House Extensions in Redbridge

At Bigness Group, we design and build high-quality house extensions in Redbridge, transforming homes across North East London into brighter, larger, and more functional spaces.
From family houses in Ilford and Woodford Green to period terraces in Wanstead and Clayhall, we deliver bespoke extensions that enhance comfort, efficiency, and property value.

We handle everything — planning, design, engineering, and construction — ensuring your project runs smoothly and achieves exceptional results from start to finish.

Design and Build Services

Our Redbridge design-and-build team provides a complete end-to-end service:

• Detailed measured survey and architectural design

• Planning applications and permitted development advice through Redbridge Council

• Structural calculations and Building Control coordination

• Kitchen, interior, and lighting layout planning

• Dedicated project management with milestone updates

With one expert team managing every stage, you get clarity, precision, and reliability throughout your build.

Types of Extensions We Build

We construct all major types of residential extensions across Redbridge, including:

• Glass Box Extensions – Clean, contemporary architecture for modern homes.
• Modern House Extensions – Contemporary builds for minimalist homes.
• Single-Storey Extensions – Create spacious kitchen or dining areas filled with light.
• Double-Storey Extensions – Add bedrooms or bathrooms while expanding downstairs living.
• Side-Return Extensions – Ideal for terraced homes in Ilford and Wanstead.
• Rear Extensions – Extend towards the garden for open-plan living.
• Wrap-Around Extensions – Combine side and rear layouts for maximum space.
• Conservatories & Orangeries – Elegant glazed spaces for all seasons.
• Loft & Garage Conversions with Extensions – Optimise unused areas for extra rooms or offices.
• Basement Extensions – Create gyms, cinemas, or private lounges below ground.

Construction Standards

Every Bigness project in Redbridge follows our rigorous six-step build process:

1. Groundworks & Foundations – Engineered for North East London’s soil and terrain.

2. Structural Framework – RSJs and beams installed for stability and open layouts.

3. Walls & Roofing – Brick match, render, or cladding with high-performance insulation.

4. Windows & Glazing – Energy-efficient systems meeting all Part L requirements.

5. Interior Fit-Out – Plumbing, electrics, flooring, and bespoke joinery to spec.

6. Final Certification & Warranty – Building Control approval and workmanship guarantee.

Local Knowledge

We’re experienced in working with Redbridge Council’s planning and conservation policies, including developments near Snaresbrook, Woodford, and Wanstead Park.
Our familiarity with local housing styles and borough regulations ensures your extension gains approval efficiently and fits beautifully within its surroundings.

Costs and Financing

Every extension is unique, but here’s a general guide:

💡 Factors include size, materials, access, and specification level.

We provide transparent quotes with detailed breakdowns and stage payments.
Financing options may be available through our partner lenders for eligible clients — ask our team for guidance on home improvement financing.