Covering Llangefni
Alongside Llangefni, we also cover Bangor, Caernarfon (8 miles to the south) and Holyhead.
Homes in Gwynedd and Anglesey
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.
Which projects do we build in Llangefni?
Extensions
- Single-storey extensions in Llangefni
- Double-storey extensions in Llangefni
- Side return extensions in Llangefni
- Wraparound extensions in Llangefni
- Kitchen extensions in Llangefni
- Orangeries in Llangefni
- Porches in Llangefni
- Garden annexes in Llangefni
Lofts and upward extensions
- Loft conversions in Llangefni
- Dormer loft conversions in Llangefni
- Hip-to-gable loft conversions in Llangefni
- Mansard loft conversions in Llangefni
- Bungalow and upward extensions in Llangefni
Conversions
- Garage conversions in Llangefni
- Basement and cellar conversions in Llangefni
- House-to-flat conversions in Llangefni
New builds and renovation
- New-build homes in Llangefni
- Knock down and rebuild in Llangefni
- House renovations in Llangefni
- Structural alterations in Llangefni
- Re-roofing in Llangefni
Design, kitchens and bathrooms
- Architectural design and planning in Llangefni
- Kitchen installation in Llangefni
- Bathrooms and en-suites in Llangefni
How is building work approved in Llangefni?
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.
What does a project cost in Llangefni?
These are UK-wide guide ranges, including VAT where it applies. The price for a project in Llangefni is fixed in writing once the design and specification are agreed.
| Project | Typical guide price |
|---|---|
| Single-storey extensions | £2,600 to £4,000 per m² |
| Double-storey extensions | £2,400 to £3,850 per m² |
| Kitchen extensions | £2,600 to £4,000 per m², plus the kitchen |
| Loft conversions | £30,000 to £110,000 |
| Dormer loft conversions | £50,000 to £90,000 |
| Garage conversions | £12,000 to £54,000 |
| House renovations | £600 to £2,800 per m² |
| New-build homes | £2,000 to £3,600 per m² |
Questions from Llangefni homeowners
Do you cover Llangefni?
Yes. We design and build extensions, loft conversions, conversions and new homes in Llangefni and across Gwynedd and Anglesey.
How do I get a quote in Llangefni?
Use the guide price tool or the form, or call 0800 088 6341. We then arrange a free site visit, and fix the price in writing once the design and specification are agreed.
Can I live at home during a project in Llangefni?
For most extensions and loft conversions, yes. For whole-house renovations and rebuilds, most people move out for part of the work.

