Extensions London – expand your space, enhance your life

Create your dream home with JJ Construct

Extending your home is a cost-effective way to gain more space without the stress of moving. At JJ Construct, we specialise in delivering seamless home extensions in London, tailored to your needs. Whether you’re looking to expand your living area, add new rooms, or transform the layout, we’re here to bring your vision to life.

Why choose us for your home extension?

Tailored to your vision

We collaborate closely with you to design a space that perfectly suits your lifestyle and requirements.

Experts in your project

From securing planning permissions to managing budgets and timelines, we take care of every aspect of your project.

Impeccable craftsmanship

Our skilled tradespeople deliver high-quality results that combine style, functionality, and durability.

Eco-friendly solutions

We incorporate energy-efficient technologies and sustainable materials to create homes that stand the test of time.

Our home extensions in London

Explore selected projects delivered across London, showcasing our approach to quality, detail and reliable execution. As an experienced construction company in London, we deliver tailored solutions designed to meet our clients’ expectations.

Two bedroom apartment renovation in Fulham

Complete renovation of an apartment in Kentish Town, London

Complete renovation on Portobello Road

Tailored home extension solutions in London

Single-storey and multi-storey extensions: Maximise your property’s potential with additional floors or expanded ground-level spaces.
Open-plan living transformations: Create light-filled, open-plan areas that elevate functionality and modern aesthetics.
Kitchen and living room extensions: Design spacious, contemporary kitchens or lounges perfect for family life and entertaining.
Loft and basement conversions: Transform underused spaces into stylish bedrooms, home offices, or leisure areas.
Additional rooms and features: Add new bedrooms, bathrooms, or offices to increase your home’s value and practicality.

Trusted for home extensions in London

At JJ Construct, we take pride in being one of London’s most reliable home extension specialists. Our clients consistently commend our dedication to delivering exceptional results, on time and within budget.

      
   JJ Construct - Builders & Construction Company London
   5 opinii Google 
  
 
 
   
 
 
       Opublikowano na Google  
   
   Peter Spens 
 
 
 
  I have used JJ construct twice and can’t recommend them enough. Great service and amazing quality - and on both occasions did the work very quickly.
  
 
      Opublikowano na Google  
   
   S Siddiqi 
 
 
 
  Jozef and his team did an incredible job with our refurbishment. Him and his team were a pleasure to work with, the job was finished on time and to an impeccable standard. Would highly recommend and we will be using him for any future projects.
  
 
      Opublikowano na Google  
   
   P Elby 
 
 
 
  JJ Construct were fantastic.  The whole project ran smoothly.  Thoroughly recommend.
  
 
      Opublikowano na Google  
   
   Alexia Perotti 
 
 
 
  If I could give a Jozef and his team 10 stars, I would. They are terrific builders. Reliable, honest, efficient, willing and enthusiastic. Jozef only sees solutions, never problems. He’s incredibly talented both in solving technical issues and has a good eye for detail. He’s also a perfectionist which is every designer’s dream. Jozef and his team took on our large project after we had been let down by another team and met us at a point where we had become quite disillusioned with the whole refurb. Jozef was incredibly positive and insightful, and injected new life and excitement into the project. We moved in last July and could not be happier. He really lives up to JJ Constructs motto. “Making you feel at home”. Couldn’t be more true.
  
 
      Opublikowano na Google  
   
   Alexandru Ilisanu

Areas we serve for home extensions in London

We proudly serve London’s most sought-after areas, including Richmond, Chiswick, Kensington, Chelsea, Fulham, Wimbledon, and beyond. Check our map to see if we cover your area.