Permitted Development Extensions in Hanworth

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

• Extension on a flat or maisonette
• Incorrect measurement from original dwelling
• Two-storey extension too close to rear boundary
• Raised decking exceeding permitted height
• Extension built beyond original rear wall line
• Overlooking concerns from upper floor windows

Property Types We Advise On in Hanworth

• New build developments
• Properties with outbuildings
• Victorian properties
• Corner plot homes
• Edge-of-settlement homes

Frequently Asked Questions

Do I need drawings for a Lawful Development Certificate?

Yes. Accurate scaled drawings are required to demonstrate compliance.

What is the difference between planning permission and building regulations?

Planning permission controls development impact, while building regulations ensure structural safety and compliance.

Can I extend onto agricultural land?

Residential permitted development rights apply only within the residential curtilage.

What is retrospective planning permission?

Retrospective applications seek approval for work already carried out.

Can I extend a listed building?

Listed buildings require listed building consent, even for minor works. Permitted development rights typically do not apply.

Do I need structural calculations?

Yes, building regulations often require structural calculations for beams, foundations, and load-bearing elements.

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