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Flat roof extensions across Newton Abbot

If you live in Newton Abbot and want more space without moving, a flat roof extension is one of the most practical ways to get it. We handle the drawings, approvals and the build.

  • Guide price in Newton AbbotFrom £21,000 inc VAT
  • PlanningOften permitted development (3–4 m), or prior approval up to 6–8 m
  • Build time10–16 weeks on site
  • Postcode districtsTQ12
Flat roof of an extension with a membrane finish, a roof lantern and flat rooflights

What we take care of

  • Membrane choice: single-ply, EPDM or GRP
  • Falls and outlets designed to drain properly
  • Parapets or edge trims and flashings to the house
  • Lanterns or rooflights with upstands
  • Warm-roof design with insulation above the deck

Guide prices for Newton Abbot

Prices below are for Newton Abbot, using the South West England factor of ×1.02. They are guide ranges including VAT for the build only, not a quote.

Typical rates in Newton Abbot: £1,780 to £3,420 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
3 m × 4 m
12 m²
£21,000 – £25,500£25,000 – £32,000£31,500 – £41,500
4 m × 5 m
20 m²
£35,500 – £42,000£41,500 – £53,500£53,000 – £68,500
5 m × 6 m
30 m²
£53,500 – £63,000£62,500 – £80,000£79,500 – £103,000

Want a range for your exact size? The guide-price tool takes about a minute.

Covering Newton Abbot

Site visits are available across Newton Abbot (TQ12). We also work in nearby Torquay (6 miles), Paignton (7 miles), Exmouth (11 miles), Exeter (14 miles).

Launceston, in Cornwall, is roughly 35 miles from Newton Abbot and also on our list. South West homes range from terraced streets in the cities to stone cottages and bungalows in the countryside, and conservation areas are common in historic centres.

Do I need planning permission in Newton Abbot?

In England a single-storey rear extension can usually go up to 3 m beyond the original rear wall of a semi-detached or terraced house, or 4 m on a detached house, without a planning application, provided it is no more than 4 m high, keeps eaves to 3 m within 2 m of a boundary and, with other buildings, covers no more than half the land around the original house. The larger home extension prior approval scheme raises those depths to 6 m and 8 m, with neighbours notified and a 42-day decision.

Before any drawing is finalised we check whether the house is listed, in a conservation area or subject to an Article 4 direction.

Building over or within 3 m of a public sewer needs the water company's consent, usually through a build-over agreement, before the foundations go in.

Building regulations approval is separate from planning. In England you can use the council's building control team or a registered building control approver; a full plans application gets the drawings checked before work starts, and the inspector signs the work off with a completion certificate.

Applications are decided by the local planning authority (your district, borough or unitary council).

How the project works

Site visits are free and there is no obligation. Where drawings are needed, the design stage is priced in writing before it starts.

  1. Free site visit

    We visit your Newton Abbot home, measure up, talk through what you want and check the planning position.

  2. Design and approvals

    We produce the drawings and structural design, and manage the approvals so they are in place before work starts.

  3. Fixed written price

    With the design and specification agreed, you get a fixed written price and a start date.

  4. Build and sign-off

    We build it with one project manager, book the building control inspections and hand over the completion certificate.

Flat roof extension questions answered

Who do I contract with for a flat roof extension in Newton Abbot?

Your contract is with S&K Property Investments and Improvement Ltd, which designs and manages the project and the build teams who carry it out.

How long does a flat roof extension take to build in Newton Abbot?

On site, typically 10 to 16 weeks once approvals are in place. Before that, allow 4–12 weeks design and approvals.

Will my neighbours in Newton Abbot be involved?

If a planning application or prior approval is needed, the council notifies neighbours. If the work is on or near a shared boundary, party wall notices may also be needed.

Are flat roof extensions cheaper?

Usually slightly, because there is less roof structure and no tiles. Our guide range is about £1,780 to £3,420 per m² including VAT.

Can I walk on a flat roof extension?

Only for maintenance unless it is designed as a terrace. A roof terrace or balcony needs planning permission and a different structure.

Book a free site visit in Newton Abbot

We will measure up, check the planning position and give you honest guide figures.

  • Free, no-obligation site visit
  • Planning route checked before you spend on drawings
  • Written price once the design is agreed
  • Building control sign-off at the end

Prefer to talk? Call 0800 088 6341 or .

Book a free site visit

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