SuperQuilt multifoil insulation
A/A+ fire ratedAt roughly 40mm, multifoil delivers serious performance without stealing headroom — which is why it is the answer for Twickenham homes with a room in the roof or a sloping ceiling.
South West London loft specialists
Loft insulation in Twickenham
Insulation is the one home improvement that starts paying you back on the next heating cycle rather than in a decade. We fit it across Twickenham — to full depth, with the eaves kept clear and the hatch sealed, which is where most jobs quietly go wrong.
Free survey in Twickenham
Fixed written price
No call-out charge
Why it matters
The case for insulating your Twickenham 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
Which is why a free survey is worth half an hour of your time — the measurement itself usually settles whether a Twickenham loft is worth spending anything on.
Twickenham's homes
Twickenham: what a survey usually turns up
Housing across Twickenham and the surrounding South West London area is largely substantial Victorian and Edwardian houses, interwar semis and detached homes, and a large number of period conversions, built through the 1880s 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 — a high proportion of lofts here have already been converted or partly converted, which moves the insulation from the floor to the rafters — and you have most of what a Twickenham survey is checking for.
Our services in Twickenham
Five ways we keep Twickenham 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 Twickenham 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 Twickenham homeowners get usable storage and keep the insulation they paid for.
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 Twickenham 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 Twickenham 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 Twickenham and the surrounding area
If you are on the edge of Twickenham — closer to Richmond and Isleworth, 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 Twickenham
Examples of the work we carry out across the area — insulation, boarding, access and full makeovers.
Questions & answers
Twickenham loft insulation — common questions
What happens to the water tank and pipes?
Insulating the loft floor makes everything above it colder, including your tank and pipework. Lagging is therefore part of the work rather than an optional extra, and we will point out anything that looks like it will need attention.
Will this improve my EPC rating?
Usually, and often noticeably. Loft insulation depth is recorded directly by the assessor, so increasing it from 100mm to 270mm generally moves the rating. We hand over product documentation and declared performance figures so your assessor records what is actually there.
Will insulating my loft cause damp?
It can if the ventilation is ignored, which is why we check it before anything comes off the van. If we find an existing condensation problem in a Twickenham loft, we deal with the cause first rather than insulating over it.
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 Twickenham property has a room in the roof and depth is constrained, we use 40mm multifoil at rafter level instead.
Do I need planning permission in Twickenham?
No. Loft insulation, boarding and loft ladders are all improvement works well outside planning control, in Twickenham as everywhere else. A loft conversion — creating a habitable room with structural alterations — is different and normally needs building control approval. We do not carry out conversions.
How much does loft insulation cost in Twickenham?
There is no single figure, and anyone offering one for Twickenham 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 homeowners say
Reviews from Twickenham 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 Twickenham 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 Twickenham home?
We will look at your Twickenham loft, measure what is there and tell you honestly whether it needs work. No charge either way.