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Hip to Gable Loft Conversions

Transform your semi-detached or detached Bristol home with a hip to gable conversion. Replace the sloping hip end of your roof with a vertical gable wall to dramatically increase your loft space.

Hip to Gable Conversions in Bristol

Many Bristol semi-detached and detached homes — particularly those built in the 1930s to 1960s in areas like Henleaze, Westbury-on-Trym, Horfield, and Stoke Bishop — have hipped roofs. A hipped roof slopes on all four sides, which severely limits the usable floor space in the loft.

A hip to gable conversion solves this problem by removing the sloping hip end and replacing it with a vertical gable wall, extending the ridge of the roof to the end of the property. This can increase the usable loft floor area by up to 50%, transforming what was previously a cramped, unusable space into a full-height room.

  • Dramatically increases usable loft floor space
  • Creates full-height vertical walls on the gable end
  • Can be combined with a rear dormer for maximum space
  • Ideal for semi-detached homes in Henleaze, Westbury-on-Trym, and Stoke Bishop
  • Adds 20–25% to the value of your Bristol home
  • Planning permission usually required — we handle the application
Hip to gable loft conversion Bristol before and after

How We Complete Your Hip to Gable Conversion

01

Free Survey

We visit your Bristol home, assess your roof structure, and advise on the best conversion approach for your property type.

02

Planning & Design

Our architects prepare detailed drawings and handle the planning permission application and building regulations submission.

03

Structural Works

We remove the hip end, construct the new gable wall, and extend the ridge — all completed by our experienced Bristol team.

04

Fit-Out & Handover

We complete the internal fit-out to your specification, including flooring, electrics, plumbing, and decoration.

Hip to Gable Conversion Costs

The cost of a hip to gable conversion in Bristol depends on the size of your property, whether it is combined with a rear dormer, and the specification of the internal fit-out.

Hip to Gable only (no dormer)£40,000 – £48,000
Hip to Gable + Rear Dormer£52,000 – £65,000
Hip to Gable + Dormer + En-Suite£60,000 – £75,000

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Hip to Gable Conversion FAQs

What is a hip to gable loft conversion?

A hip to gable conversion involves replacing the sloping 'hip' end of your roof with a vertical 'gable' wall. This extends the ridge of the roof to the end of the property, creating significantly more usable floor space in the loft. It is typically combined with a rear dormer to maximise the usable area.

Does a hip to gable conversion need planning permission in Bristol?

Hip to gable conversions on semi-detached and detached properties often fall under Permitted Development rights in Bristol, meaning no planning application is required. However, if your property is in a conservation area or the works exceed permitted development limits, planning permission will be needed. We assess this during your free survey.

How much does a hip to gable conversion cost in Bristol?

A hip to gable loft conversion in Bristol typically costs between £40,000 and £65,000, depending on whether it is combined with a rear dormer and the level of finish. We provide fixed-price quotes following a free home survey.

How long does a hip to gable conversion take?

A hip to gable loft conversion in Bristol typically takes 10–14 weeks from start to finish, depending on the complexity of the works and whether planning permission is required.