SuperQuilt multifoil insulation
A/A+ fire ratedA/A+ fire rated and around 40mm thick. For Thamesmead properties where deepening the rafters is impractical, this is what makes the numbers work.
South East London loft specialists
Loft insulation in Thamesmead
Cold upstairs rooms and a heating bill that keeps climbing usually have the same cause, and in Thamesmead it is very often the roof. We survey the loft free of charge, measure what is genuinely up there, and quote a fixed price to bring it up to standard.
Free survey in Thamesmead
Fixed written price
No call-out charge
Why it matters
The case for insulating your Thamesmead 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
The reason we lead with the roof rather than the walls or the windows is arithmetic: in a typical Thamesmead property it is the largest single heat loss and the smallest single bill to fix it.
Thamesmead's homes
Older Thamesmead homes, modern standards
Thamesmead's housing stock largely dates from the 1880s through the 1930s, and the roofs above it are typically pitched tile and slate roofs with reasonable head height, and hipped ends on the interwar semis that reduce the usable void. Very little of it was built with any insulation at all; what is there now was added later, and its condition depends entirely on who added it and when.
Retrofitted insulation ages in predictable ways. Mineral wool settles and compresses under its own weight over decades. Anything that has been walked on, stored on or boarded over is thinner than it was. Material that has been repeatedly damp has lost most of its value. And the very oldest loose-fill products are often best removed entirely rather than topped over.
A specific local factor: hipped roofs on 1930s semis cut the usable loft area down sharply at the corners, which changes how much of it is worth boarding. We look for that on every Thamesmead survey.
Our services in Thamesmead
Five ways we keep Thamesmead 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 depthFull-depth mineral wool, fitted with the ventilation path protected and the hatch sealed — the details that decide whether a Thamesmead loft actually performs.
Loft boarding
Storage-readyA squared, edged deck reached from the hatch, with the eaves left open so the roof keeps breathing. Sized to what you will actually use rather than the whole Thamesmead footprint.
Loft ladders
Fitted in a dayFixed, stable access instead of a stepladder on the landing. Timber, aluminium or concertina, chosen to suit the space your Thamesmead home actually has.
Loft makeovers
All-in-oneOne team, one survey, one sequence of work. The insulation depth sets the batten height, the batten height sets the ladder landing — which is why doing it piecemeal costs more.
Not sure what your Thamesmead 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 Thamesmead and the surrounding area
Working across South East London means Thamesmead rarely stands alone on the schedule — Abbey Wood and Plumstead are all within the same round. If your address sits between them, ring and we will confirm.
In the loft
Loft work in and around Thamesmead
Examples of the work we carry out across the area — insulation, boarding, access and full makeovers.
Questions & answers
Thamesmead loft insulation — common questions
How much does loft insulation cost in Thamesmead?
There is no single figure, and anyone offering one for Thamesmead without seeing the loft is guessing. The largest swing factor is almost always whether the existing material can be topped over or has to be stripped out and disposed of. We survey free of charge and quote a fixed price afterwards.
What insulation depth do you fit?
270mm of mineral wool, cross-laid — the depth current building regulations guidance points to for a cold loft. Where a Thamesmead property has a room in the roof and depth is constrained, we use 40mm multifoil at rafter level instead.
Will this improve my EPC rating?
Very likely. Without documentation an assessor will often default to a pessimistic assumption about what is in the loft, so we make sure you have the paperwork to show them.
What homeowners say
Reviews from Thamesmead customers
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Worth reading before you book
Loft insulation grants and funding — one of our guides, written by the surveyors who assess lofts across Thamesmead 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 Thamesmead home?
We will look at your Thamesmead loft, measure what is there and tell you honestly whether it needs work. No charge either way.