Loft conversions · Peterborough

Loft conversions in Peterborough

Loft conversions for homes in Peterborough and the surrounding parts of Cambridgeshire, designed around your house and built by our teams under a single written contract.

Covering Peterborough

Alongside Peterborough, we also cover March (14 miles to the east), Spalding and Huntingdon.

Homes in the East of England

The East of England has a large stock of post-war and modern estate housing alongside period homes in market towns, which makes garage conversions, single-storey extensions and loft conversions popular.

What is a loft conversion?

We start with the head height. You need roughly 2.2 m or more from the top of the ceiling joists to the underside of the ridge for a conversion to work without raising the roof. From there we design the staircase position, the type of conversion and the en-suite, and manage the whole build including fire safety and building control.

  • Planning or lawful development certificate
  • Dormer or rooflights, insulation and plasterboard
  • En-suite, electrics, heating and fire safety upgrades

How much should I budget for a loft conversion?

Use these ranges to budget for loft conversions; the survey turns them into a fixed price for the agreed specification.

Loft conversionsGuide price incl. VAT
Rooflight conversion£30,000 to £45,000
Dormer conversion£50,000 to £90,000
Hip-to-gable with dormer£60,000 to £95,000
Mansard conversion£65,000 to £110,000

How is a loft conversion approved in Peterborough?

English projects need planning clearance from the local council, building regulations sign-off from building control, and party wall notices where the work is on or near a shared boundary. We prepare and manage all three.

In England many loft conversions are permitted development: the extra roof volume must stay within 40 m³ on a terraced house or 50 m³ on a semi or detached house, nothing can sit higher than the existing ridge, no dormer can face a road on the main elevation, and side windows must be obscure-glazed and non-opening below 1.7 m. Houses in conservation areas, National Parks and National Landscapes cannot use these roof-extension rights, so dormers there need planning permission (a rooflight-only conversion can still be permitted development), and flats always need permission.

What should Peterborough homeowners check first?

  • Head height under the ridge decides whether a conversion is practical.
  • The new staircase usually takes space from the landing or a bedroom below.

What are the steps?

  1. Send us the details. Give us a postcode, a rough idea of size and some photos, by phone, form or the guide price tool.
  2. Free site visit. We measure up, look at access, drains and the structure, and talk through options and budget.
  3. Price and paperwork. The design is priced line by line, and we submit the planning and building control applications.
  4. We build it. Work follows an agreed programme, with inspections at each stage and a final sign-off.

Your questions answered

Is my loft suitable for conversion?

If there is about 2.2 m or more from the top of the ceiling joists to the underside of the ridge, it usually is. We check this at the free site visit.

How long does a loft conversion take?

Usually 6 to 14 weeks on site depending on the type.

How do I get a price for loft conversions in Peterborough?

Use the guide price tool for a ballpark figure, then book a visit for a fixed written price for the agreed specification.

Other towns nearby

Learn more about loft conversions, or see every project we cover in Peterborough.

Planning an extension, loft or new home?

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