Permitted Development Extensions in Ashford: A Guide for Homeowners
Extending your home is an excellent way to increase space and add value to your property. However, many homeowners worry about the complexities of securing planning permission. The good news is that certain extensions can be carried out under permitted development rights, allowing you to expand your home without the need for full planning approval. At Smith Group, we specialise in designing permitted development extensions in Ashford, ensuring that your project is both legally compliant and tailored to your needs.
Understanding Permitted Development Rights
Permitted development rights (PDR) are a set of government regulations that enable homeowners to carry out specific home improvements without applying for planning permission. These rights apply to various projects, including single-storey extensions, loft conversions, and certain outbuildings.
However, there are strict guidelines regarding the size, height, and placement of permitted development extensions in Ashford. Engaging an ARB-registered architect, like our team at Smith Group, ensures that your extension complies with these regulations and avoids potential legal issues.
Key Criteria for Permitted Development Extensions
Before proceeding with your project, it’s crucial to understand whether your extension meets the permitted development guidelines. Below are some of the key requirements:
1. Size and Scale
- Single-storey rear extensions can extend up to 4 metres for detached houses and 3 metres for other homes.
- Under the larger home extension scheme, detached houses may extend up to 8 metres and other homes up to 6 metres, subject to prior approval from the local authority.
- Side extensions must be less than half the width of the original house.
2. Height Restrictions
- The maximum height for a single-storey extension is 4 metres.
- If the extension is within 2 metres of a boundary, the eaves height must not exceed 3 metres.
- No extension can be higher than the highest part of the existing roof.
3. Materials and Appearance
- The extension must use materials similar in appearance to the existing property.
- No balconies, raised platforms, or verandas are allowed under permitted development rights.
4. Location Restrictions
- Extensions cannot extend beyond the principal elevation of the house (i.e., the front of the property facing a highway).
- If your home is in a conservation area, Area of Outstanding Natural Beauty, or other designated land, additional restrictions may apply.
The Importance of a Lawful Development Certificate
Even if your project qualifies under permitted development extensions in Ashford, we strongly recommend applying for a Lawful Development Certificate (LDC). This official document from the local authority confirms that your extension complies with permitted development regulations, providing peace of mind for you and future buyers. It also helps prevent any disputes with neighbours or planning authorities in the future.
Why Choose Smith Group for Your Permitted Development Extension?
At Smith Group, we have extensive experience designing permitted development extensions in Ashford, ensuring that your project adheres to all regulations while maximising space and style. Our ARB and RIBA-registered architects provide expert guidance and tailor each design to meet the specific needs of our clients.
Our Approach:
- Expert Advice: We assess whether your extension qualifies under permitted development and provide clear guidance.
- Bespoke Design: Our tailored designs enhance both functionality and aesthetics.
- Lawful Development Certificate Assistance: We handle the LDC application process to secure official approval from the local authority.
- Seamless Execution: We collaborate with clients, contractors, and authorities to ensure a smooth process from start to finish.
Final Thoughts
Permitted development extensions in Ashford offer homeowners an excellent opportunity to expand their living space without the lengthy and costly process of applying for planning permission. However, navigating the rules can be complex, and professional guidance is essential to ensure compliance.
At Smith Group, we take pride in delivering high-quality, compliant extensions that enhance your home while meeting all legal requirements. If you’re considering extending your home under permitted development, contact us today for expert advice and bespoke design solutions tailored to your property.


