House Extensions, Dorking

House Extensions in Dorking | Home Extension experts

Contact us regarding your extension

We professionally build House Extensions in Dorking, building home extensions within Dorking and the surrounding areas, Reigate, Redhill, Box Hill and Sutton.

Looking to create more space and enhance the value of your Dorking property? Look no further than Home Build Extensions! in Hampshire, but we’re the leading specialists in crafting beautiful, functional house extensions in Dorking as we do in many other areas like Reigate, Redhill and Box Hill, designed to seamlessly blend with your existing home and perfectly suit your needs.

Why Choose Home Build Extensions for Your Dorking House Extension?

  • Unmatched Expertise: Our award-winning team boasts extensive experience creating stunning house extensions in Dorking. We’ll guide you through every step of the process, ensuring a stress-free and successful project.
  • Budget-Friendly Solutions: We understand the importance of affordability. That’s why we offer a variety of house extension options in Dorking to fit your budget, without compromising on quality or functionality.
  • Exceptional Value for Money: Our house extensions in Dorking are an investment that pays off. You’ll not only gain valuable living space but also increase your home’s value, making it a smart financial decision.
Home Build Extensions, specialist Builders in Hook, Hampshire
Side Return House Extension inside view of side extension in Surrey UK

Benefits of a Home Build Extensions House Extension in Dorking:

  • Strength & Durability: We use only the finest materials, ensuring your Dorking house extension is built to last. Enjoy peace of mind knowing your extension can withstand the elements for years to come.
  • RSJ Steel Beam: Supply and Installation service in Dorking and surrounding areas like Reigate, Redhill and Box Hill.
  • Energy Efficiency: Our house extensions in Dorking are designed with energy efficiency in mind. We use high-performance materials and construction techniques to keep your home warm in winter and cool in summer, saving you money on energy bills.
  • Bespoke Design & Customisation: Your Dorking house extension should reflect your unique style and needs. We offer a wide range of design options and materials, allowing you to personalise your extension to create your dream space.

Planning Permission Made Easy:

We'll navigate the planning permission process on your behalf, ensuring your project adheres to all regulations.
This could take 6 - 8 weeks, so allow a good time frame when planning your home extension project.

Expert Architectural Drawings:

Our skilled architects will create detailed and professional drawings that bring your dream extension to life.
These will also be available throughout the project incase you may decide to make a change, or half way through you have noticed you would rather another approach on something that you could'nt see before we started.

Structural Calculations You Can Trust:

Our qualified structural engineers will ensure your extension is safe, sound, and meets all building codes.
The structural frame of the extension and removal of any existing walls, is a very important part of the project, the calculations to your extension need to be accurate to ensure safety of future use throughout the test of time.

Project Management Throughout:

We'll manage every aspect of the construction process, keeping you informed and involved every step of the way.
There for you when you need us, while your project is live, we will be available to come and talk or guide you through any process whenever you feel you need us, just let us know, we will be there to explain any questions or queries you may have.

Explore the Benefits of Single Storey vs. Double Storey House Extensions in Dorking

Considering a house extension in Dorking but unsure which type is right for you? Home Build Extensions can guide you through the process!

  • Single Storey Extensions: Ideal for creating a ground-floor extension in Dorking, perfect for kitchens, living areas, or utility rooms. These extensions offer a cost-effective way to gain valuable living space without significantly impacting the property’s footprint.
  • Double Storey Extensions: Perfect for maximising space in Dorking properties with limited gardens. Double storey extensions provide significant additional square footage across two floors, ideal for creating bedrooms, bathrooms, or even home offices.

Single Storey House Extensions in Dorking

  • A classic: Perfect for extending your Surrey kitchen, creating a spacious living area, or adding a downstairs bathroom or utility room.
  • Budget-friendly: Generally less expensive than double-storey extensions due to simpler foundations and roof construction.
  • Design flex: Can incorporate large patio doors or bi-fold doors to seamlessly blend the extension with your garden.
Single Storey House Extension built in the UK
White exterior Double Storey Home Extension built in the UK

Double Storey Home Extensions in Dorking

  • Double your space: Gain valuable square footage on both floors, creating additional bedrooms, bathrooms, or even a home office.
  • Growing families: Provides separate living areas for children and adults, increasing privacy and comfort.
  • Plan ahead: May require additional planning permission due to the larger build size.

Planning Permission for House Extensions in Dorking:

Do you need planning permission for your home extension in Dorking?

Some House Extensions in Dorking, or anywhere in the UK , do not require planning permission, the image below (or to the side, if you're on a computer), showing house extension sizes, this is showing you that these sizes and below do not require planning permission in the uk. With sizes above these in the diagram, they do need planning permission, Obtaining this process can seem daunting, but it doesn't have to be! Here's a simplified breakdown of the process:

Planning Permission checklist


  • Permitted Development Rights: Many smaller extensions fall under permitted development rights, allowing them to be built without formal planning permission. Your local council’s website can provide more information on these regulations.
  • Pre-application Advice: Seeking pre-application advice from your local planning authority is highly recommended. This can save time and frustration in the long run by ensuring your project aligns with local guidelines. A planning officer can offer valuable insights and guidance specific to your project. To find your local council’s planning portal, head over to the GOV.UK planning permission website:
  • Submitting a Planning Application: If planning permission is required, you’ll need to submit a detailed application. This typically includes architectural drawings, structural calculations (depending on the project’s complexity), and a written explanation of your proposal.

Planning Permission Process Timeline: Expect the planning authority to take 8-12 weeks to make a decision on your application.

Home Build Extensions, specialist Builders in Hook, Hampshire
which size for house extension does not need planning permission in the UK
These House Extensions do not require planning permission

Breathe New Life into Your Dorking Home with a Modern House Extension

Does your Dorking home lack a modern touch? A well-designed house extension in Dorking by Home Build Extensions can transform your property into a stylish and functional living space.

  • Modern Design Elements: We incorporate sleek lines, expansive windows, and open-plan layouts to create a light and airy feel in your Dorking house extension.
  • Enhanced Functionality: Modern house extensions in Dorking boast improved flow and functionality, making your living space work better for your lifestyle.
  • Increased Energy Efficiency: Modern materials and construction techniques used in our Dorking house extensions ensure excellent thermal performance, keeping your home comfortable and energy-efficient.

Loft Conversions in Dorking

  • Unlock hidden potential: Utilise your loft space in Dorking for a guest bedroom, playroom, or even a home cinema.
  • Budget friendly compared to ground-floor extensions: Avoids the need for additional foundations and extensive groundwork.
  • Height restrictions: Building regulations may limit the headroom available in a loft conversion.
Loft Conversion in the UK
Basement Home Extension space for your home build.

Basement Conversions in Dorking

  • Subterranean space: Creates a unique additional living area, perfect for a home cinema, gym, or games room.


  • Planning considerations: Requires waterproofing and potential structural work, impacting cost.


  • Limited natural light: May necessitate the use of light tunnels or clever design solutions to brighten the space.

Frequently Asked Questions (FAQs) About House Extensions in Dorking

  • How much does a house extension in Dorking cost? Costs vary depending on size, design complexity, and materials chosen. However, Home Build Extensions offers competitive pricing for house extensions in Dorking.
  • Will I need planning permission for my house extension in Dorking? Not always. We’ll assess your project and advise on any necessary planning applications for your Dorking house extension.
  • How long will it take to complete my house extension in Dorking? Time frames vary, but Home Build Extensions works efficiently to complete your Dorking house extension in a timely manner.

Conservatories in Dorking

  • Bring the outdoors in: Creates a light-filled space for relaxation or entertaining, offering beautiful garden views.
  • Planning exemptions: May benefit from simplified planning permission processes compared to traditional extensions.
  • Temperature control: Consider insulation and ventilation to ensure year-round comfort.
Conservatory house extension project in the UK

A Historical Look at House Extensions in Dorking: From Humble Beginnings to Modern Marvels

Dorking, with its stunning countryside and proximity to London, has always been a desirable place to live. This has naturally led to a long history of residents seeking ways to expand their homes. Let’s delve into the fascinating evolution of house extensions in Dorking:

Early Extensions (Pre-19th Century):

  • Practical Needs: Early extensions in Dorking were primarily driven by necessity. Larger families or changing agricultural practices might necessitate adding a scullery, pantry, or even a byre (cowshed) to existing cottages and farmhouses.
  • Local Materials: These early extensions were often constructed using readily available materials like local stone, timber, and cob (a mixture of clay, straw, and other organic materials). This ensured a cohesive aesthetic with the existing structure.
  • Limited Scale: Building regulations were lax, and extensions were typically small, single-story additions that prioritized functionality over grandeur.

The Rise of the Victorian Era (19th Century):

  • A Surge in Extensions: The Victorian era witnessed a significant growth in Dorking’s population and prosperity. This led to a surge in house extensions, reflecting the need for more living space and the growing desire for comfort and status.
  • Embracing New Materials: The Victorians readily adopted new materials like brick and cast iron. This allowed for more elaborate designs, with extensions featuring bay windows, decorative detailing, and even conservatories.
  • Social Climbing: Extensions in Surrey during this period often served as a way for the middle class to showcase their social standing. Larger, more ornate extensions became a symbol of success and affluence.

The 20th Century and Beyond:

  • Focus on Functionality: The 20th century saw a shift towards a more functional approach to house extensions in Dorking. Open-plan living areas, kitchens with modern appliances, and dedicated bathrooms became increasingly popular.
  • Rise of New Materials: The 20th century brought the introduction of concrete and steel. These materials allowed for larger, more daring extensions, pushing the boundaries of design and functionality.
  • Sustainability Concerns: Modern house extensions in Surrey place a strong emphasis on sustainability. Energy-efficient materials, improved insulation, and integration with natural elements are key considerations for homeowners and builders alike.

Dorking’s Architectural Heritage:

Throughout history, house extensions in Dorking have reflected the prevailing architectural styles and materials. From the traditional charm of cob and timber extensions to the grandeur of Victorian brickwork and the clean lines of modern steel and glass, extensions have added layers of history and character to Surrey’s homes.

Home Extension Projects in Dorking

Our Extension builders in Dorking, take pride in their recent projects, which showcase a commitment to innovation and excellence in building and extending homes.

Our stunning home extensions that seamlessly blend with existing structures, our portfolio reflects the diverse needs and preferences of our Hampshire, Surrey and London clients. Here is just a few pictures of our recent extensions, ask for more detail if you would like a specific idea on a certain extension type.

We have hundreds of pictures and they are updated daily, check our social media for more details on recent home extension projects!

Loft Conversion in the UK
Side Return House Extension inside view of side extension in Surrey UK
Basement Home Extension space for your home build.
Loft Conversion for a Home Extension in the UK

Your House Extension Experts in Dorking, Surrey

Your local trusted builder in Hampshire

A house extension  in Dorking is a fantastic way to achieve Value and Space. Here at Home Build Extensions, we specialise in creating bespoke house extensions in Hampshire, Surrey and London UK. our House Extensions are tailored to your unique needs and budget.

Contact us about your House Extension Project in Dorking

Looking to expand your living space or extend your home in Dorking, Reigate or Redhill?

Home Build Extensions, located in Hampshire (tel: 07754 271410 | email:, is your one-stop shop for top-quality house extensions in Dorking.

Your local trusted builder in Hampshire

Office / Service Area

Hampshire | Surrey | London UK



07754 271410

Extending your home to fit your future

Get in touch with us at Home Build Extensions, to discuss your house extension project and guide you through the best way to gain the most from your new open space extension, or an extra bedroom for your new born.

Feel free to contact us.