When you need extra bedrooms, an office, or more downstairs living space, a double storey home extension gives you the biggest impact for your investment.

At Stay Dry Extensions, we design and build multi-storey extensions that blend seamlessly with your existing home — adding functionality, character, and long-term value.

• ✅ Add up to 35% to your home’s value

• ✅ Maximise both upstairs and downstairs living space

• ✅ Cost-efficient — same foundation & roof for two floors

• ✅ We handle planning permission and building regs

Our team understands local planning restrictions, conservation rules, and architectural styles across Oxfordshire and Buckinghamshire. We design builds that complement your home and comply with council requirements.

• North Oxford — period property extended with two bedrooms & ensuite

• Thame & Witney — double storey rear extensions for growing families

• Beaconsfield & Gerrards Cross — luxury multi-storey builds with bespoke glazing