Finance and Business

Building Regulations

Building regulations chargeable services*

 

Construction or conversion to new housing

Description
2025-26
2026-27
A1 – No. of Dwellings 1 Plan/Inspection/Building notice  £210/£635/£845 £220/£655/£875
A2 – No. of Dwellings Plan/Inspection/Building notice  £330/£985/£1315 £340/£1025/£1365
A3 – No. of Dwellings 3 Plan/Inspection/Building notice  £425/£1270/£1695 £440/£1310/£1750
A4 – No. of Dwellings 4 Plan/Inspection/Building notice  £520/£1550/£2070 £535/£1605/£2140
A5 – No. of Dwellings 5 Plan/Inspection/Building notice  £610/£1835/£2445 £635/£1895/£2530
A6 – No. of Dwellings 6 Plan/Inspection/Building notice  £705/£2115/£2820 £730/£2190/£2920
A7 – No. of Dwellings 7 Plan/Inspection/Building notice  £800/£2400/£3200 £825/£2480/£3305
A8 – No. of Dwellings 8 Plan/Inspection/Building notice  £895/£2680/£3575 £925/£2770/£3695
A9 – No. of Dwellings 9 Plan/Inspection/Building notice  £990/£2960/£3950 £1020/£3065/£4085
A10 – No. of Dwellings 10 Plan/Inspection/Building notice  £1085/£3245/£4330 £1120/£3355/£4475
A11 – No. of Dwellings 11 Plan/Inspection/Building notice   £1175/£3530/£4705 £1215/£3645/£4860
A12 – No. of Dwellings 12 Plan/Inspection/Building notice  £1245/£3740/£4985 £1290/£3865/£5155
A13 – No. of Dwellings 13 Plan/Inspection/Building notice  £1320/£3950/£5270 £1360/£4085/£5445
A14 – No. of Dwellings 14 Plan/Inspection/Building notice  £1390/£4160/£5550 £1435/£4300/£5735
A15 – No. of Dwellings 15 Plan/Inspection/Building notice  £1460/£4375/£5835 £1510/£4520/£6030
A16 - No. of Dwellings 16 Plan/Inspection/Building notice  £1530/£4585/£6115 £1580/£4740/£6320
A17 - No. of Dwellings 17 Plan/Inspection/Building notice  £1600/£4795/£6395 £1655/£4955/£6610
A18 - No. of Dwellings 18 Plan/Inspection/Building notice  £1670/£5010/6680 £1725/£5180/£6905
A19 - No. of Dwellings 19 Plan/Inspection/Building notice  £1740/£5220/£6960 £1800/£5395/£7195
A20 - No. of Dwellings 20Plan/Inspection/Building notice  £1810/£5435/£7245 £1870/£5615/£7485

 

Small domestic buildings, extensions, alterations and loft conversions

Description
2025-26
2026-2027
B1 - Erection and extension of garage < 100m2 Plan/Inspection/Building notice  £565.00, inspection included in plan charge, £565.00 £585.00, inspection included in plan charge, £585.00
B5 - Conversion of garage into a habitable room Plan/Inspection/Building notice  £565.00, inspection included in plan charge, £565.00 £585.00, inspection included in plan charge, £585.00
B10 – Single storey extension < 10m2 Plan/Inspection/Building notice  £140/£425/£565 £145/£440/£585
B11 - Single storey extension 10m2 - 40m2 Plan/Inspection/Building notice  £190/£565/£755 £195/£585/£780
B12 - Single storey extension 40m2 - 100m2 Plan/Inspection/Building notice  £235/£705/£940 £245/£730/£975
B20 - Two storey extension < 40 m2 Plan/Inspection/Building notice  £210/£635/£845 £220/£655/£875
B21- Two storey extension 40m2 -100m2 Plan/Inspection/Building notice  £260/£775/£1035 £270/£800/£1070
B30 - Alterations to create or extend a basement < 100m2 Plan/Inspection/Building notice  £190/£565/£775 £195/£585/£780
B35 - Loft conversion Plan/Inspection/Building notice  £190/£565/£775 £195/£585/£780
B40 – Underpinning Plan/Inspection/Building notice  £120/£350/£470 £125/£365/£490
B45 - Renovation of a thermal element Plan/Inspection/Building notice  £190.00/inspection included in plan charge, £190.00 £195 inspection included in plan, charge £190
B50 - Installation of solar panels/photovoltaic Plan/Inspection/Building notice  £190.00/inspection included in plan charge, £190.00 £195 inspection included in plan, charge £190
B60 - Windows/Glazed door replacement < 20 windows Plan/Inspection/Building notice  £190.00/inspection included in plan charge, £190.00 £195 inspection included in plan, charge £190
B61 - Windows/Glazed door > 20 windows Plan/Inspection/Building notice  £280.00/inspection included in plan charge, £280.00 £295 inspection included in plan, charge £280

 

Electrical work

Description
2025-26
2026-27
B70 - Carried out by electrical contractor issuing BS7671 certificate £105.00/inspection included in plan charge, £105.00 £110 inspection included in plan, charge £110
B71 - Carried out by others Plan/Inspection/Building notice £830 inspection included in plan, charge £830 £860 inspection included in plan, charge £860

 

Domestic alterations to a single building

Description
2025-26
2026-27
C1 - Internal alterations and installation of fittings < £2000 Plan/Inspection/Building notice £190.00,inspection included in plan charge, £190.00 £195 inspection included in plan charge £195
C2 - Internal alterations and installation of fittings £2000 -£5000 Plan/Inspection/Building notice £120/£350/£470 £125/£365/£490
C3 - Internal alterations and installation of fittings £5000 - £15,000 Plan/Inspection/Building notice £140/£425/£565 £145/£440/£585
C4 - Internal alterations and installation of fittings £15000 - £25000 Plan/Inspection/Building notice £165/£495/£660 £170/£515/£685
C5 - Internal alterations and installation of fittings £25000 - £50,000 Plan/Inspection/Building notice £190/£565/£755 £195/£585/£780
C6 - Internal alterations and installation of fittings £50,000 - £75,000 Plan/Inspection/Building notice £260/£775/£1035 £270/£800/£1070
C7 - Internal alterations and installation of fittings £75,000 - £100,00 Plan/Inspection/Building notice £305/£920/£1225 £315/£950/£1265
C8 - Internal alterations and installation of fittings £100,000 - £150,000 Plan/Inspection/Building notice £375/£1130/£1505 £390/£1170/£1560
C9 - Internal alterations and installation of fittings £150,000 - £200,000 Plan/Inspection/Building notice £425/£1270/£1695 £440/£1310/£1750

 

Non domestic work - Extensions and new build

Description
2025-26
2026-27
D1 - Industrial and Storage < 40m2 – Plan/Inspection/Regularisation charge £250/£600/ £265 / £610
D2 - Industrial and Storage 40m2 - 100m2 - Plan/Inspection/Regularisation charge £315/£720/ £320 / £750
D3 - Industrial and Storage 100m2 - 200 m2 - Plan/Inspection/Regularisation charge £455/£1055/ £470 / £1090
D10 - Other < 40m2 - Plan/Inspection/Regularisation charge £315/£720/ £320 / £750
D11 - Other 40m2 - 100 m2 - Plan/Inspection/Regularisation charge £400/£920/ £410 / £955
D12 - Other 100m2 - 200m2 - Plan/Inspection/Regularisation Charge £540/£1250/ £555 / £1295

 

Non domestic work alterations

Description
2025-26
2026-27
E1 - Underpinning < £50,000 Plan/Inspection/Building notice/Regularisation charge  £140/425/565 £145/£440/£585
E2  - Underpinning £50,000 - £100,00 Plan/Inspection/Building notice/Regularisation charge £190/£565/£755 £195/£585/£780
E3 - Underpinning £100 - £250,000 Plan/Inspection/Building notice/Regularisation charge  £235/£710/£945 £245/£730/£975
E10 - Window replacement < 20 - Plan/Inspection/Building notice/Regularisation charge  £285.00/inspection included in plan charge/£285.00 £295 inspection included in plan charge £295
E11 - Window replacement > 20 Plan/Inspection/Building notice/Regularisation Charge  £380.00/inspection included in the plan/£380.00 £390 inspection included in plan charge £390
E20 - New shop front < 20 windows Plan/Inspection/Building notice/Regularisation charge £120/£355/475 £125/£365/£490
E21 New shop front > 20 windows Plan/Inspection/Building notice/Regularisation charge £140/£425/£565 £145/£440/£585
E30 - Renovation of a Thermal Element, < £50,000 Plan/Inspection/Building notice/Regularisation charge £380.00/inspection included in plan charge/£380.00 £390 inspection included in plan charge £390
E31 - Renovation of a Thermal Element, £50,000 - £100,000 Plan/Inspection/Building notice/Regularisation charge £475.00/inspection included in plan charge/£475.00 £490 inspection included in plan charge £490
E32 - Renovation of a Thermal Element - £100,000 - £250,000 Plan/Inspection/Building notice/Regularisation charge £565.00/inspection included in plan charge/£565.00 £585 inspection included in plan charge £585
E40 - Alterations and Fittings < £5000 Plan/Inspection/Regularisation charge £175/390 £175 / £410
E41 - Alterations and Fittings £5000 - £15,000 Plan/Inspection/Regularisation charge £195/£465 £205/ £480
E42 - Alterations and Fittings £15,000 - £25,000 Plan/Inspection/Regularisation charge £250/£600 £265 / £610
E43 - Alterations and Fittings £25,000 - £50,000 Plan/Inspection/Regularisation charge £295/£650 £295 / £680
E44 - Alterations and Fittings £50,000 - £75,000 Plan/Inspection/Regularisation charge £370/£855 £380 / £885
E45 - Alterations and Fittings £75,000 -£100,000 Plan/Inspection/Regularisation charge £480/£1120 £495 / £1160
E46 - Alterations and Fittings £100,000 - £150,000 Plan/Inspection/Regularisation charge £535/£1255 £555 / £1295
E47 - Alterations and Fittings £150,000 - £250,000 Plan/Inspection/Regularisation Charge £595/£1385 £615 / £1430
E48 - Alterations and Fittings £250000 - £350,000 Plan/Inspection/Regularisation Charge £650/£1515 £670 / £1570
E49 - Alterations and Fittings £350,000 - £500,000 Plan/Inspection/Regularisation Charge £715/1640 £730 / £1700
E50 - Mezzanine floor < 500m2 - Plan/Inspection/Regularisation Charge £260/£590  £265 / £610
E60 - Office fit out < 500mPlan/Inspection/Regularisation Charge £230/£525 £235 / £545
E61 - office fit out, 500m2 - 2000mPlan/Inspection/Regularisation £310/£725 £320 / £750
E70 - Shop fit out, < 500mPlan/Inspection/Regularisation £230/£525 £235 / £545
E71 - Shop fit out, 500m2 - 2000mPlan/Inspection/Regularisation £315/£720 £320 / £750

 

 

All fees are inclusive of VAT, if applicable (unless otherwise stated). Fees and charges marked with an asterisk * are set by the Council, those not marked are set by other organisations such as Welsh Government and UK Government.

ID: 10052, revised 31/03/2026
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