A1 Extensions, working alongside A1 Lofts ensures that our clients benefit from the high standards of service and client satisfaction provided by our design teams, architects and build teams .

Expertise. We offer over a decade of experience in loft conversions and the design and construction of extensions.

Customer service is our priority. We are dedicated to ensuring that our commitment to our clients reflects the achievements of our sister company A1 Lofts.

Choice. We will provide all the options. The final choice is yours.

Superior design. Our architects will offer you innovative solutions for your space and design and will visit you at your home to discuss your plans in detail should you wish.

Guarantee. Full guarantees are provided for all your work.

Security. Your payments are safe and will be held in a secure client account and monies are only used for your project.


All our teams will work closely with you, combining quality design, craftsmanship and sustainability to create your dream extension, enhancing your lifestyle and your home.

Our in house teams will obtain planning permissions on your behalf and keep you fully informed of progress from day one through to completion. We offer a dedicated customer support team to ensure that you are a confident and comfortable.

Our prices are estimated on site following your FREE, no obligation consultation. We are committed to transparent pricing and assure you of no hidden extras. Your extension will be unique and your specifications will be adhered to.
  
We are committed to transparent pricing – no hidden extras as you get into the building phase. You get excellent building quality at competitive prices. 

To arrange your FREE, no obligation quote call 0800 019 2678.