Permitted Development Extensions in Kemsing

We provide clear, professional guidance on permitted development extensions in Kemsing 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 Kemsing

• Extension on a flat or maisonette
• Permitted development rights removed by planning condition
• Side extension exceeds half the width of the original house
• Dormer facing road
• Incorrect measurement from original dwelling
• Extension built beyond original rear wall line

Property Types We Advise On in Kemsing

• Townhouses
• Rural properties
• Detached houses in Kemsing
• New build developments
• 1930s suburban homes

Frequently Asked Questions

Do I need planning permission for a rear extension in Kemsing?

Many rear extensions fall within permitted development limits, but projection depth, height, and boundary proximity must comply with national rules and any local restrictions.

Do I need drawings for a Lawful Development Certificate?

Yes. Accurate scaled drawings are required to demonstrate compliance.

What is the 45-degree rule?

The 45-degree rule is a guideline used by some councils to assess impact on neighbouring properties, particularly in relation to light and outlook.

Can I install rooflights under permitted development?

Rooflights are often permitted if they do not protrude significantly beyond the roof slope.

Can I convert my loft and add a dormer?

Dormer loft conversions are often permitted development within volume limits.

How long does a Lawful Development Certificate take?

Most councils determine applications within eight weeks, though timescales may vary.

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