SuperQuilt multifoil insulation
A/A+ fire ratedAt roughly 40mm, multifoil delivers serious performance without stealing headroom — which is why it is the answer for Purley homes with a room in the roof or a sloping ceiling.
South London loft specialists
Loft insulation in Purley
Our installers work in Purley and across the wider South London area every week, which means we know what is behind the hatch before we open it. That familiarity is why our quotes hold and why the job usually takes a day rather than three.
Free survey in Purley
Fixed written price
No call-out charge
Why it matters
The case for insulating your Purley 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
Put against current energy prices, a Purley loft still carrying 100mm of settled wool is costing its owner money every single winter it stays that way.
Purley's homes
Purley: what a survey usually turns up
Housing across Purley 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 Purley survey is checking for.
Our services in Purley
Five ways we keep Purley 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 Purley 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 Purley 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 Purley 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 Purley 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 Purley and the surrounding area
Purley sits within South London, and our teams regularly work in neighbouring areas including South Croydon and Coulsdon. If you are just outside Purley itself, we almost certainly already cover your street.
In the loft
Loft work in and around Purley
Examples of the work we carry out across the area — insulation, boarding, access and full makeovers.
Questions & answers
Purley loft insulation — common questions
How much does loft insulation cost in Purley?
We price Purley jobs after a free survey, itemised so you can see what the insulation, any boarding and any removal each cost. There is no call-out charge and the figure does not move once it is written. The London cost guide explains what drives it.
Do you offer free surveys in Purley?
Always, and there is no charge or obligation attached. A survey takes around half an hour. We would rather spend it establishing what your Purley loft actually needs than quote blind and revise the price later.
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.
Can I still use my Purley loft for storage afterwards?
Absolutely. The only wrong way to do it is to board flat onto the joists. We raise the deck on battens or loft legs, board it in tongue-and-groove panels and leave the eaves clear so the roof keeps ventilating.
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.
How long does the work take in a typical Purley home?
Half a day for insulation alone; a full day for a combined job with boarding, lighting and a ladder. Very large Purley lofts or heavy strip-outs occasionally run into a second morning, and we tell you that in advance.
What homeowners say
Reviews from Purley 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 Purley 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 Purley home?
Tell us about your Purley loft and we will arrange a survey, usually within the same week.