Permitted Development Extensions in Flackwell Heath

We provide clear, professional guidance on permitted development extensions in Flackwell Heath 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 Flackwell Heath

• Article 4 Direction restrictions
• Eaves height exceeding 3 metres near boundary
• Extension covering more than 50% of garden area
• Prior approval required but not obtained
• Two-storey extension too close to rear boundary
• Overlooking concerns from upper floor windows

Property Types We Advise On in Flackwell Heath

• 1930s suburban homes
• Chalet-style houses
• New build developments
• Homes subject to Article 4 Directions
• Corner plot homes

Frequently Asked Questions

How high can my extension be?

Height limits vary, but rear extensions under permitted development generally cannot exceed four metres for detached houses or three metres for others.

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 build a wraparound extension without planning permission?

Wraparound extensions often exceed permitted development limits and usually require planning approval.

Can I build over a sewer?

Building near or over a public sewer may require a build-over agreement from the relevant water authority.

Does permitted development apply to HMOs?

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

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 Flackwell Heath and want to confirm whether it qualifies under permitted development rules, request a free assessment today and get clarity before you build.