Permitted Development Extensions in Martins Heron

We provide clear, professional guidance on permitted development extensions in Martins Heron 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 Martins Heron

• Materials not matching existing dwelling
• Eaves height exceeding 3 metres near boundary
• Extension covering more than 50% of garden area
• Two-storey extension too close to rear boundary
• Dormer facing road
• Overlooking concerns from upper floor windows

Property Types We Advise On in Martins Heron

• 1930s suburban homes
• Homes subject to Article 4 Directions
• Properties within conservation areas
• Victorian properties
• Properties with outbuildings

Frequently Asked Questions

Can I extend my house in a flood zone?

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

Do I need drawings for a Lawful Development Certificate?

Yes. Accurate scaled drawings are required to demonstrate compliance.

How is the original house defined for measurement purposes?

The “original house” refers to the property as it stood on 1 July 1948 or when it was first built, not including later extensions.

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.

Do I need structural calculations?

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

What is the difference between planning permission and building regulations?

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

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