Double Storey Extension Costs Table
While extending our multiple floors of a home at once clearly adds a new level of complexity to a project, however that doesn’t mean your costs multiply by the number of floors you’re adding.
The cost of the project of a multi-storey extension per square metre is only slightly higher compared to single storeys, and you save a lot of money by expanding multiple floors at once, rather than separate projects down the line.
This table with give you a rough idea of what you can expect in terms of price.
Cost of Double Storey Extensions in London
The cost of multi-storey extensions usually average around £1800/sqm.
Construction from £75K
Cost/m² about £1800m²
We conduct a full site survey with accurate measurements and photographs, enabling us to prepare scaled drawings for planning applications and documentation for your proposal.
We assess the history/context of the site and surroundings, research the local planning authority and establish previously proposed planning applications, either accepted or refused.
We offer a wide range of project development and management services during the construction phase, including project and development management.