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Building Control fees and charges

A Building Control charge is due when a Building Regulations application is made, either a with an Application for building control approval with full plans or a Building Notice application.

If you apply online for your Building Regulations approval, we will automatically calculate the fee payable.

Apply online

For more complex applications, you can print off and complete our Building Regulations application form, and you will need to calculate the charge payable yourself. Tables A to C detail the fees for different types of work.

Table A - New Dwellings (to 250m²)

Number of dwellings Charge VAT Total
1 £683.33 £136.67 £820
2 £900 £180 £1,080
3 £1,150 £230 £1,380
4 £1,433.33 £286.67 £1,720
5 £1,708.33 £341.67 £2,050

Table A Notes: New dwellings over 250m2 in floor area or over 5no. dwellings - please contact us for advice.

Table B - Works to domestic buildings

Type of work Charge VAT Total
Garages and car ports to 40m² £190 £38 £228
Garages and car ports from 40m² to 60m² £316.67 £63.33 £380
Extensions to 10m² £383.33 £76.67 £460
Extensions from 10m² to 40m² £500 £100 £600
Extensions from 40m² to 60m² £583.33 £116.67 £700
Extensions from 60m² to 80m² £641.67 £128.33 £770
Conversion of garage into living accommodation £270 £54 £324
Renovation of a thermal element £145 £29 £174
Replacement windows £145 £29 £174
Installation of wood burner £195 £39 £234
Electrical work - (Non Competent Persons Scheme) £400 £80 £480
Insertion of one supporting beam £155 £31 £186
Insertion of two supporting beam £225 £45 £270
Insertion of three supporting beam £280 £56 £336
Loft Conversions up to 40m² £420 £84 £504
Loft Conversions over 40m² Please contact us to request a specific quote.

Note: If you are submitting an application for an extension and a loft conversion the charge for the loft conversion will be reduced by 50%.

For all other work to dwellings, please see Table C.

Table B Notes

  1. Reference to 'floor area' relates to the total internal floor area of all storeys.
  2. Where more than one extension is proposed, the floor areas can be added together to determine the charge.
  3. Some alterations to existing buildings, to improve facilities for the disabled, are exempt from Building Regulations charges. Please contact us for details and advice.
  4. For extensions over 80m², please contact us for advice and a specific quote.

Table C - All Other Building Work

Total estimated cost of the works Charge VAT Total
£0 to £1000 £160 £32 £192
£1,001 to £2,000 £225 £45 £270
£2,001 to £5,000 £283.33 £56.67 £340
£5,001 to £10,000 £325 £65 £390
£10,001 to £15,000 £370 £74 £444
£15,001 to £20,000 £435 £87 £522
£20,001 to £30,000 £510 £102 £612
£30,001 to £40,000 £580 £116 £696
£40,001 to £50,000 £660 £132 £792

For projects with an estimated cost over £50,000 please contact us for advice.

Table C Notes

  1. Please enclose a written estimate of the cost of work with your application. We may request a more detailed estimate, to justify any plan charge submitted.
  2. For replacement windows in non-domestic buildings, please contact us for a specific quote.
  3. 'Total estimated cost' means a reasonable estimate that would be charged by a professional builder, but excluding professional fees (architects'/surveyors') and VAT. We cannot accept DIY estimates.
  4. Some alterations to existing buildings, to improve facilities for the disabled, are exempt from Building Regulations charges. Please contact us for details and advice.

Other Charges

Some Building Control services require research into historic files, to provide copies of archived documents. You should request these services, and we will respond, by email or in writing only. A minimum charge of £50  applies for searching and providing copies of the following historic documents:

  • Building Regulations approval 
  • Conditional Approval/Approval with Requirements
  • Rejection notices
  • Completion certificates

B&NES Building Control charges are fixed under the terms of our latest Scheme of Charges. Contact the Building Control Section if you need further information about fees and charges.