot water reaches the taps noticeably faster now.”
“Shared house in Holloway with a cold basement and pipes that froze one year during a cold snap, cutting off hot water for the whole building. Had everything lagged before this winter — no problems, and the landlord was pleased with how tidy the finish was.”
Yes. We cover the entire Islington borough including Angel, Islington, Highbury, Holloway, Canonbury, Barnsbury, Finsbury Park and Archway — postcodes N1, N4, N5, N7, N19 and EC1. Our engineers are based locally across North London.
Loft pipe lagging starts from £120 including materials. Basement or cellar pipe lagging starts from £95. Hot water cylinder jacket and primary pipe lagging starts from £110. Exposed pipework lagging in loft-conversion flats starts from £85. A full property survey and lagging starts from £250. All prices are confirmed before work begins — no call-out charge.
Yes. Canonbury and Barnsbury contain some of London's best-preserved Georgian terraces, many within conservation areas, with original lead and iron pipework. Our engineers are experienced with insulating these pipe runs without disturbing period fittings.
Any cold water pipe running through an unheated space — loft, basement, cellar 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.
Same-day callouts, fixed price agreed before we start. Call now or book online.
We also cover these neighbouring boroughs — same fixed prices, same engineers.
