HOW WE WORK

How much does an architect cost ?

The construction cost of a very basic house extension starts from £2,000 per square metre + VAT, plus the cost of any new kitchens or bathrooms, plus VAT. This budget would allow for a basic standard of finish and will not include luxury items, such as under-floor heating, timber windows, granite worktops or wooden flooring.

To achieve a luxury finish, a minimum budget of £2,500 + VAT, or more per square metre is necessary.

This section has been designed as a guide to those wishing to undertake residential house extensions on their own project or build themselves a new home. It has been based on several similar projects of ours completed recently as of the end of 2019. Every project has its own issues and the scope of service we offer, the consultants needs, and construction costs will also vary greatly from project to project.

*as per 2019 prices

Project Type One

Project description: Single storey rear extension 7m x 5m and associated alterations to form an open plan kitchen living space, with strong links to the garden and lots of natural daylight. The extension required planning permission, but the site is not listed or in a conservation area.

Construction cost budget: £70,000 – £100,000 + VAT

How much will it cost to design?

An estimate of fees likely to be charged by others and the local authority are:

Design Stage
Construction Stage

Project Type Two

Project description: Rear 7m x5m single storey extension to existing dormer bungalow, extensive internal alterations including – new kitchen, bathrooms, alterations to room layouts, and first floor extension over existing bungalow.

Construction cost budget: £150,000 – £250,000 + VAT

How much will it cost to design?

An estimate of fees likely to be charged by others and the local authority are:

Design Stage
Construction Stage

Project Type Three

Project description: A new two storey detached 4-bedroom house in urban setting.

Construction cost budget: £250,000 – £350,000

How much will it cost to design?

An estimate of fees likely to be charged by others and the local authority are:

Design Stage
Construction Stage

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