Permitted Development Extensions in Westminster

We provide clear, professional guidance on permitted development extensions in Westminster and surrounding areas. Whether you’re planning a rear, side, or two-storey extension, understanding local planning constraints and national permitted development limits is essential before work begins.

Common Permitted Development Issues in Westminster

• Raised decking exceeding permitted height
• Article 4 Direction restrictions
• Two-storey extension too close to rear boundary
• Outbuilding positioned forward of principal elevation
• Materials not matching existing dwelling
• Extension within a conservation area in Westminster

Property Types We Advise On in Westminster

• Homes subject to Article 4 Directions
• Properties with outbuildings
• Townhouses
• Detached houses in Westminster
• Properties within conservation areas

Frequently Asked Questions

What measurements are used for height?

Height is typically measured from the highest ground level adjacent to the building.

What is retrospective planning permission?

Retrospective applications seek approval for work already carried out.

Does permitted development apply to HMOs?

Some permitted development rights may be restricted depending on property use class.

Is planning permission needed for internal alterations?

Internal changes usually do not require planning permission unless the property is listed.

Will neighbours be notified?

Under prior approval procedures or planning applications, neighbours are typically notified.

Can I extend a flat under permitted development?

Flats and maisonettes generally do not benefit from permitted development rights for extensions.

If you're planning an extension in Westminster and want to confirm whether it qualifies under permitted development rules, request a free assessment today and get clarity before you build.