Garage Conversion London, Hertfordshire, Buckinghamshire
Garage Conversion Specialists
Lewis Home Renovations provide garage conversion London, Hertfordshire, and Buckinghamshire specialists. A Garage conversion is a popular home improvement trend, offering you a creative and practical way to maximise your living space.
Converting a garage into a functional room, such as a home office area, utility room, kitchen, granny flat, extra bedroom, gym, or additional living space, allows for a versatile and personalised use of the space. This home renovation not only adds value to the property but also provides a cost-effective alternative to traditional home extensions.
Garage conversions often involve insulation upgrades, flooring installations, and the addition of windows or doors to enhance natural light and ventilation. The adaptability of garage spaces makes them an ideal canvas for various design ideas, catering to your evolving needs and lifestyles.
Garage Conversion During and After
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What is the Average Garage Conversion Cost?
As with most home improvement projects, each garage conversion cost is unique and depends on your existing floor plan and complexity of design.
Generally speaking, garages that are not directly connected to the home (detached garages) are the more expensive garage conversions due to the cost of additional services required such as extra wall support, wall insulation and protection, installation of water and gas services, drainage and electricity supply.
The three most common types of garages are integral garages, attached garages, and detached garages.
Integrated garages are the most cost-effective of garage conversion because they are pre-built into the home and require fewer alterations and modifications. Therefore, the average garage conversion cost per square meter ranges from £850 for an integrated single garage to around £2,500 for a double detached garage, depending on your requirements and specifications.
Choose Lewis Home Renovations
For a superior Garage Conversion experience, combining luxury, precision, and the expertise of the Best Garage Conversions in London, Beaconsfield and the surrounding areas.
Do I Require Planning Permission for a Garage Conversion?
Whether you need planning permission for a garage conversion depends on various factors, including your location, local regulations, and the specifics of the conversion. In many cases, garage conversions fall under “permitted development rights,” which means you may not need planning permission as long as the conversion meets certain criteria.
Here are some general guidelines for a garage conversion, but keep in mind that these can vary by region, and it’s crucial to check with your local planning authority:
- Permitted Development Rights: In some areas, you can convert your garage without planning permission if it falls under permitted development rights. Permitted development rules often include size limitations, design guidelines, and restrictions on changes to the front of the property.
- Conservation Areas: If your property is in a conservation area, additional restrictions may apply. In these areas, you may need planning permission even for changes that would normally be considered permitted development.
- Listed Buildings: If your property is a listed building, you will likely need planning permission for any significant alterations, including garage conversions.
- Building Regulations: Even if planning permission is not required, you will likely need to comply with building regulations. These regulations ensure that the conversion meets certain safety and energy efficiency standards. Check with your local building control department to understand the specific requirements.
- Parking Space Requirements: Some local authorities may have regulations regarding the provision of parking spaces. If your garage conversion eliminates or reduces existing parking spaces, you may need planning permission.
How Our Garage Conversion Services Work?
Initial Consultation
Site Visit and Survey
In order for proposal drawings to be accurate, we will carry out a measured survey of your garage space and discuss your finalised details further.
Initial Design Stage
The Design team will put together Initial design layouts and ideas of your Garage Conversion, whether this be an addition or extension of a Kitchen, Gym, Office, Bedroom or Playroom in order to show you different options available. Once you agree upon your desired option a detailed drawing will be provided.
(Generally, Garage conversions only require Building regulations and are carried out under Permitted Developments, however, depending on the property and location sometimes this can require Planning)
If Planning Permission is Required
We will schedule our Architects visit where they will carry out their survey, provide full Architectural Drawings for approval and prepare and submit a Planning Application to the necessary authority for approval.
Generally, this process can take 4-6 weeks depending on the Local Planning Authority.
If Planning Permission isn’t required
Building Stage
Electrical, Audio, Visual & Lighting design
We also provide optional services from our Electrical, Audio & Visual and Lighting Designers to produce detailed Electrical Design Plan, Audio and Visual Plan and Lighting Design plans.
Garage Conversion London, buckinghamshire, Hertfordshire
As the demand for additional living space continues to rise in the UK, homeowners are increasingly turning to garage conversions as a viable solution. In London, for instance, garage conversions have become a popular choice among urban dwellers seeking to optimise their limited space.
By transforming an underutilised garage into a comfortable living area or home office, residents can enhance their property’s value significantly while enjoying the benefits of extra square footage.
Similarly, in Hertfordshire and Buckinghamshire, garage conversions are gaining traction as homeowners recognise the potential of converting their garages into functional spaces. In Hertfordshire, a garage conversion can provide much-needed room for a play area, gym, or guest suite, making it an attractive option for families.
Garage Conversions Gallery
Also, in Buckinghamshire, the picturesque surroundings and family-oriented communities make these conversions particularly appealing for those looking to create a dedicated home office or studio space.
As the trend continues to grow, various companies specialising in garage conversions offer tailored services to meet specific needs, ensuring that each project reflects the homeowner’s vision.
Whether in London, Hertfordshire, or Buckinghamshire, garage conversions represent a smart investment in living quality and property value.
What Our Customers Say About Us
Our client focused approach ensures we provide a bespoke service tailored to each individual client and their project. We listen and obtain all the necessary information, ensuring that we fully understand our clients brief and are always working in your best interest, so your project expectations are met.
- Jamie Glenn
We had an absolutely fantastic experience with Lewis Home Renovations. After purchasing a 5 bedroom property in Beaconsfield through a... Read More local estate agent, we were introduced to LHR, who had come highly recommended due to the quality of work they’d done for several of the agent’s other clients and they truly lived up to the praise. Right from the beginning, Rod, Kelly, and the entire team were outstanding. Before we even completed the purchase, they provided us with a clear, ballpark estimate for the full renovation. This was crucial in helping us make an informed decision about moving forward with the sale and allowed us to plan the renovation timeline so work could start immediately after completion. Their guidance throughout the entire process from structural planning to design and finishing was exceptional. We were presented with a wide range of carefully curated options for kitchens, bathrooms, wardrobes, wood flooring, panelling, wallpaper, paint colours, curtains, and fabrics. Every detail was considered. It really was a hold your hand service, and we felt supported and informed at every step. The team’s professionalism, creativity, and care made what could have been an overwhelming experience feel smooth and enjoyable. They were thoughtful, organised, and always one step ahead. We were working to a tight timeframe, hoping to move in within three months and thanks to their planning and dedication, we did. We’re absolutely thrilled with the results. The house looks stunning and truly feels like home. It was an absolute pleasure working with Lewis Home Renovations, and we wouldn’t hesitate to recommend them to anyone looking for a top tier, full service renovation company. They made what we expected to be a stressful project into something genuinely exciting and rewarding.
July 28, 2025 - tio goncalves
Highly Recommend Outstanding Full House Renovation! We recently had our entire home in Gerard’s cross renovated by Lewis Home Renovations, including... Read More a full kitchen renovation, three bathrooms, a new staircase, and a beautiful extension and we couldn’t be more impressed with the outcome. What truly set Lewis Home Renovations apart was that they didn’t just fit everything they also supplied our kitchen and all the products for our three bathrooms. Working closely with Kelly Rod and the team at Lewis Home Renovations, we were given multiple options to choose from. Unlike other companies we approached, they offered a wide range of kitchen and bathroom products available on the market, giving us the flexibility to find styles and finishes that suited our taste and budget perfectly. From the initial consultation to the final finishing touches, the whole team was professional, approachable, and clearly passionate about their work. Their attention to detail and high standard of craftsmanship is evident throughout our home. The kitchen and bathrooms are modern and beautifully designed, the staircase adds a touch of elegance, and the extension has completely enhanced our living space. Communication was clear throughout, the project stayed on schedule, and the team was respectful of our home at every stage. If you’re looking for a renovation company that combines quality workmanship, great design choices, and exceptional service, we can’t recommend Lewis Home Renovations highly enough!
May 17, 2025AHAlthough the purchase of the property didn’t go ahead and we didn’t reach the stage of receiving a quote, our... Read More experience with Kelly and Rob was outstanding. Their professionalism, depth of knowledge, and approachable manner made a strong impression. Based on our interactions alone, we wouldn’t hesitate to recommend them — and we’re confident others will find the same level of service and expertise we experienced.
April 30, 2025Kit OwensRod, Kelly and the team are outstanding. Their attention to detail is second to none, they offered valuable advice and... Read More logical suggestions throughout the project which resulted in a first class finish. I wish I used them sooner regarding work I had completed previously but going forward there is only one place I'll be coming in the future. Honestly, I couldn't recommend them enough.
April 12, 2025 - Sarah Randolph
Kelly and Rob came down and quoted for a number of jobs including renovating a bathroom. Both were knowledgeable... Read More and helpful and we were very happy with the quote. Unfortunately due to ill health we were unable to go ahead with the project and they were most understanding. We highly recommend them.
March 27, 2025Camille DrummondLewis renovations were timely in their response and provided great advice and guidance. I would definitely consider them for future... Read More projects.
March 17, 2025Abigail Ross-GrovesWe had a quote for 3 jobs (1 large bathroom and 2 smaller toilet/shower units) Eventually we could only proceed with... Read More 2 due to funds but they honoured all quotes and works. Even over a year on they have come back to support us with minor issues, will be using for future works.
February 3, 2025 - veronica schneider
Fantastic service from the whole team, always friendly, professional and supportive. The team working in the showroom and on site... Read More always go above and beyond for their clients.
October 5, 2024Sue PriorFirst of three bathrooms completed and we are extremely happy. Rod and Kelly have been nothing short of fantastic from... Read More day one. They listen, offer advice, communicate and sort any problems promptly. Nothing is too much trouble. We cannot praise MK enough - his workmanship and attention to detail is superb!
September 28, 2024 - David Murphy
Impeccable work, very professional and really easy to deal with - highly recommended. Had our bathroom renovated and looks great.... Read More Thank you.
September 27, 2024rebecca sahaExcellent service and communications throughout the design planning of our future project. Highly recommend both Rod and Kelly for their... Read More attention to detail and time spent with us listening to our requirements. Highly recommend their prompt services. Thank you so much! Rebecca.
September 13, 2024 - J B
Throughout the project, everything was done with the utmost care and attention to detail. Nothing was too much trouble. We... Read More are delighted with the end result. Sarah and Jeff.
September 10, 2024Adrian HawleyIt has been a good, trouble fre experience. Both Rod Lewis and Kelly have been very attentive and considerate, also... Read More their contractors Kamille and Robert. I can't fault them and would recommend Lewis Home Renovations without reservation .
July 13, 2024Paul McCarthyHaving used Lewis Homes back in 2021 for a large conversion of our garage into a summerhouse we were so... Read More pleased with the work we had Rod & his team back to completely strip out our en-suite & family bathroom and refurbish. Both bathrooms were done on time and to set costs and they pushed the bathroom though even though it was close to Christmas but was completed before the holidays as promised. Had a small problem in bathroom (with units not Lewis homes work) but Rod returned to rectify the problem and also re tiled the side of the bath free of charge as it looks better and more practical with kids! Will have back to do more work later this year. Thanks Rod & Kelly
July 8, 2024 - Aisha Siddiq
I recently had the pleasure of working with Lewis Home Renovations for a comprehensive kitchen renovation project at my home... Read More in Amersham. From the initial consultation to the final walkthrough, their team demonstrated a high level of professionalism, expertise, and dedication to ensuring my project came to life. They delivered on their promise of managing the scheme from start to finish with professionalism and care. The end result exceeded my expectations, transforming my kitchen into a beautiful, functional space that I now enjoy every day. I would highly recommend Lewis Home Renovations to anyone looking for a reliable and skilled home renovation company. Thanks Aisha (Amersham)
July 5, 2024




