House Extensions: Planning, Design & Building Regulations

Costs depend on the size, complexity and scope of the project, as well as the services required. We assess the project before providing a fee.

The first step is to understand the property’s existing condition, planning position and potential constraints. This can then inform the extension design and the appropriate planning route.

Possibly. A rear extension may qualify for permitted development if the relevant requirements are met. The property’s circumstances and the proposed design need to be checked.

Possibly. The planning position for a side extension depends on the property’s existing layout, the proposed dimensions and appearance, and whether permitted development rights apply.

Yes. River Bee Design provides residential design services for single-storey extensions, including projects where planning, heritage or building regulations considerations need to be addressed.

Yes. Two-storey extensions can involve additional planning, design and technical considerations, and River Bee Design can help develop the project according to its scope.

Often, yes. The appropriate design and planning route depend on the property, its history, its location and whether it is listed or affected by conservation controls.

Potentially. Extensions to listed buildings require careful consideration of the building’s special architectural and historic interest and may require listed building consent and planning permission.

Many extensions and alterations require compliance with building regulations, even where planning permission is not required. The requirements depend on the type and scope of the proposed work.