Planning and building control

New building control fees from 16 November 2026

Standard charges for domestic extensions and alterations

Ground floor, single storey, two storey extensions and detached buildings

Category New floor area Building control approval with full plans (Inc VAT) Building notice charge (Inc VAT) Regularisation (VAT exempt)
    Plan charge Inspection charge    
1 Less than 10m2 £246 £450 £720 £960
2 Between 10m2 and 40m2 £318 £552 £894 £1192
3 Over 40m2 £414 £786 £1224 £1632
4 Garages, detached buildings more than 30m2 and garage conversions £246 £450 £720 £960

Loft and basement conversions

Category New floor area Building control approval with full plans (Inc VAT) Building notice charge (Inc VAT) Regularisation (VAT exempt)
    Plan charge Inspection charge    
5 Loft conversion without a dormer not exceeding 50m2 £336 £450 £810 £1080
6 Loft conversion with a dormer not exceeding 50m2 £438 £546 £1008 £1344
7 Basement conversion not exceeding 50m2 £414 £786 £1224 £1632

Underpinning, structural alterations, internal alterations, renovation of walls or floors, roof replacement and drainage

Category Construction value Building control approval with full plans (Inc VAT) Building notice charge (Inc VAT) Regularisation (VAT exempt)
  Cost of building work, excluding architect and engineer fees Plan charge Inspection charge    
8 Construction value up to £1,000 £324 Included in plan charge £372 £496
9 Construction value between £1,001 and £2,000 £402 Included in plan charge £450 £600
10 Construction value between £2,001 and £5,000 £558 Included in plan charge £618 £824
11 Construction value between £5,001 and £10,000 £336 £450 £810 £1080
12 Construction value between £10,001 and £20,000 £414 £600 £1038 £1384

Other alterations and building works to domestic buildings

Category Type of work Building control approval with full plans (Inc VAT) Building notice charge (Inc VAT) Regularisation (VAT exempt)
    Plan charge Inspection charge    
13 Window replacement (10 units or fewer) if not FENSA registered £270 Included in plan charge £324 £432
14 Window replacement (more than 10 units) if not FENSA registered £438 Included in plan charge £486 £648
15 Boiler, wood burner, oil, coal or gas fire when not installed by a registered competent person £270 Included in plan charge £324 £432
16 Cavity wall insulation when not installed by a licenced installer £78 Included in plan charge £138 £184
17 Electrical work carried out by a person who is not a registered Part P competent person. See 'surcharges and reductions' below for additional requirements. £738 Included in plan charge £798 £1064

Standard charges for non-domestic buildings

Underpinning, structural and internal alterations, renovation, roof, wall or floor replacement, refurbishment, shop frontage, shop fit out, drainage and other works

Category Description Building control approval with full plans (Inc VAT) Regularisation (VAT exempt)
  Cost of building work, excluding architect and engineer fees Plan charge Inspection charge  
1 Construction work less than £2,000 £276 £360 £848
2 Construction work between £2,001 and £5,000 £300 £384 £912
3 Construction work between £5,001 and £10,000 £336 £438 £1032
4 Construction work between £10,001 and £20,000 £414 £600 £1352

Window replacement, installation of any controlled service or fitting, other alterations

Category Description Building control approval with full plans (Inc VAT) Regularisation (VAT exempt)
    Plan charge Inspection charge  
5 Replacement windows up to 10 units £270 Included in plan charge £360
6 Replacement windows 11 to 50 units £450 Included in plan charge £600
7 Replacement windows 51 to 100 units £600 Included in plan charge £800

Other fees

  • Demolition notice: £150
  • Copy of completion certificate: £30
  • RBCA submission of initial notices including up to 20 plots: £60