Quality Assured 
BESPOKE BUILDS 
AWARD-WINNING
A bespoke home extension is the perfect solution to creating more space for you and your family to enjoy together.
There's no doubt the way we live, use and enjoy our homes has evolved and so should our home space adapt to fit our needs.
If you can dream it, North Thames can build it!
Add an elegant new room by extending upwards into the roof space. An elegant new bedroom, art studio, kids playroom or home office, we'll turn your dream into reality!
North Thames Developments is a leading design and planning specialist covering London, Hertfordshire & the Home counties.
We work closely with you from the outset to ensure the finished project is exactly as you dreamed!
Our Portfolio
MUSWELL HILL, NORTH LONDON
WINCHMORE HILL, NORTH LONDON
BROOKMANS PARK, HERTFORDSHIRE
LITTLE BERKHAMPSTEAD, HERTFORDSHIRE
Testimonials
"You guys are just fab! North Thames were great from the get go and held our hand throughout the entire process of creating a new wrap-around extension and kitchen space. Thank you for not making it stressful!"
"We just LOVE our new open plan extension! It was your clever ideas and problem solving for our uniquely shaped space that set you apart and the finish is just nothing short of spectacular. So HAPPY!"
"You made it all so easy for us. We needed extra space for our little one and had been thinking about a loft conversion for a while. It was so nice with the en-suite that we turned it into the master bedroom instead."