Transform Your Chiswick Home with a Premium House Extension
Looking to create more space in your Chiswick property without the hassle of moving? At CREST PROJECTS, we specialise in high-quality house extensions in Chiswick that blend seamlessly with your home’s architecture while adding significant value. Whether you dream of a spacious kitchen-diner, a luxurious master suite, or a bright home office, our expert team delivers stunning results tailored to your needs.
Why Choose CREST PROJECTS for Your Chiswick House Extension?
✅ Local Chiswick Experts – We understand the area’s unique architecture and planning requirements
✅ Bespoke Designs – Tailored solutions to match your home’s style
✅ Premium Craftsmanship – High-quality materials and skilled tradespeople
✅ Full Project Management – We handle everything from planning to completion
✅ Transparent Pricing – No hidden costs, just honest quotes
✅ 5-Year Workmanship Guarantee – Peace of mind on every project
Popular House Extension Options in Chiswick
1. Rear Extensions (£35,000 – £75,000)
- Ideal for creating open-plan kitchen-diners
- Typically extend 3-6m into your garden
- Perfect for entertaining and family life
2. Side Return Extensions (£25,000 – £55,000)
- Maximises unused space in Victorian/Edwardian homes
- Creates brighter, more functional kitchens
- Cost-effective way to add valuable square footage
3. Wrap-Around Extensions (£60,000 – £120,000)
- Combines rear and side extensions
- Ideal for complete home transformations
- Adds significant property value
4. Double-Storey Extensions (£80,000 – £150,000+)
- Doubles your living space with upstairs bedrooms/bathrooms
- Great solution for growing families
- Requires careful structural planning
Planning Permission in Chiswick
Most single-storey extensions in Chiswick fall under Permitted Development Rights, meaning:
✔ No planning permission needed if:
- Extension doesn’t exceed 4m (detached) or 3m (other)
- Total extension (including previous ones) ≤ 50% of garden
- Height remains below 4m
⚠ You’ll always need:
- Building Regulations approval
- Party Wall Agreement (if applicable)
Exceptions needing planning permission:
- Listed buildings
- Homes in conservation areas
- Properties with previous extensions
Why Chiswick Homeowners Choose Us
🔹 10+ Years of Local Experience – We know Chiswick’s architecture inside out
🔹 Quality Materials – From structural work to final finishes
🔹 Minimal Disruption – We keep your home livable during works
🔹 Fixed-Price Contracts – No surprise costs
🔹 Sustainable Building Practices – Energy-efficient solutions
Frequently Asked Questions
1. How much value does an extension add in Chiswick?
Typically 10-20%, depending on quality and design.
2. How long does an extension take to build?
- Single-storey: 8-12 weeks
- Double-storey: 14-20 weeks
3. Can I stay in my home during construction?
Yes! We plan works carefully to minimise disruption.
4. What’s the first step?
Contact us for a free consultation to discuss your vision.
Ready to Extend Your Chiswick Home?
As specialists in house extensions in Chiswick, CREST PROJECTS combines local expertise with premium craftsmanship to deliver exceptional results.
📞 Call 020 8088 8281 for your free quote today!
