Reliable construction services tailored to your needs
If you’re looking for a construction company in London that delivers top-quality results on time and on budget, JJ Construct is the name to trust. We provide complete building solutions—from structural work to bespoke interior finishes—while ensuring every detail aligns with your vision and requirements.
What we do
Home extensions
Create more space and comfort without moving. Our extensions are designed to integrate seamlessly with your existing layout while enhancing functionality and property value.
Loft conversions
We turn underused loft spaces into bright, insulated rooms tailored to your lifestyle—be it a bedroom, office or creative studio.
Refurbishments
From kitchen upgrades to full-scale renovations, we modernise homes to meet today’s living standards—focusing on smart layouts, energy efficiency and lasting finishes.
New builds
Whether you’re building a home from scratch or investing in property development, we handle every stage—from planning and groundwork to the final walkthrough.
Maintenance
We support businesses with well-managed office and retail refurbishments, as well as reliable ongoing property maintenance.
Why choose JJ Construct?
- Skilled and certified tradespeople
- Full project management from start to finish
- Clear pricing with no hidden costs
- Deep knowledge of London’s building regulations
- Durable, high-quality materials
Areas we serve
We operate throughout Greater London, including: Chelsea, Kensington, Fulham, Richmond, Notting Hill, Hammersmith, Wimbledon, Battersea, Chiswick, and Shepherd’s Bush.
Let’s build something great together
Whether you’re planning an extension, renovation or new build, we’re ready to bring your ideas to life. Reach out today to schedule a free consultation and take the first step toward your completed project — or simply visit our site to see what we do.
