Extensions, Loft Conversions, Garages and Carports
Extension means an extension of the internal floor area of a building used, or intended to be used, for the purpose of a single private dwelling. An extension has no more than 3 storeys, each basemenet level counting as one storey.
A reference to a dwelling is a reference also to a building consisting of a garage and/or carport, which is occupied in commone with a house or with a building consisting of flats and/or maisonettes.
Where the work comprises of two or more extensions, or an extension with more than one storey, the total internal floor areas of all such extensions/storeys may be aggregated in determining the charge payable.
Charges for extensions include means of access and work in connection with that extensions. Additional works up to a value of £500 are also included.
Floor areas quoted in the table below, are calculated from the gross internal finished floor areas.
An attached garage is classed as an extension.
Table B only relates to garages, carports and extensions which do not exceed 60m² in area. For any garage, extension or carport which has an internal floor area in excess of 60m², refer to Table C.
A detached garage with an internal floor area less than 30m² may be exempt. Please see Frequently Asked Questions for further information on exempt structures.
These notes are for guidance only. For further details please see our Scale of Charges.