Covering Seaham
We work in Seaham (SR7) and the places around it, including Houghton-le-Spring, Sunderland and Washington.
Homes in the North East
Housing across the North East ranges from colliery terraces and Tyneside flats to suburban semis and modern estates, each with different options for extending.
Which projects do we build in Seaham?
Extensions
- Single-storey extensions in Seaham
- Double-storey extensions in Seaham
- Side return extensions in Seaham
- Wraparound extensions in Seaham
- Kitchen extensions in Seaham
- Orangeries in Seaham
- Porches in Seaham
- Garden annexes in Seaham
Lofts and upward extensions
- Loft conversions in Seaham
- Dormer loft conversions in Seaham
- Hip-to-gable loft conversions in Seaham
- Mansard loft conversions in Seaham
- Bungalow and upward extensions in Seaham
Conversions
- Garage conversions in Seaham
- Basement and cellar conversions in Seaham
- House-to-flat conversions in Seaham
New builds and renovation
- New-build homes in Seaham
- Knock down and rebuild in Seaham
- House renovations in Seaham
- Structural alterations in Seaham
- Re-roofing in Seaham
Design, kitchens and bathrooms
- Architectural design and planning in Seaham
- Kitchen installation in Seaham
- Bathrooms and en-suites in Seaham
How is building work approved in Seaham?
Projects in England go through two separate checks. Planning (or confirmation that the work is permitted development) comes from the district, borough or unitary council, and building regulations approval comes from the council’s building control team or a registered building control approver. Where work touches a shared wall or digs near a neighbour’s foundations, the Party Wall etc. Act 1996 applies.
What does a project cost in Seaham?
These are UK-wide guide ranges, including VAT where it applies. The price for a project in Seaham 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 Seaham homeowners
Do you cover Seaham?
Yes. We design and build extensions, loft conversions, conversions and new homes in Seaham and across County Durham.
How do I get a quote in Seaham?
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 Seaham?
Yes. We prepare drawings, deal with planning or permitted development, apply for building control approval and serve party wall notices where they apply.

