Whickham at a glance
- Postcode districts
- NE16
- Population
- about 16,625 (GeoNames)
- Council area
- Gateshead Council
- Building approval
- Gateshead Council building control, or a registered building control approver
- Nearest main town
- Newcastle upon Tyne, about 3 miles
- Guide price region
- North East (−7% on West Midlands rates)
Why upgrade to a warm roof in Whickham?
Small commercial buildings in Whickham with large flat roofs can lose a lot of heat through them. Where the roof is being replaced, upgrading the insulation at the same time is required in most cases and helps reduce running costs for the occupier.
In and around Whickham, flat roofs are typically found on newer estates where the first extension roofs are now being replaced, and on bungalows with flat-roofed side extensions and dormers. England averages roughly 870 mm of rain a year; the North East is drier than the west but cold and windy near the coast, so wind uplift and freeze-thaw are in the specification.
How much does a warm roof upgrade cost in Whickham?
Guide price in Whickham: £2,600–£4,550 for a 20 m² extension roof in EPDM with a new deck and insulation, including VAT at North East rates. The fixed price comes after a free survey for new and replacement roofs.
| Job | Guide price inc VAT |
|---|---|
| Extension (20 m²), EPDM, new deck + insulation | £2,600–£4,550 |
| Extension (20 m²), EPDM with sedum green roof | £4,100–£7,500 |
Will insulating the roof raise its height, and what about doors and upstands?
Yes. A warm roof makes the roof thicker, often by more than 100 mm depending on the insulation and the U-value target. That extra height is the main thing we plan around.
Waterproofing at a wall usually needs to rise about 150 mm above the finished roof surface, so if the roof gets higher, the upstand has to go higher too. That can be a problem where the roof meets a door threshold, a low window sill, a cavity tray or a rooflight kerb. At the edges, trims and fascias are reset to the new level, and gutters may need to move.
Where there isn't enough height, the options include using thinner, higher-performance insulation, lowering the deck where the structure allows, raising the sill or threshold, or, where it is genuinely not feasible to reach the full target, insulating as far as is reasonable and recording why with building control. We work this out at the survey so there are no surprises on the day.
What's included?
- Upstands, trims and kerbs reset to the new roof level
- Vapour control layer on the warm side of the insulation
- Building control or building standards handled where needed
- Rigid insulation boards sized to the U-value target
Building regulations in England
Replacing more than half of a flat roof over a heated room usually counts as renovating a thermal element, so the roof is insulated to around 0.16 W/m²K where that's technically and economically feasible, and the work is notified to building control: the council or a registered building control approver, unless a registered competent person self-certifies it. A roof on a new extension is built to 0.15 W/m²K. Patch repairs, and most unheated detached garages, don't trigger the upgrade. Structural changes, or a new covering that adds 15% or more to the roof's weight, also need approval. More on the rules.
Which nearby areas do we also cover?
- Blaydon-on-Tyne · 2 mi
- Newcastle upon Tyne · 3 mi
- Newburn · 4 mi
- Felling · 4 mi
- Gosforth · 4 mi
- Stanley · 5 mi
Warm roof insulation upgrades in Whickham: questions
Do you cover Whickham?
Yes. Whickham is part of our Tyne and Wear coverage, including postcode districts NE16. Surveys and roofs are carried out by vetted roofing teams working under S&K Property Investments and Improvement Ltd.
Who checks building regulations for a flat roof in Whickham?
Where the work needs approval it goes to Gateshead Council building control, or a registered building control approver. We tell you at the survey whether your job needs it and deal with the paperwork as part of the quote.
How much does a warm roof upgrade cost in Whickham?
£2,600–£4,550 for a 20 m² extension roof in EPDM with a new deck and insulation, at North East guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.
Does a warm roof stop condensation?
It greatly reduces the risk by keeping the deck warm and placing a vapour control layer on the warm side. Good ventilation in kitchens and bathrooms below still helps.
Is there VAT relief on flat roof insulation?
Don't count on it. Insulation fitted as part of a roof replacement is usually treated as part of a single standard-rated job. Check your own case with HMRC guidance or an adviser.