House Extension Specialists | CREST PROJECTS | Transforming Homes Across London
Expert House Extension Specialists Creating Your Dream Space
As leading house extension specialists, CREST PROJECTS combines architectural vision with precision craftsmanship to deliver exceptional home extensions across London. Whether you’re looking to expand your kitchen, add a new bedroom suite, or create a seamless indoor-outdoor living space, our team brings 20+ years of specialist experience to every project.
Why Choose CREST PROJECTS as Your House Extension Specialists?
✅ Bespoke Design Solutions – Tailored to your home’s architecture and your lifestyle
✅ Full In-House Team – Architects, structural engineers, and master builders
✅ Premium Materials – From foundations to finishing touches
✅ Planning Permission Experts – We handle all approvals and regulations
✅ Fixed-Price Contracts – No hidden costs or surprises
✅ 5-Year Craftsmanship Guarantee – Peace of mind on your investment
Our Specialist Extension Services
1. Rear Extensions
- Single and double-storey options
- Open-plan kitchen-diners with bi-fold doors
- Typical cost: £45,000 – £120,000
2. Side Return Extensions
- Perfect for Victorian and Edwardian homes
- Creates spacious, light-filled kitchens
- Typical cost: £35,000 – £75,000
3. Wrap-Around Extensions
- Combines rear and side extensions
- Maximum space and functionality
- Typical cost: £80,000 – £180,000
4. Two-Storey Extensions
- Adds significant living space and value
- Ideal for growing families
- Typical cost: £90,000 – £200,000
The CREST PROJECTS Difference
🔹 Local Knowledge – Experts in London’s unique architectural styles and planning requirements
🔹 Quality Assurance – Rigorous standards at every stage
🔹 Minimal Disruption – Clean, considerate worksites
🔹 Sustainable Solutions – Energy-efficient designs and materials
Our Extension Process
- Free Initial Consultation – Discuss your vision and requirements
- Design & Planning – 3D visualizations and technical drawings
- Approvals – Handling all planning and building regulations
- Construction – Meticulous attention to detail
- Completion – Final finishes and project handover
Frequently Asked Questions
1. How much value does an extension add?
Most extensions add 10-25% to your property’s value when done professionally.
2. Do I need planning permission?
Many extensions fall under Permitted Development, but our specialists will advise you.
3. How long does an extension take?
- Single-storey: 10-14 weeks
- Double-storey: 14-20 weeks
4. Can I stay in my home during works?
Yes, we carefully plan works to minimise disruption to your daily life.
Ready to Extend Your Home?
As London’s trusted house extension specialists, CREST PROJECTS has transformed hundreds of homes across the capital. Let us bring your extension vision to life with our expert team.
📞 Call 020 8088 8281 for your free consultation
