Hip-to-gable loft conversions · Towcester

Hip-to-gable loft conversions in Towcester

Hip-to-gable loft conversions for homes in Towcester and the surrounding parts of Northamptonshire, designed around your house and built by our teams under a single written contract.

Covering Towcester

Our coverage around Towcester (NN12) also includes Northampton (9 miles to the north-east) and Buckingham.

Homes in the East Midlands

Across the East Midlands you find everything from city terraces to modern estates and stone villages, so the right extension depends a lot on the street and the materials around it.

What is included in a hip-to-gable loft conversion in Towcester?

A hip-to-gable loft conversion rebuilds the sloping side (the hip) of a semi-detached or detached house roof as a vertical gable wall, extending the ridge and creating enough space for a staircase and rooms. It is usually combined with a rear dormer.

  • Gable wall build in brick, block or render
  • Extended ridge and roof structure
  • Staircase, insulation, plastering and electrics

How much does a hip-to-gable loft conversion cost in Towcester?

Indicative costs for hip-to-gable loft conversions. London and the South East usually sit towards the top of each range.

Hip-to-gable loft conversionsGuide price incl. VAT
Hip-to-gable with rear dormer£60,000 to £80,000
Double hip-to-gable (detached house)£70,000 to £95,000

How is a hip-to-gable loft conversion approved in Towcester?

In England we deal with the council’s planning team for permission or a lawful development certificate, with building control (the council or a registered building control approver) for inspections, and with neighbours under the Party Wall etc. Act 1996 where it applies.

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 can affect a hip-to-gable loft conversion?

  • Hip-to-gable volume counts towards the permitted development allowance.
  • Scaffolding goes up on the side of the house, which may need a neighbour’s agreement.

What are the steps?

  1. Start with a conversation. A short call or the online form is enough for us to understand what you want to build.
  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. Construction and completion. One site lead co-ordinates every trade through to the building control certificate.

Your questions answered

How much does a hip-to-gable loft conversion cost?

Usually £60,000 to £80,000 including VAT with a rear dormer, more on a detached house with two hips.

Does a hip-to-gable need planning permission?

In England it is often permitted development if the total extra volume stays within 50 m³ for a semi or detached house.

Do you work in Towcester?

Yes. Towcester is within our coverage for hip-to-gable loft conversions, along with nearby Northampton and Buckingham.

Hip-to-gable loft conversions in nearby towns

Learn more about hip-to-gable loft conversions, or see every project we cover in Towcester.

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