Bristol's Expert Loft Conversion Team — Trusted Since 2024
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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.
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.

We visit your Bristol home, assess your roof structure, and advise on the best conversion approach for your property type.
Our architects prepare detailed drawings and handle the planning permission application and building regulations submission.
We remove the hip end, construct the new gable wall, and extend the ridge — all completed by our experienced Bristol team.
We complete the internal fit-out to your specification, including flooring, electrics, plumbing, and decoration.
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.
Tell us about your Bristol home and we'll conduct a free survey within 48 hours.
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.
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.
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.
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.