Premium House Extensions
in London
Transform your London home with expertly designed extensions. From single storey rear extensions to wrap-around designs, we create additional space that enhances your lifestyle and property value.
Types of House Extensions
Choose the perfect extension type for your London property. Each option is carefully designed to maximize space, light, and value while respecting your home's character.
Single Storey Extension
Extend your ground floor living space with a beautifully designed single storey extension.
Perfect for:
- Kitchen extensions
- Living room expansion
- Open-plan living
- Bi-fold doors to garden
Cost Range:
££
Duration:
8-12 weeks
Double Storey Extension
Maximize space with a two-storey extension adding rooms on both ground and first floors.
Perfect for:
- Additional bedrooms
- Extra bathrooms
- Expanded kitchen/dining
- Significant value increase
Cost Range:
£££
Duration:
12-16 weeks
Wrap-Around Extension
Combine side return and rear extension for maximum ground floor transformation.
Perfect for:
- Maximum space creation
- Open-plan living
- Multiple access points
- Garden integration
Cost Range:
£££
Duration:
14-18 weeks
Side Return Extension
Convert the narrow side alley into valuable living space in Victorian terraced houses.
Perfect for:
- Kitchen expansion
- Utility areas
- Study spaces
- Storage solutions
Cost Range:
££
Duration:
10-14 weeks
Why Choose a House Extension?
House extensions offer the perfect solution for growing families or those seeking to enhance their living space without the disruption and expense of moving.
Increase Living Space
Add valuable square footage to your property without the hassle of moving house
Boost Property Value
Well-designed extensions can add 15-25% to your property value
Garden Integration
Create seamless indoor-outdoor living with bi-fold doors and patio areas
Faster Than Moving
Complete your extension faster and cheaper than finding and moving to a larger property
Planning & Regulations
Understanding planning permission and building regulations is crucial for successful house extensions. We guide you through every requirement.
Permitted Development
Many extensions fall under permitted development rights, requiring no planning permission.
Key Points:
- Single storey: up to 6m (terraced) or 8m (detached)
- Maximum 50% of original garden
- Height restrictions apply
- Neighbour consultation required
Planning Permission
Larger or more complex extensions require full planning permission applications.
Key Points:
- Extensions exceeding PD limits
- Conservation areas
- Listed buildings
- Neighbour objections
Building Regulations
All extensions require building regulations approval for safety and compliance.
Key Points:
- Structural calculations
- Foundation specifications
- Insulation requirements
- Fire safety compliance
Our Extension Process
From initial design to final handover, we manage every stage of your house extension with meticulous planning and execution.
Design Consultation
We assess your space, discuss your needs, and create initial design concepts.
Planning & Approvals
Handle all planning submissions and building regulation applications.
Foundation & Structure
Excavation, foundation laying, and structural framework construction.
Building & Weatherproofing
Walls, roof installation, and full weatherproofing of the structure.
Services & Insulation
Electrical, plumbing, heating installation, and high-performance insulation.
Interior Finishing
Plastering, flooring, kitchen fitting, and all interior finishes.
Premium Design &
Materials
We believe every extension should seamlessly blend with your existing home while adding contemporary functionality and style.
Architectural Excellence
Our designers create extensions that respect your home's character while introducing modern elements that enhance functionality and appeal.
Premium Materials
High-quality materials sourced from trusted suppliers, ensuring durability, energy efficiency, and aesthetic appeal for years to come.
Precision Construction
Meticulous attention to detail in every aspect of construction, from foundation to final finishes, ensuring exceptional quality throughout.
Extension Success Stories
Read what our clients say about their house extension experience with Refurb Squad.
"Our double storey extension has completely transformed our home. The team managed everything from planning to completion with exceptional professionalism."
Rachel Williams
Camden, NW1
Double Storey Extension
"The wrap-around extension created the open-plan living space we always dreamed of. Outstanding quality and finished exactly on time."
David Thompson
Islington, N1
Wrap-Around Extension
Ready to Extend
Your Home?
Transform your property with a professionally designed and built house extension. Our team will guide you through every step from planning to completion.
Get Your Extension Quote
Tell us about your extension plans and receive a comprehensive assessment