SuperQuilt multifoil insulation
A/A+ fire ratedMultifoil earns its place in Walworth roofs where depth is the binding constraint — period timbers, low headroom, or a conversion already boarded out.
South London loft specialists
Loft insulation in Walworth
Whether you are in a period terrace, an interwar semi or something considerably more recent, we specify insulation for the roof it is actually going into. Walworth homes get a free survey, a fixed price and work carried out to current recommended standards.
Free survey in Walworth
Fixed written price
No call-out charge
Why it matters
The case for insulating your Walworth loft
25%of a home's heat is lost through an uninsulated roof
1 in 5UK lofts are under-insulated or have the wrong material
270mmthe depth current building regulations recommend
90%less radiant heat loss with SuperQuilt multifoil
For a Walworth homeowner the practical upshot is simple — the loft is the first upgrade worth making and the one most likely to have been done to an outdated standard.
Walworth's homes
Walworth: what a survey usually turns up
Housing across Walworth and the surrounding South London area is largely dense Victorian terraces and villas, interwar semis and a substantial amount of purpose-built and converted flats, built through the 1860s through the 1930s. When we open a hatch here, the most common finding is not an absence of insulation but an insufficiency of it — a layer that was correct when fitted and has since been overtaken by both the guidance and the price of energy.
The second most common finding is a ventilation problem. Insulating a loft floor makes the roof space colder, and a colder roof space condenses more readily. Where a previous installer packed material tight into the eaves, the roof has lost the airflow it depends on and the homeowner has a damp loft they blame on the insulation rather than on the installation.
Add to that the local factor — subdivision into flats is very common, so ownership of the roof space is worth establishing before work is booked — and you have most of what a Walworth survey is checking for.
Our services in Walworth
Five ways we keep Walworth homes warm
Every one of these begins with the same free survey and ends with a fixed price agreed before anything starts.
Loft insulation installation
270mm depthMineral wool cross-laid to the 270mm depth current regulations recommend. For most Walworth homes this is the single highest-value thing you can do to the building.
Loft boarding
Storage-readyBoards laid straight onto joists crush 270mm into 100mm. We batten out instead, so Walworth homeowners get usable storage and keep the insulation they paid for.
Loft ladders
Fitted in a dayMany older Walworth hatches are too small for a ladder to swing through safely. We measure at survey and price any enlargement up front rather than on the day.
Loft makeovers
All-in-oneThe whole loft dealt with at once, for one fixed price. Most Walworth properties are finished within a day.
Not sure what your Walworth loft needs?
Describe the property and what is bothering you about it, and we will recommend the right combination — or tell you that nothing needs doing.
Where we work
Covering Walworth and the surrounding area
If you are on the edge of Walworth — closer to Camberwell and Elephant and Castle, perhaps — you are still inside our working area. The boundaries on this site are for navigation, not for pricing.
In the loft
Loft work in and around Walworth
Examples of the work we carry out across the area — insulation, boarding, access and full makeovers.
Questions & answers
Walworth loft insulation — common questions
How much does loft insulation cost in Walworth?
Price depends on the loft's floor area, the depth and condition of anything already up there, how easy the space is to move around in, and whether old material has to be removed. That is why every Walworth quote follows a free survey rather than a phone call. Once given, the price is fixed. Our cost guide sets out each variable.
What insulation depth do you fit?
The recommended 270mm, achieved in two layers: the first between the joists, the second laid across them to eliminate the cold bridge through the timber. Skipping that second cross-lay is one of the most common shortcuts in the trade.
Will this improve my EPC rating?
It is one of the most reliable ways to improve a rating, because depth is a direct input rather than an inferred assumption. How far it moves depends on everything else about the Walworth property, but the direction is not in doubt.
What homeowners say
Reviews from Walworth customers
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Worth reading before you book
How much does loft insulation cost in London? — one of our guides, written by the surveyors who assess lofts across Walworth and the rest of the capital every week. You can also browse all of our advice guides or read the general FAQ.
Written and fact-checked by the Loft Insulation London survey team, who assess loft spaces across the capital every working week. Last reviewed .
Ready for a warmer Walworth home?
Tell us about your Walworth loft and we will arrange a survey, usually within the same week.