Navigating Planning Permissions for Renovations, Extensions, and Building Works in the UK

Gary Newell • 2 February 2025

When it comes to renovations, extensions, or any other significant building works, one of the most important things to consider is whether you need planning permission. In the UK, planning regulations are in place to ensure that development is safe, sustainable, and in keeping with the local environment. Whether you’re looking to extend your home, convert your loft, or build a new structure, it’s crucial to understand when planning permission is required and how to go about securing it.


What is Planning Permission?


Planning permission is the formal approval you need to carry out building works or change the use of land or buildings. It’s granted by the local council or planning authority in the area where your property is located. In general, planning permission is required for larger projects or works that could affect the surrounding area, but there are some exceptions, particularly with smaller, less invasive projects.


When Do You Need Planning Permission?


Certain types of works, particularly those that alter the structure or external appearance of a property, will typically require planning permission. Here are some common projects that may need approval:


1. Extensions and Loft Conversions 

Adding extra space to your home, whether through an extension or loft conversion, is a common reason for needing planning permission. There are specific rules on how far you can extend your property and how the extension should blend with the existing structure.


2. Conservatories  

While small conservatories may be covered by permitted development rights (which allow certain works without needing permission), larger conservatories, or those that extend into the boundaries of your property, will usually require full planning permission.


3. New Builds and Major Alterations

Any new build or major structural changes to a property, including changing the layout or converting commercial properties into residential homes, typically require planning permission.


4. Changes to the External Appearance 

If you’re changing the appearance of the building by altering windows, doors, or the roofline, you may need permission. This is especially the case for listed buildings or properties in conservation areas.


5. Garden Structures 

Sheds, greenhouses, or other garden structures can also require permission if they exceed certain size limits or are placed in prominent locations.


6. Swimming Pools 

The construction of swimming pools or other large garden buildings may also require planning permission, especially if they affect the overall aesthetic or drainage of the property.


What Are Permitted Development Rights?


In many cases, small-scale works such as some types of extensions or conservatories can be carried out without the need for planning permission, under what’s called "permitted development." These rights allow homeowners to make certain changes to their property without applying for full planning permission, if they comply with specific restrictions. 


However, there are many conditions that govern permitted development, including:


- Size limits for extensions or additions

- Restrictions based on the location and position of your property (e.g., proximity to boundaries or listed status)

- Limits on the height and depth of structures

- Restrictions in areas such as conservation zones


Before carrying out any work under permitted development, it’s essential to double-check whether your property qualifies and whether the work falls within the legal parameters.

 

How to Apply for Planning Permission


If your project requires planning permission, here’s a general guide to help you through the process:


1. Consult Your Local Planning Authority

The first step is to contact your local planning authority (LPA). They will provide guidance on whether your proposal requires planning permission and what rules apply in your area.


2. Prepare Your Application

You’ll need to provide detailed plans of the proposed works, including drawings and descriptions of the changes. You may also need to submit additional documents, such as site surveys, design and access statements, and environmental impact assessments.


3. Submit Your Application 

Applications can be submitted online through the Planning Portal or directly to your local authority. The cost of the application varies depending on the type and scale of your project.


4. Wait for a Decision 

Once your application is submitted, the local planning authority will assess it. This process usually takes about eight weeks for most applications. However, complex projects may take longer. If your application is approved, you’ll receive formal planning permission. If it’s refused, you have the right to appeal.


5. Building Regulations Approval  

Even if you get planning permission, you will likely need to submit your building works to building regulations approval, which ensures the construction meets health, safety, and energy efficiency standards.


What Happens if You Don’t Get Planning Permission?


Carrying out building works without the necessary planning permission can lead to fines, legal action, or even the requirement to undo the work. If you’re unsure about whether you need planning permission, it’s always better to ask before starting. There may also be penalties for failure to comply with other legal requirements, such as not following the right building regulations.


Jigsaw Construction Surrey Ltd: Your Planning Partner


Jigsaw Construction Surrey Ltd offers comprehensive project management services to streamline your building projects. From assessing whether planning permission is required to handling the application process, we ensure a hassle-free experience. With our expertise, you can confidently navigate complex regulations and focus on your vision, knowing that every step is professionally managed. We work closely with local authorities, ensuring all submissions meet the necessary standards and guidelines for a successful outcome. 
Get in touch to discuss your next construction project!


by Lisa Woolnough 3 June 2025
New title
by Lisa Woolnough 1 May 2025
Which Renovations will add the most value to your property When thinking about renovations that significantly increase your property's value, it's important to concentrate on upgrades that improve functionality, aesthetics, and energy efficiency. Here are some top renovations to consider: 1. Kitchen Remodel
 The kitchen is often the heart of the home, and updating it can offer a substantial return on investment. Consider modern appliances, energy-efficient fixtures, and a layout that maximises space. Features like a kitchen island or high-quality countertops can also make a significant impact. 2. Bathroom Upgrades
 Renovating bathrooms is another excellent way to increase your property's value. Add double vanities, walk-in showers, or even a soaking tub. Opt for timeless designs and durable materials that appeal to many potential buyers. 3. Open-Plan Living
 Modern buyers often prefer open, airy spaces. Knocking down non-structural walls to create an open-plan living area can make your home feel larger and more welcoming. This renovation can dramatically transform the space without major structural changes. 4. Energy-Efficient Improvements
 Installing energy-efficient windows, doors, and insulation can lower utility bills and make your home more attractive to eco-conscious buyers. Consider adding solar panels or smart home technologies for additional appeal. 5. Curb Appeal Enhancements
 First impressions matter. Updating the exterior with a fresh coat of paint, new cladding, or a modern front door can significantly boost your home's curb appeal. Landscaping improvements, such as adding flower beds or a well-maintained lawn, can also make a big difference. 6. Basement or Loft Conversion
 Converting an unused basement or loft into a functional living space, like a home office, gym, or extra bedroom, can add valuable square footage to your home, making it more appealing to buyers who need additional space. 7. Deck or Patio Addition
 Outdoor living spaces have become increasingly popular. Adding a deck or patio can create an inviting area for relaxation and entertainment, extending your living space and enhancing your home's appeal. 8. Smart Home Integration
 Incorporating smart home features such as automated lighting, security systems, or thermostats can make your property more attractive to tech-savvy buyers. These upgrades not only offer convenience but can also improve energy efficiency. 9. Roof Replacement
 A new, durable roof can enhance the aesthetic appeal of your home and provide peace of mind to potential buyers. A well-maintained roof signifies a well-cared-for home, which can be a significant selling point. 10. Garage Door Replacement
 Replacing an old garage door with a new, stylish, and energy-efficient model can improve the overall look of your home and provide a great return on your investment. By strategically planning these renovations, you can maximise the value of your property and ensure it stands out in the competitive real estate market. Consider your budget and the preferences of potential buyers in your area to make the most informed decisions. Since 2017, Jigsaw Property Maintenance and Construction has stood out as the top choice building company for numerous local clients. Whether you seek renovation, refurbishment, or construction services, our exceptional reputation is built on unparalleled customer support, dependable results, and flawless finishes. Our dedicated team prioritises health and safety, ensuring it remains at the forefront of every project we undertake. f you’d like professional advice on your home renovation project, get in touch with our expert team today!
by Lisa Woolnough 14 April 2025
Is it Worth Knocking Through for a Kitchen-Diner? Creating an open-plan kitchen-diner is one of the most popular home improvements in the UK. Many homeowners are choosing to knock through walls to combine their kitchen and dining area into one large, social space. But is it worth it? In this blog, we’ll explore the benefits, costs, potential challenges, and the latest design trends to help you decide if a knock-through is the right choice for your home. The Benefits of a Kitchen-Diner Knock-Through More Space & Better Flow Removing a wall between the kitchen and dining room can create a more spacious, open plan feel, making your home feel larger and more inviting. Brighter Living Area Traditional kitchens can sometimes feel dark and enclosed. Knocking through allows natural light to flow freely, creating a brighter and more pleasant living space. Better for Entertaining A kitchen-diner makes it easier to cook and chat with guests at the same time, making it perfect for dinner parties and family gatherings. Increased Property Value Open-plan living is highly desirable for buyers. A well-executed kitchen-diner conversion can add value to your home and make it more appealing to potential buyers. More Functional Living Space A combined kitchen and dining area can create a more practical, multifunctional space that suits modern family life. Current Trends for Kitchen-Diners If you're considering knocking through, thekitchn.com has some of the latest trends to incorporate into your design. These include: Moody Hues & Cool Metals Rich, deep colours like navy, plum, and burgundy, combined with sleek metals like chrome and polished nickel, are making a bold statement in modern kitchens. Concealed Kitchens Seamless cabinetry and integrated appliances create a sleek, minimalist look, making your kitchen feel more like part of the living space. Natural Materials & Warm Woods Sustainable materials like stone and warm wood finishes bring a timeless, cosy feel to open-plan kitchen-diners. Multi-Zoned Layouts Kitchens are now designed with dedicated areas for cooking, entertaining, working, and relaxing, ensuring a functional and organised space. Bold Colours & Mixed Materials Combining soft and bold colours like sage green, dusty pink, and rich browns with organic textures adds depth and warmth to the design. Open Shelving & Display Areas Stylish open shelving provides both storage and a way to showcase personal style, keeping the space practical yet decorative. Interesting Lighting Statement lighting fixtures made of coloured glass, thick metals, or natural materials serve as focal points in modern kitchen-diner spaces. Retro Influences Vintage elements such as patterned wallpaper and colourful area rugs are making a comeback, blending nostalgia with contemporary design. Sculleries & Secondary Kitchens More homeowners are incorporating secondary kitchen spaces or sculleries to keep the main kitchen clutter-free. Wellness-Focused Design Biophilic elements like indoor plants, natural light, and calming colour schemes are being used to create a healthier, more inviting kitchen environment. Considerations Before Knocking Through Is the Wall Load Bearing? If the wall is structural, you’ll need a steel beam (RSJ) to support the weight of the upper floors. A structural engineer’s assessment is essential before proceeding. Building Regulations & Permissions Most internal wall removals don’t need planning permission but must comply with Building Regulations. Your builder should notify your local authority or work with a building control inspector. Budget & Costs The cost of a knock-through varies depending on whether the wall is load-bearing, whether you need to relocate plumbing or electrics, and the level of finish you require. On average, expect to pay between £2,000 and £5,000 for a standard knock-through. Disruption & Mess Removing a wall is a major job that will cause dust and noise. Be prepared for some inconvenience while the work is being carried out. Heating & Ventilation Open-plan spaces can be harder to heat and may require additional heating solutions, such as underfloor heating or a more powerful radiator. Is a Kitchen-Diner Knock-Through Worth It? For many homeowners, the benefits of a larger, brighter, and more social space far outweigh the costs and temporary disruption. If you’re planning a knock-through, working with an experienced builder and structural engineer will ensure a smooth process with great results. At Jigsaw Construction Surrey, we manage your project from start to finish and keep you fully informed along the way. We can arrange both an architect and structural engineer who we work with regularly to help smooth this process for you. If you’d like professional advice on your home renovation project, get in touch with our expert team today!
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