Building Regulation Fees

Specified works include:

• Construction of a new of replacement dwelling,
• Installation of cavity wall insulation,
• Installation of an unvented hot water system
• Construction of a domestic porch
• Extension to a dwelling up to 60m2
• A loft space conversion in a dwelling for 1 or more rooms,
• Construction of an attached garage to a dwelling (up to 60m2),
• Construction of a detached domestic garage (up to 60m2) if not exempt*
• Replacement of a combustion appliance (i.e. boiler, fire, stove etc.)
• Installing a new or altering an existing heating system in a dwelling (i.e adding new radiators etc.)
• Installation of microgeneration technology (i.e. Solar PV or water panels, wood pellet boilers, heat pumps etc.)

*Contact your local Building Regulation office for further guidance on exemption

All other works are based on an “estimated cost of works” including:

• All works to non domestic buildings,
• Any works not stipulated above i.e.
  • Installation of a new wood/multifuel stove in a dwelling,
  • Creating or altering a structural element (domestic or non domestic),
  • Altering a conservatory roof so that less than 75% is no longer transparent

To calculate the required fee for “estimated cost of works” please use the following calculator:

Building Regulation 'Estimated Cost of Works' Fees Calculator