Extension 32 Barnton Park Crescent, Edinburgh

July 2013.


This contemporary garden room was designed for a client who wanted to enjoy her newly landscaped rear garden. The room also serves as a new living / dining room and is insulated and heated to provide comfort all year round.


The room is 4.5m square, with two walls of glass providing an uninterrupted view of the garden, like massive HD televisions. The glass box is topped off by a roof overhang which works several ways; drawing the eye down, towards the garden and away from the sky, when viewed from inside. By providing a sheltered, intermediate zone on the outside, it also caps off the garden room, making it appear larger, framing an elegant, horizontal proportion.


The brief for the garden room was challenging, it had to be elegant, contain lots of glass and cost less than £30,000. Including VAT!


The solution to all of these challenges lay in the clever use of steel frame as the main building material, this could be built quicker than any alternative method and still be light enough to maximise glazing. To get the full story behind the garden room, read Modern Architecture with a Minimalist Price Tag, on the Capital A Blog.

Construction Costs

The project cost £22,500 + VAT. This works out at £1,070 + VAT per square meter. This did not include the landscaping costs. No new work was carried out inside the existing house.


These costs were relevant when the project was completed in 2013. Prices have changed since this was built, see this post for more details of current construction costs.

Contractors and Consultants

BUILDER: S. Ewing and Sons Ltd.


STRUCTURAL ENGINEERS: Mccoll Associates.


GLAZING: Mitchell Glass.


PHOTOS: SQFT

Architects Fees

For a similar project Capital A would charge the following fees;



Feasibly Study - £1,200


Planning Application - £1,500


Building Warrant Application - £2,500


Pre-Construction (Tender) - £1,500


Construction Stage - £1,250


Post-Construction (Snagging) - £250



See this page for more details on the stages of a project.


See this page for more details on Architects Fees.

Consultants Costs and Other Fees

Structural Engineers - £1,000 (aprox)


Energy Consultant - £100


Planning Application Fee to Local Council - £202


Building Warrant Application Fee to Local Council - £480


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REGISTERED OFFICE: Capital A Architecture Ltd. 8 Cameron Drive, Falkland, Fife, KY15 7DL. Registered as a Company in Scotland. Company Number SC374502. 2017 All Rights Reserved
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