Permitted Development Extensions in Hounslow

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

• Extension within a conservation area in Hounslow
• Eaves height exceeding 3 metres near boundary
• Overlooking concerns from upper floor windows
• Materials not matching existing dwelling
• Two-storey extension too close to rear boundary
• Side extension exceeds half the width of the original house

Property Types We Advise On in Hounslow

• Properties within conservation areas
• Detached houses in Hounslow
• Corner plot homes
• Homes subject to Article 4 Directions
• Properties with outbuildings

Frequently Asked Questions

How long does a Lawful Development Certificate take?

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

Can I amend my plans after submission?

Minor amendments may be accepted during determination, depending on the council.

How much does a planning application cost?

Fees vary depending on project type and local authority charges.

Can I extend my house in a flood zone?

Extensions in flood risk areas may require additional assessments and possibly planning permission.

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 in a National Park?

National Parks have stricter controls and reduced permitted development rights.

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