New roof installation Wembley: here’s how to tell whether your 1930s semi needs a full replacement. And what a new flat roof on an extension involves. Wembley’s housing stock is dominated by the semi-detached and terraced homes built through the 1920s and ’30s as the Metropolitan line pushed development out from London. And a lot of those original roofs are now well past the point where another patch repair makes sense. M.K & Sons Roofing Ltd installs pitched and flat roofs across Wembley (HA0, HA9) and the surrounding area, backed by a free survey and a written, no-obligation quote. Here’s what a new roof involves for Wembley’s two most common property types: the inter-war semi. And the newer rear extension.
New Roof Installation Wembley: When a 1930s Semi Reaches the End
A tiled pitched roof from the interwar building boom typically lasts 40–60 years with reasonable maintenance — which means a large share of Wembley’s original roofs are now at or past that point. The tell-tale signs are the same ones worth checking before you call anyone out:
- Tiles that have gone porous, cracked or lost their surface finish across large areas, not just one or two spots
- Sagging ridgelines or roof planes that don’t look straight from the street
- Recurring leaks that move to a new spot every time the last one’s fixed
- A loft that feels damp or smells musty after rain, even with no visible drip
Where the roof is sound but individual elements have failed — a valley, a chimney flashing, a run of ridge tiles — a repair is the right and cheaper answer. Where the covering itself is failing across the roof, replacement is the honest recommendation. And we’ll say so plainly on the survey rather than stringing out repairs that won’t hold.
The modern extension: flat roofs done properly
Wembley has seen a steady run of rear extensions and loft conversions over the last two decades, and most of them carry a flat roof — garage conversions, kitchen extensions, dormer loft conversions. These fail differently to a pitched tile roof: pooling water, blistering. And failed edge detailing at the upstands are the usual culprits, usually well before the whole roof needs replacing. We install EPDM rubber (single seamless membrane, generally the longest-lasting flat roofing option), GRP fibreglass, and felt systems, matched to the roof’s size, use and your budget — and we’ll tell you honestly if what you’ve got can still be repaired rather than replaced outright.
New Roof Installation Wembley: What the Process Involves
- Free survey of the existing roof, structure and access — a proper look, not a quote from a photo.
- Written, itemised quote covering materials, labour and access as one figure agreed upfront.
- Installation, with the old covering stripped, structure checked, and the new system fitted with correct ventilation and weatherproofing.
- Final inspection and clean-up, with the work fully guaranteed and the site left tidy.
A typical pitched re-roof on a Wembley semi runs three to seven days. A flat roof replacement on an extension is usually quicker, often one to three days depending on size and access.
Planning permission in Wembley
Like-for-like replacement, keeping the same roof shape and similar materials, generally doesn’t need planning permission. It’s a different question if you’re changing the roof profile, adding dormers, or the property has any local designation — Brent Council’s planning pages are the authority for anything specific to your street, and we’ll flag it during the survey if your job looks like it needs checking.
Common questions before you commit
How much does a new roof cost in Wembley? It depends on the roof’s size, pitch, material and access. Which is why we quote after a free survey rather than publishing a generic price list. You’ll get a written, itemised figure before you decide anything.
How can you tell a dodgy roofer? Check for a real company registration and public liability insurance, get a written quote rather than a verbal one, be wary of anyone demanding a large cash deposit upfront. And ask to see completed local work rather than relying on stock photography.
Can I get a government grant for a new roof? There’s no general UK grant for a straightforward like-for-like replacement. Where insulation is being upgraded alongside a re-roof, schemes like ECO4 or the Great British Insulation Scheme may help with the insulation element for eligible households — check current eligibility on GOV.UK rather than taking a contractor’s word for it.
Covering a job further into town? See our guide to new roof installation in Croydon for how the process compares.
Covering a job further into town? See our guide to new roof installation in Croydon for how the process compares.
Get Your New Roof Installation Wembley Survey, Free
If your roof’s showing its age — tired tiles, a flat roof that’s had one too many patches, or you’re just not sure whether it’s a repair or a replacement — a survey costs nothing. Call 07720 607862 or email info@mkandsonsroofinglimited.co.uk.