Extension Builders in Exeter
RC-Builders Ltd are experienced, family-run extension builders in Exeter. We specialise in single-storey, double-storey and wraparound home extensions — transforming Exeter homes without the hassle and cost of moving.
Home Extension Types We Build in Exeter
Whether you need a modest kitchen extension or a transformative double-storey addition, we have the expertise to deliver across all of Exeter.
Single-Storey Extensions Exeter
The most popular choice for Exeter homeowners. Ideal for expanding your kitchen, adding a dining room or creating a utility space. Single-storey extensions are cost-effective and often fall under Permitted Development rights — so no planning permission needed.
Exeter's Trusted Extension Builders
RC-Builders Ltd is based in Honiton, just 17 miles from Exeter — meaning we're fast to respond, familiar with Exeter planning requirements, and a consistent presence across the city. As a family-run business, we guarantee the highest standards on every extension project.
- Family-run, father-and-son building contractor
- 40+ years of combined building experience
- All trades in-house — no subcontractor delays
- Fixed-price contracts — no surprise costs
- Free, no-obligation site visits & estimates
- Fully insured — public liability & employer’s liability
- Clean, respectful sites throughout your project
Typical Extension Costs in Exeter
Prices are estimates. Contact us for a free, accurate quote for your Exeter project.
Areas of Exeter We Cover for Extensions
We build home extensions across all parts of Exeter city and its surrounding suburbs.
Home Extension FAQs for Exeter
Do I need planning permission for a home extension in Exeter?
Many single-storey rear extensions in Exeter fall under Permitted Development rights and don't require full planning permission. However, this depends on the size, your property type and location. We advise you on this at the free estimate stage and handle any applications needed.
How much does a home extension cost in Exeter?
Single-storey extensions in Exeter typically start from £50,000–£90,000. Double-storey extensions range from £90,000–£160,000+. Costs vary based on size, specification and finish. We provide a detailed, fixed-price quote after a free site visit.
How long does a home extension take to build in Exeter?
A single-storey extension in Exeter typically takes 8–12 weeks to build. Double-storey extensions take 12–16 weeks. We give you a detailed programme at the start and keep you updated throughout.
Are RC-Builders local to Exeter?
Yes — RC-Builders Ltd is based in Honiton, just 17 miles from Exeter city centre. We regularly work across all areas of Exeter and are a familiar face in the local building trade.