We believe that good design and high quality planning drawings shouldn’t cost the earth. We want to give a straight-forward, great quality service that takes your project from inception to submitting fully-prepared planning drawings.

The South London Extension Co. is run by architects with a decade of knowledge working with local planning authorities for award-winning practices across the city. We have experience of submitting Permitted Development and traditional planning applications in boroughs across London and can design your extension with local planning policies in mind.

Our architects have submitted over 100 planning applications and over 90% of our submitted applications are approved first time. If your application is refused for any reason, well help amend and resubmit the first follow-up application for free.

We ready to help start your project with detailed measured drawings of your house, creative concept design drawings and high-quality planning submissions.