house extension

architecture fee: 10% of the total budget of the project once agreed with client, suppliers and contractor.

Guaranteed no extra fees throughout the process

1. type of extension

single storey: 1800-2000£/sqm* no need for planning application

double storey: 2700-3000£/sqm*

* + extra costs: kitchen, bi-fold doors, skylights...

2. concept design

project design and sketches analysing the client needs and site constraints


3. developed design

project design in coordination with structure and m&e specialists input

4. technical design/building regulations

technical drawings for builders and contractors

5. sign off

project is completed, high standards guaranteed