Permitted Development Extensions in Speen

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

• Extension covering more than 50% of garden area
• Extension within a conservation area in Speen
• Outbuilding positioned forward of principal elevation
• Incorrect measurement from original dwelling
• Eaves height exceeding 3 metres near boundary
• Materials not matching existing dwelling

Property Types We Advise On in Speen

• Homes subject to Article 4 Directions
• Corner plot homes
• New build developments
• Townhouses
• Victorian properties

Frequently Asked Questions

What is retrospective planning permission?

Retrospective applications seek approval for work already carried out.

Can I extend a semi-detached house differently to a detached house?

Yes, size limits and projection distances differ depending on property type.

Can I extend onto agricultural land?

Residential permitted development rights apply only within the residential curtilage.

Do I need structural calculations?

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

Can I add bi-fold doors to my extension?

Yes, provided the extension itself complies with permitted development rules and glazing requirements meet building regulations standards.

Are there restrictions on side-facing windows?

Yes. Upper-floor side-facing windows typically must be obscure-glazed and non-opening below a certain height.

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