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Detached or Attached Buildings Charges

Domestic Garages and Carports
Garage Conversions
Loft Conversions
Small Domestic Extensions

Your Quick Reference Guide

Domestic Garages and Carports

Charges for Garages and Carports ( unless they are exempt from the Building Regulations ) depend on the floor area, and are set out in Table 2a of our General Guide to Charges, this is reproduced below for your convenience. The categories are :-

Floor area not exceeding 40m2
Floor area between 40 and 60m2

Erection or extension of a detached or attached building which solely consists of a garage or carport which is to be used in common with an existing building and is not exempt
	Full Plans		Building Notice Charge	Regularisation Charge
Type of Work	Plan Charge	Inspection Charge	Building Notice Charge	Regularisation Charge
	(Incl VAT)			(No VAT)
Under 40m2 Floor Area	£146.81	-	£146.81	£153.19
40 - 60m2 Floor Area	£146.81	£151.70	298.51	£311.49

Small Domestic Extensions

Charges for domestic extensions depend on the total floor area of the extension/s, and are set out in Table 2b of our General Guide to Charges, this is reproduced below for your convenience.

The categories are :-

Not exceeding 10m2
Exceeding 10m2 but not exceeding 40m2
Exceeding 40m2 but not exceeding 60m2

The respective Plan and Inspection Charge may be based on the cumulative floor area of the proposed extensions.

Type of Work	Full Plans		Building Notice Charge	Regularisation Charge
Type of Work	Plan Charge	Inspection Charge	Building Notice Charge	Regularisation Charge
	(Incl VAT)			(No VAT)
Extension not exceeding 10m2	£146.81	£151.70	£298.51	£311.49
Extension exceeding 10m2 but not exceeding 40m2	£146.81	£287.74	£434.55	£453.45
Extension exceeding 40m2 but not exceeding 60m2	£146.81	£434.55	£581.36	£606.64

Loft Conversions

Table 2c of our General Guide to Charges is reproduced below, this specifies the minimum Plan and Inspection Charge for a loft conversion. This correlates to an estimated cost of work of £28,000. Where the estimated cost of work exceeds £28,000, Table 3 should be used to refer to the appropriate Plan and Inspection Charge.

Type of Work	Full Plans		Building Notice	Regularisation Charge
	Plan Fee	Inspection Charge	Building Notice	Regularisation Charge
	(Incl VAT)			(No VAT)
Extension or alteration to a dwelling consisting of the provision of one or more rooms in a roof space.	£109.95	£329.84	£439.79	£458.92

Garage Conversions

Type of Work	Full Plans		Building Notice	Regularisation Charge
	Plan Fee	Inspection Charge	Building Notice	Regularisation Charge
	(Incl VAT)			(No VAT)
Conversion of a single garage to habitable use	£210.43	-	£210.43	£219.57

For comparison purposes, the estimated cost of works for particular building uses, will be determined by the Royal Institute of Chartered Surveyors Building Cost Information Service.

This provides an indication of the construction costs where a detailed estimate cannot be provided. These rates should be used for calculating Building Regulation Charges. These rates are regularly reviewed and updated. Please see download below for latest information.