Covering Dyfed
Our mansard loft conversions service in Dyfed covers Llanelli, Ammanford, Aberystwyth and Carmarthen and more.
Homes in Dyfed
Housing in Wales ranges from terraced streets in the valleys and older industrial towns to stone-built homes in rural areas and modern estates around the cities.
What is included in a mansard loft conversion in Dyfed?
Mansards are a bigger structural job than other conversions because the roof is largely rebuilt. They normally need planning permission, and many councils have design guides setting the angle, materials and window style. We prepare the design to those guides and build in slate, lead and timber or approved alternatives.
- Planning application to local design guidance
- Roof removal and new mansard frame
- Staircase, insulation and fit-out
What will a mansard loft conversion cost?
Use these ranges to budget for mansard loft conversions; the survey turns them into a fixed price for the agreed specification.
| Mansard loft conversions | Guide price incl. VAT |
|---|---|
| Rear mansard | £65,000 to £85,000 |
| Front and rear (double) mansard | £80,000 to £110,000 |
Planning and building rules in Dyfed
Welsh projects need planning clearance from the council under Welsh rules, building regulations approval under the Welsh approved documents, and party wall notices where the work affects a neighbour’s wall or foundations.
This needs full planning permission from your council in Wales. We prepare and submit the application and deal with the planning officer on your behalf.
What should I think about before starting?
- A mansard nearly always involves party walls on both sides of a terrace.
- Scaffolding and a temporary roof are usually needed.
What are the steps?
- Tell us about the project. Call, use the guide price tool or send the form with a few photos and a postcode.
- We visit and measure. A surveyor checks the house, the boundaries and the ground, and discusses what is realistic.
- Design and fixed price. You get drawings and a written price for the agreed specification before anything is ordered.
- Construction and completion. One site lead co-ordinates every trade through to the building control certificate.
Your questions answered
How long does a mansard take?
Around 10 to 14 weeks on site after planning approval.
Why choose a mansard over a dormer?
A mansard gives more usable space and often fits a street better where neighbours already have one.
Do you work in Dyfed?
Yes. Dyfed is within our coverage for mansard loft conversions, along with nearby Llanelli and Ammanford.
Also covering
- Mansard loft conversions in Llanelli
- Mansard loft conversions in Ammanford
- Mansard loft conversions in Aberystwyth
- Mansard loft conversions in Carmarthen
- Mansard loft conversions in Haverfordwest
- Mansard loft conversions in Pembroke Dock
- Mansard loft conversions in Cardigan
- Mansard loft conversions in Tenby
Learn more about mansard loft conversions, or see every project we cover in Dyfed.

