Get the AppOur repair and upgrade cost estimates are based on UK industry sources. Here is what they mean, where they come from, and how to use them responsibly.
The repair and upgrade costs provided by House Grader are for guidance only and should not be considered as formal quotations or fixed prices.
Professional surveyors rely on industry-standard cost guides that are regularly updated to reflect real-world market rates. The most widely used sources include BCIS (Building Cost Information Service), Spon's Price Books, and Laxton's Building Price Book — all of which form the basis of the estimates House Grader provides.
Our app price guide information is sourced from UK price lists widely used by quantity surveyors and professionals in the building industry:
Building Cost Information Service — run by RICS, BCIS is a leading and trusted provider of cost information for building and maintenance works, offering regional price variations and breakdowns for materials, labour, and total costs. Updated annually.
Comprehensive construction cost handbooks widely used by quantity surveyors and building professionals across the UK. Updated annually.
A well-established guide providing unit rates for all kinds of building work, widely referenced in the industry. Updated annually.
House Grader Limited — © 2026. All guide prices are for informational purposes only.
Our guide prices are a starting point. For specific, accurate costs always consult a qualified professional — or get in touch with us.
team@housegrader.co.uk