SK Developments Free home visit0800 088 6248 Get a quote

East SussexHip-to-gable loft conversions

Hip-to-gable loft conversions in Uckfield

Looking for a builder for a hip-to-gable loft conversion in Uckfield? We design and build hip-to-gable loft conversions across East Sussex, covering postcodes such as TN22.

Guide price in Uckfield

£61,500–£87,500 for a hip-to-gable with rear dormer

In Uckfield, a hip-to-gable loft conversion typically costs £61,500–£87,500 for a hip-to-gable with rear dormer, including VAT at 20% (standard rate).

Book a free home visit

Tell us about your project. We reply to arrange a visit and a fixed quote.

Free home visit and measured survey
Fixed price for the agreed specification
Drawings, approvals and build in one contract
Building control sign-off arranged
England, Wales, Scotland and Northern Ireland

What is a hip-to-gable loft conversion?

Semi-detached house with a rendered gable end and new clay roof tiles after a hip-to-gable conversion

A hip-to-gable loft conversion replaces the sloping side (the hip) of a semi-detached or detached roof with a vertical gable wall. This extends the ridge and creates enough space for a staircase and a full-size room, usually combined with a rear dormer.

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

In Uckfield, a hip-to-gable loft conversion typically costs £61,500–£87,500 for a hip-to-gable with rear dormer, including VAT at 20% (standard rate). The guide for Uckfield reflects typical costs in the South East, roughly 12% above the UK-wide figure. Design, structural calculations and council fees are extra.

Guide prices for Uckfield, including VAT at 20% (standard rate)
Size or typeGuide range
A hip-to-gable with rear dormer£61,500–£87,500
Higher specification£87,500–£109,500

Your quote will depend mainly on:

  • Size of the rear dormer
  • Staircase design
  • Scaffolding to three sides
  • Bathroom and plumbing

A guide range is only a starting point: the guide price tool gives an instant figure for your size, and a free survey turns it into a fixed quote.

Do you need planning permission for a hip-to-gable loft conversion in Uckfield?

Whether you need planning permission depends on your house and its location in England. In England a hip-to-gable conversion is often permitted development within the 50 cubic metre roof volume limit for semi-detached and detached houses, provided the gable does not face a road and the house is not in a conservation area.

Building regulations approval comes from the council’s building control service or a registered building control approver. The work is inspected at key stages, such as foundations, drainage and insulation, and a completion certificate is issued at the end.

At the survey we check your house’s planning history and any restrictions, and tell you which route applies.

What we handle

From survey to sign-off, the job normally involves:

  • Drawings and structural calculations
  • Building control sign-off
  • Insulation, electrics, plumbing and plastering
  • Staircase and fire-safe escape route
  • Steel beams and floor joists
  • Survey and planning check

How long does it take?

Allow 7 to 10 weeks on site. Before that, surveys, drawings and approvals usually take 6 to 12 weeks, longer if the council asks for changes.

Building in Uckfield

Commuter towns across the South East have many 1930s and post-war semis that suit rear extensions and hip-to-gable loft conversions.

From TN22 outwards, we take on projects throughout Uckfield and the surrounding parts of East Sussex.

How it works

  1. 01

    Visit and measured survey

    A free visit to understand the project, check access and take measurements.

  2. 02

    Drawings and written quote

    We prepare the design and give you a written, itemised quote with inclusions and exclusions.

  3. 03

    Approvals in place

    We handle planning, building control and neighbour notices before work starts.

  4. 04

    Construction and completion

    We build, put right any snags and hand over the building control certificate.

Questions about hip-to-gable loft conversions in Uckfield

Can the gable be brick?

Yes. We match the existing finish, whether brick, render or pebbledash.

Who approves a hip-to-gable loft conversion in Uckfield?

Planning matters in Uckfield go to the council covering your address, and the work needs building control approval. We prepare and submit the applications for you.

Will I need building regulations approval?

Yes. All loft conversions to habitable rooms need building control approval for structure, fire safety, insulation and stairs.

Will it look strange next to my neighbour?

On a pair of semis the roofs will no longer match unless your neighbour does the same. Many streets already have several converted roofs.

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

In Uckfield, a hip-to-gable loft conversion typically costs £61,500–£87,500 for a hip-to-gable with rear dormer, including VAT at 20% (standard rate). Your fixed price depends on the survey and drawings.

Start with a guide price, then book a free survey for a fixed quote in Uckfield.

Call 0800 088 6248 or get an instant guide price online.

Call 0800 088 6248Get a guide price