Covering Derry
We work in Derry (BT47) and the places around it, including Strabane, Limavady and Coleraine.
Homes in County Londonderry
Across Northern Ireland you find city terraces, suburban semis and rural bungalows and farmhouses, so the right approach depends on the plot and the planning history.
Which projects do we build in Derry?
Extensions
- Single-storey extensions in Derry
- Double-storey extensions in Derry
- Side return extensions in Derry
- Wraparound extensions in Derry
- Kitchen extensions in Derry
- Orangeries in Derry
- Porches in Derry
- Garden annexes in Derry
Lofts and upward extensions
- Loft conversions in Derry
- Dormer loft conversions in Derry
- Hip-to-gable loft conversions in Derry
- Mansard loft conversions in Derry
- Bungalow and upward extensions in Derry
Conversions
- Garage conversions in Derry
- Basement and cellar conversions in Derry
- House-to-flat conversions in Derry
New builds and renovation
- New-build homes in Derry
- Knock down and rebuild in Derry
- House renovations in Derry
- Structural alterations in Derry
- Re-roofing in Derry
Design, kitchens and bathrooms
- Architectural design and planning in Derry
- Kitchen installation in Derry
- Bathrooms and en-suites in Derry
How is building work approved in Derry?
Projects in Northern Ireland need planning clearance from one of the eleven councils and building control approval, also from the council. The Party Wall etc. Act does not extend to Northern Ireland, so work near neighbours is agreed directly and documented carefully.
What does a project cost in Derry?
These are UK-wide guide ranges, including VAT where it applies. The price for a project in Derry 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 Derry homeowners
Do you cover Derry?
Yes. We design and build extensions, loft conversions, conversions and new homes in Derry and across County Londonderry.
How do I get a quote in Derry?
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.
Do you handle the council paperwork for projects in Derry?
Yes. We prepare drawings, deal with planning or permitted development, apply for building control approval.

