We offer you a smooth and a natural flow extension design that maximises the space and capitalizes on the value of your property. Our structural calculation comes in a very comprehensive, clean and high quality text and graphics in an easy understandable format with economical structural members, i.e. no overdesign.

Single storey rear extension for a Typical 3 to 4 bedroom house
Structural steel, timber roof, rafters and floor joists calculation & detailing for only £450
Click here for some typical extension sketches that we would require. We would also need elevations and sections

Double storey side & rear extension for a Typical 3 to 4 bedroom house
Structural steel, padfooting, timber roof, purlin, rafters, ceiling joists and floor joists calculation & detailing from £850
Click here for some typical extensions sketches that we would require. We would also need elevations and sections

SINGLE STOREY REAR EXTENSION:-
The Cost of Plan, Calculation and Building Regulation Drawings (Detailing & Technical drawings) for a typical 3 to 4 bed house
The cost of a loft structural steel, timber joist and rafter calculation & detailing + building regulation drawings (technical drawings) can be anything in between £650 to £1,750 depending on the size of the project and the location.
The construction cost of a loft. This also varies; it can be anything in between 20,000 to 50,000.

We are also able to offer a range of other architectural services such as full structural surveys and reports.