York, North Yorkshire
House Extensions in York
Expand your home without leaving what you love behind.
TYA Builds in York
Almost every project in York touches on heritage in some way. Our architects have experience working with City of York Council's conservation officers and delivering high-quality projects within the historic environment.
A well-designed house extension can transform how you live. Whether you need a larger kitchen, an extra bedroom, a home office, or simply more living space, TYA Builds designs and builds extensions that feel like they were always part of your home. Our architect-led approach means every extension is designed from first principles — not just bolted on. We handle planning permission, building regulations, structural engineering, and the full build, using our own in-house team throughout.
What's included
- ✓Full planning and design service included
- ✓In-house build team — no subcontractors
- ✓Single-storey, two-storey, side, rear and wrap-around options
- ✓Heritage and period properties welcome
- ✓Full project management from concept to handover
Frequently Asked Questions
Do I need planning permission for a house extension?
Many extensions fall under permitted development rights, meaning no planning application is needed. Our architects will advise you on this at your free initial consultation.
How long does a house extension take?
A typical single-storey extension takes 10–14 weeks on site, plus 4–8 weeks for design and planning. We'll give you a detailed programme before work starts.
How much does a house extension cost in Yorkshire?
Costs vary by size and specification, but a well-built single-storey extension typically starts from around £30,000–£50,000 in Yorkshire. We provide detailed fixed-price quotes.
Coverage across North Yorkshire
Based in Morley, Leeds, TYA Builds delivers house extensions projects across York and the surrounding North Yorkshire area including Harrogate, Selby, Malton, Scarborough.