SuperQuilt multifoil insulation
A/A+ fire ratedA/A+ fire rated and around 40mm thick. For Walthamstow properties where deepening the rafters is impractical, this is what makes the numbers work.
North East London loft specialists
Loft insulation in Walthamstow
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. Walthamstow homes get a free survey, a fixed price and work carried out to current recommended standards.
Free survey in Walthamstow
Fixed written price
No call-out charge
Why it matters
The case for insulating your Walthamstow 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 Walthamstow property it is the largest single heat loss and the smallest single bill to fix it.
Walthamstow's homes
The character of Walthamstow roofs
Walthamstow is a good illustration of how North East London was built. The stock here runs to long Victorian terraces, interwar cottage estates and blocks of post-war housing, and the roofs are predominantly continuous pitched roofs running across whole terraces, often with the party walls stopping short of the underside. Within a single street you can find a loft you can stand up and walk around in, and one three doors along where the only sensible approach is to work on your knees.
That variation is exactly why we survey before quoting. Two lofts of identical floor area can differ by a substantial margin in price because one has 150mm joists and a wide hatch, and the other has shallow, irregular timbers, a 400mm opening and a cold water tank sitting in the middle of the run.
Locally, where a party wall does not reach the roof line, insulation and fire separation both need thinking about at the same time — worth knowing before you compare quotes.
Our services in Walthamstow
Five ways we keep Walthamstow 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 depthThe standard job, done to standard: two layers, the second laid across the joists to kill the cold bridge, eaves left clear. Most Walthamstow lofts are finished in half a day.
Loft boarding
Storage-readyTongue-and-groove panels, screwed rather than nailed so they lift again if a cable needs reaching — raised clear of the insulation throughout.
Loft ladders
Fitted in a dayMany older Walthamstow 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-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 Walthamstow 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.
In the loft
Loft work in and around Walthamstow
Examples of the work we carry out across the area — insulation, boarding, access and full makeovers.
Questions & answers
Walthamstow loft insulation — common questions
Can I still use my Walthamstow 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.
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.
Do you offer free surveys in Walthamstow?
Yes. Every enquiry from Walthamstow and the surrounding area starts with a free, no-obligation visit. We measure the loft, check the joists and ventilation, and write a fixed price afterwards. There is no call-out charge whether you proceed or not.
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 Walthamstow loft, we deal with the cause first rather than insulating over it.
Do you remove the old insulation?
Only when it needs to go. Sound, dry wool can be topped over, which saves you the removal cost. Material that is damp, vermin-fouled or collapsed does come out, and we bag it and take it away. Which applies to your Walthamstow loft is established at survey and priced separately.
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 Walthamstow 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 Walthamstow 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 Walthamstow home?
Book a free, no-obligation survey of your Walthamstow loft and get a fixed price in writing before you decide anything.