Covering Bangor, Gwynedd and Anglesey
Our coverage around Bangor, Gwynedd and Anglesey (LL57) also includes Llangefni, Caernarfon and Colwyn Bay.
Homes in Gwynedd and Anglesey
Welsh homes include long terraces built into hillsides, stone cottages and modern estates, and sloping sites often shape how and where an extension can go.
What is a hip-to-gable loft conversion?
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.
- Extended ridge and roof structure
- Staircase, insulation, plastering and electrics
- En-suite and fire-protected escape route
What will a hip-to-gable loft conversion cost?
Guide prices for hip-to-gable loft conversions, including VAT where it applies. Your fixed price is confirmed in writing after the survey.
| Hip-to-gable loft conversions | Guide 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 |
Do you need permission for a hip-to-gable loft conversion in Bangor, Gwynedd and Anglesey?
In Wales the planning rules, including what counts as permitted development, are set by the Welsh Government, and Welsh building regulations differ in places from England’s. We check both against your house before drawings are finalised, and handle party wall notices where needed.
Wales has its own loft and roof permitted development rules.
What can change the price or programme?
- Matching old clay tiles can be difficult; reclaimed tiles are often used.
- The new gable is usually rendered or built in matching brick.
How does the project run?
- Start with a conversation. A short call or the online form is enough for us to understand what you want to build.
- Survey at your house. We look at the existing structure, services and access, and agree what the design needs to achieve.
- Design and fixed price. You get drawings and a written price for the agreed specification before anything is ordered.
- We build it. Work follows an agreed programme, with inspections at each stage and a final sign-off.
Hip-to-gable loft conversions: common questions
Will the roof tiles match?
We match the tiles as closely as possible, using reclaimed tiles where the originals are no longer made.
Can a bungalow have a hip-to-gable conversion?
Yes, often combined with dormers to create a chalet-style first floor.
Who deals with the council for a project in Bangor, Gwynedd and Anglesey?
We do. We prepare the drawings, submit planning or permitted development paperwork if needed, and arrange building control inspections.
Hip-to-gable loft conversions near Bangor, Gwynedd and Anglesey
- Hip-to-gable loft conversions in Llangefni
- Hip-to-gable loft conversions in Caernarfon
- Hip-to-gable loft conversions in Colwyn Bay
- Hip-to-gable loft conversions in Holyhead
Learn more about hip-to-gable loft conversions, or see every project we cover in Bangor.