In Construct

House Extensions | In-Construct

House Extensions

Transform Your Living Space

Create your dream home with our expert house extension services. From side returns to wrap-around extensions, we bring your vision to life.

10 Year Warranty
Award-Winning Design
London-Based

Extension Types

Explore our range of house extension options designed to maximize your living space and enhance your property value.

Rear Extensions

Rear Extensions

Extend your living space into your garden with a stunning rear extension. Perfect for creating open-plan kitchen and dining areas.

  • From £45,000
  • 4-6 weeks completion
  • Planning permission support
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Side Return Extensions

Side Return Extensions

Transform unused side passages into valuable living space. Ideal for period properties with narrow side returns.

  • From £35,000
  • 3-5 weeks completion
  • Permitted development possible
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Wrap-Around Extensions

Wrap-Around Extensions

Combine rear and side extensions for maximum space gain. Create stunning open-plan living areas.

  • From £65,000
  • 6-8 weeks completion
  • Full architectural service
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Double Storey Extensions

Double Storey Extensions

Maximize both ground and first floor space. Add bedrooms, bathrooms, and living areas simultaneously.

  • From £85,000
  • 8-12 weeks completion
  • Planning permission included
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Kitchen Extensions

Kitchen Extensions

Create your dream kitchen with a purpose-built extension. Perfect for modern open-plan living.

  • From £40,000
  • 4-6 weeks completion
  • Kitchen design service
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Glass Extensions

Glass Extensions

Bring the outdoors in with stunning glass extensions. Create light-filled spaces with minimal visual impact.

  • From £50,000
  • 4-7 weeks completion
  • Climate control options
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Our Extension Process

We follow a streamlined process to ensure your house extension project runs smoothly from start to finish.

Initial Consultation

We discuss your vision and requirements

Survey & Design

Detailed measurements and design plans

Planning

Handle permissions and regulations

Construction

Build with expert craftsmanship

Quality Check

Thorough inspection and testing

Handover

Project completion and warranty

Ready to Start Your Extension Project?

Contact us today for a free, no-obligation quote and consultation.

Get Your Free Quote

Fill out the form below, and our team will get back to you within 24 hours with a personalized quote for your extension project.

Why Choose Our Extension Services?

Expert Design & Planning

Our experienced architects and designers work closely with you to create the perfect extension for your home.

10 Year Warranty

All our extensions come with a comprehensive 10-year structural warranty for your peace of mind.

On-Time Completion

We pride ourselves on completing projects within the agreed timeframe and budget.

Planning Permission Support

We handle all aspects of planning permissions and building regulations approval.

Contact Information

125 Kensington High Street, London, W8 5SF
020 7123 4567
extensions@in-construct.co.uk