About us

Swoon Architecture is an award-winning architectural services company based in East Sussex. We have sister companies all over the UK and are leaders in home extensions for homeowners. 

Our team have experts that specialise in single storey extensions, double storey extensions and side return extensions.

For the past two years we have won awards for our structural engineering work. We have many years of experience with different kinds of projects and that’s why we are the number 1 UK company for home extensions.  

We build with integrity and quality. We have many happy clients and years of experience and this is what makes us special. We have a fantastic after sales service and guarantee all of our structural work for 3 years.

swoon architecture team

Swoon Architecture Portfolio

Mortlake, South West London

Our client wanted to a two storey extension comprising of new living space, extra bedroom, an en suite bathroom, utility room and downstairs WC.


Single storey rear and side return extension. We added more living space, kitchen space, bathroom, extra WC and utility area in the basement.

Hereford, rear extension