Nang Murng and Clive Rowe break down sample costs for roof coverings and drainage

摘要

Nang Murng, head of resource data, and Clive Rowe, construction data analyst, of the Building Cost Information Service of the RICS, provide the latest sample cost breakdowns for various types of roof covering and drainage. These guides reflect the prices a developer might expect to pay on a medium-sized residential project for products in the low to upper-middle specification range. Prices do not include for the contractor's preliminaries, overhead and profit margin. The base date is November 2020 at UK mean location, and prices are based on the BCIS Schedule of Rates Online Estimating Data.