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Permitted Development Checklist: Everything You Need to Stay Compliant


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Credit: Blake Wheeler

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When it comes to home improvements, understanding the ins and outs of permitted development rights can save you time, money, and stress. Whether you’re planning an extension, converting your loft, or adding a garden office, this guide provides a complete permitted development checklist to ensure you stay on the right side of the rules. We’ll also cover the latest changes to permitted development rules in 2025 and share tips for planning your project.


Table of Contents



Permitted Development Checklist: An Introduction


Permitted development rights are a set of planning regulations in the UK that allow homeowners to make specific changes to their property without applying for full planning permission. These rights are designed to streamline smaller-scale projects and keep the planning process hassle-free for homeowners.


However, not all properties benefit from permitted development rights. Listed buildings, conservation areas, and Article 4 directions may limit or remove these allowances. That’s why having a clear permitted development checklist is essential to avoid unexpected roadblocks.


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What Are the New Permitted Development Rules in 2025?


The permitted development landscape is set to evolve in 2025, with updates aimed at supporting sustainability and modern living standards. Key changes include:

  • Green Retrofitting: Homeowners can install solar panels, heat pumps, and other eco-friendly features with less red tape.

  • Larger Extensions: The size limits for rear extensions may increase, giving homeowners more flexibility for expanding their living space.

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  • Height Adjustments: Revised height restrictions for outbuildings will allow taller garden offices and annexes in certain cases.

  • Simplified Rules for Flats: Owners of flats may gain more rights for minor external changes, such as new windows or balconies.

It’s vital to keep up with these updates, as they could directly affect your project’s scope and compliance. Need further help? You don't need to break the bank to make your dream home come true! Book a call with a home expert today — for just £35 ($45).

What is Allowed Under Permitted Development?


Understanding what’s allowed under permitted development can make the difference between a straightforward project and a planning nightmare. Here are some examples:

Extensions:

  • Rear extensions up to 6 metres for terraced/semi-detached homes or 8 metres for detached homes.

  • Single-storey extensions up to 4 metres in height.

Loft Conversions:


  • Up to 50 cubic metres of additional roof space for detached/semi-detached homes.

  • No changes exceeding the plane of the existing roof slope facing the road.

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Outbuildings:


  • Must not cover more than 50% of the garden.

  • Cannot be used as a separate dwelling.

Other Improvements:


  • Installing skylights or dormer windows (within size limits).

  • Adding porches up to 3 metres high.

  • Solar panels and other renewable energy solutions (subject to conditions).

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For a more detailed understanding of what’s allowed, consulting the government’s planning portal is highly recommended.


How to Check if a Property Has Permitted Development Rights


Before embarking on any project, verify whether your property has permitted development rights. Here’s how:

  1. Consult Your Local Council: Contact your local planning authority to check if your property is affected by any restrictions.

  2. Review Your Deeds: Your property deeds may outline restrictions imposed by previous owners or developers.

  3. Use the Planning Portal: The UK Government’s Planning Portal provides a wealth of information to confirm your property’s status.

  4. Hire a Professional: Architects or planning consultants can provide expert guidance and ensure you’re compliant with the regulations.

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Credit: Avel Chuklanov

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How to Properly Organise Your Project


Taking a systematic approach ensures your project stays on track and within the boundaries of permitted development rights. Here’s a helpful guide:


Dos:


  • Check Regulations First: Start by confirming your project complies with permitted development rules.

  • Get a Certificate of Lawfulness: While not mandatory, this certificate provides proof that your project adheres to regulations.

  • Plan for Quality: Use professional services for designs, construction, and approvals to avoid costly mistakes.


Don’ts:


  • Skip the Research: Ignoring local restrictions can lead to fines or having to undo work.

  • Exceed Limits: Ensure you’re aware of the size, height, and placement restrictions.

  • Rush into Construction: Always secure approvals or confirmations before starting.

Construction site of a house

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How HiiGuru Can Simplify Your Home Project


Navigating the complexities of home improvements can be daunting, but HiiGuru makes it easier. This platform connects you with top-notch home design and renovation specialists, including architects, structural engineers, and project managers. With personalised guidance and expert advice, HiiGuru helps you:


  • Verify your project’s compliance with permitted development rules.

  • Create detailed plans and designs tailored to your needs.

  • Access ongoing support throughout your renovation journey.

Whether you’re tackling a simple loft conversion or a more ambitious extension, HiiGuru ensures your project is efficient, legal, and stress-free.


Our Final Thoughts


Understanding and adhering to permitted development rights is crucial for a successful home improvement project. By following this permitted development checklist, staying updated on the latest rules, and organising your project effectively, you can avoid common pitfalls and achieve your dream renovation.


Don’t forget, platforms like HiiGuru are there to support you every step of the way. With the right tools, professionals, and planning, your home project can be both transformative and hassle-free.


Ready to start? Check your property’s development rights today and begin planning your dream space.


Need help with your home project? Book a vetted home expert for a 30-minute video call for just £35 ($45). Transforming your home into a space you love shouldn't be a daunting task. With HiiGuru you can save time, avoid costly mistakes and bring your goals to life with experts by your side.

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