Melrose Designs

Melrose Designs

Planning Permission Liverpool

Planning Permission for a Home Extension in Liverpool

Expanding your home with a well-designed extension is an excellent way to increase space, enhance functionality, and add value to your property. However, one of the most common questions homeowners ask is: Do I need planning permission for a home extension in Liverpool?

Understanding planning rules is essential to avoid costly mistakes and delays. In this guide, we’ll explain permitted development rights, when you need planning permission, and the common pitfalls to watch out for.

 

Planning Permission for a Home Extension in Liverpool

Understanding Permitted Development Rights

In many cases, homeowners can extend their properties without applying for planning permission, thanks to permitted development rights (PDRs). These are government regulations that allow certain types of home improvements without the need for formal approval, as long as they meet specific criteria.

What Types of Extensions Are Allowed Under Permitted Development?

Your extension may be covered under PDRs if it meets the following conditions:

    • Size Restrictions: A single-storey rear extension must not extend more than 3 metres beyond the original rear wall for a terraced/semi-detached house or 4 metres for a detached house. This limit can be doubled (6m or 8m) under the Neighbour Consultation Scheme.

    • Height Limits: The extension must not exceed 4 metres in height or be taller than the existing house.

    • Materials: The new extension should match the appearance of the existing property.

    • Location Restrictions: Extensions must not be forward-facing (i.e., extending beyond the principal elevation that faces the road).

    • 50% Rule: The total extension area (including any previous extensions) must not exceed 50% of the original land surrounding the house.

    • Side Extensions: Side extensions must be single-storey, no taller than 4 metres, and no wider than half the width of the original house.

When Do You Need Planning Permission?

Even if your extension meets most PDR criteria, you may still need planning permission in certain situations:

    • Your home is in a conservation area – Special rules apply to extensions in conservation areas or Areas of Outstanding Natural Beauty (AONB).

    • You live in a listed building – Listed buildings have stricter regulations, and any alterations require Listed Building Consent.

    • Your extension is two-storey – Any two-storey extensions must be set back at least 2 metres from the property boundary and usually require formal planning approval.

    • You want a larger or unusual extension – If the proposed extension exceeds permitted size limits, it must go through the full planning application process.

    • Your local council has restricted PDRs – Some councils remove permitted development rights through Article 4 Directions, meaning you must seek planning permission for any alterations.

Common Pitfalls to Avoid

Homeowners often run into problems when they assume their extension qualifies under PDRs without checking the details. Here are some of the most common mistakes:

    • Ignoring Building Regulations – Even if your extension doesn’t require planning permission, it must comply with UK Building Regulations to ensure structural safety, fire safety, and energy efficiency.

    • Overlooking Party Wall Agreements – If your extension affects a shared boundary (common in terraced or semi-detached homes), you may need a Party Wall Agreement with your neighbour.

    • Not Consulting the Local Council – It’s always best to check with your local planning authority to confirm whether your project qualifies as permitted development.

    • Assuming Planning Permission Will Be Granted – If your extension requires planning approval, don’t assume the council will approve it. Careful design and compliance with local policies are crucial.

    • Forgetting About Drainage and Utilities – Make sure your extension design takes into account drainage, electrics, and heating systems.

How to Apply for Planning Permission

If your extension does require planning permission, you’ll need to submit an application to your Local Planning Authority (LPA). The process typically involves:

    • Submitting detailed architectural drawings and plans.

    • Paying an application fee (usually around £200 for a householder application).

    • Allowing for a decision period of up to 8 weeks.

    • Possibly consulting with neighbours and local authorities.

Conclusion: Plan Your Home Extension the Right Way

Before starting your home extension project, it’s vital to determine whether you need planning permission or if it falls under permitted development rights. Taking the time to check the regulations can save you from costly mistakes and delays.

At Melrose Designs, we specialise in home extension planning, structural design, and compliance with UK extension rules. Whether you need help with planning applications, building regulations, or design ideas, our expert team is here to guide you.

Need advice on your home extension? Contact Melrose Designs today for a consultation and let’s bring your vision to life!