Conversion specialists in Marylebone, West London

Name: Conversion Specialist
Brand: MyBuilder
SKU: conversions-specialist
Rating: 4.8 (55 reviews)

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Some of our top rated conversion specialists in Marylebone, West London

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Haynes Building Services
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
Haynes Building Services are a trusted and professional company providing a full building service dedicated to the highest standards in every aspect of performance with over 30 years experience. We maintain a high level of repeat business through our ability to respond efficiently to clients wishes.
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Latest review:
Bathroom Fitting- 28 Nov 2020
Michael and his team did an excellent job of of fitting my new bathroom. They also redecorated my hall, stairs and landing. So pleased with the result. They were always polite, punctual and very helpful. Would definitely use them again.
Metropol
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
…
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Latest review:
Restoration & Refurbishment- 12 Jan 2026
amazing experience, they did a really really good job and were reliable, on time, had a good attitude. would highly recommend.
Sovereign Building and Roofing
Rating: 4.9 out of 5
Conversion Specialist in Marylebone, West London
Sovereign Roofing and Building Contractors are a local traditional family run professional company covering all various different projects ranging from small repairs to new developments. all our work is carried out in the same professional manor, we believe feedback speaks a lot for our company please read our reviews happy to answer any questions, Regards Sovereign
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Latest review:
Conversions - General- 21 Dec 2020
Excellent work. Communication was great, always available to as questions and we are very happy with the work.
Belburn
No reviews yet
Conversion Specialist in Marylebone, West London
Masters Degree qualified construction engineer working to bring higher quality to the construction industry. 20 years experience in construction. Complete conversions & renovations undertaken, whole process management. No job is too small to be considered.
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Trusted Build London
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
Trusted Build London specialises in high-quality bathroom installations and property refurbishments across London. We take pride in delivering clean, well-organised workmanship with strong attention to detail, durability and high finishing standards. We offer a free site visit to properly assess each project and provide a clear, transparent quotation before any work begins. All work is completed to a high standard and backed by our workmanship guarantee, giving our clients confidence and peace of mind.
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Latest review:
Hard Flooring- 3 Oct 2026
Very happy with the team at Trusted Build London. Very professional and great job fixing flooring in the property as well various minor improvements. Highly recommended.
Home Utility Ltd
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
Home Utility Ltd is your complete construction and property solutions team. From small repairs to full renovations, extensions and major building projects, we handle it all under one roof. Our experienced team delivers quality workmanship, reliable service and professional results across London — taking your project from start to finish. One team. Every trade. Built properly.
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Latest review:
Home Utility Ltd recently carried out a complete renovation of my 4-bedroom house, and the quality of their work is outstanding. From fitting a brand-new kitchen to completely transforming the bathrooms, every aspect of the makeover was handled with great attention to detail. The team was reliable, highly skilled, and managed the entire project seamlessly from start to finish. Finding a contractor that delivers on every promise without hassle is rare, but Home Utility Ltd made the entire process smooth and stress-free. If you are looking for a trustworthy team to handle a major home renovation, I cannot recommend them enough.
SVR CONSTRUCTION
No reviews yet
Conversion Specialist in Marylebone, West London
I have 15 years of experience in North London working for an construction company and now I am starting on my own business for that i don’t have any reviews The company ii worked for they are doing houses for most footballers in Hadleywood
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WS Building
Rating: 4.8 out of 5
Conversion Specialist in Marylebone, West London
I am Builder with 30 years experience in all kind of building projects.Together with my team we can provide for you a complete building service and help with advice in any aspects of building works. We specialise in: conversions, extensions, renovations, reconfigurations, basements, lofts, new kitchens and bathrooms, flooring , doors, gardening, demolition works, roofing, steel installation, plastering, painting and decorating and all others of building works included electric and plumbing.
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Latest review:
Conversions - General- 3 Nov 2025
Very good builder I recommend to anyone
Saybuild Ltd
Rating: 3 out of 5
Conversion Specialist in Marylebone, West London
Saybuild Ltd is my business , my company do most of building jobs. Whit my builder like to go in extensions, refurbishment, bathroom refurbishment, kitchen, garden, lofts.
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Latest review:
Very good builder he don few job to my home all perfect nice and lovely work and clean
Oggitech
No reviews yet
Conversion Specialist in Marylebone, West London
OggiTech is your trusted partner for premium full house refurbishments and complete flat renovations across London. We specialise in delivering high-end, turnkey transformations for homeowners who demand flawless craftsmanship and exceptional attention to detail. Our expertise covers bespoke kitchen fitting, luxury bathroom installations, custom loft conversions, and certified electrical services. From structural changes to the final coat of paint, our dedicated team manages every aspect of your project with professionalism and care. Whether you are modernising a period property or upgrading a contemporary space, we bring your vision to life. Contact OggiTech today to book your free site survey!
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Essex slate and tile roofing specialist
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
Over the past 25 years, I have gained the knowledge and skills to put myself at the forefront of roofing and building. We pride ourselves in customer relations. Here at Essex Slate and Tile we aim to go above and beyond in delivering customer satisfaction, getting the job done first time and within customers budgets.
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Latest review:
Conversions - General- 25 Oct 2023
I recently hired Daniel to remove the fence in my front drive, and I couldn't be happier with the service. Not only was he incredibly friendly, but he also didn't charge an arm and a leg for the job. What really impressed me was how quick he was in completing the task. I would wholeheartedly recommend daniel to anyone looking for similar services. A great experience all around!
All 4 Property Ltd
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
All 4 Property Ltd is a company which successfully meets its customers’ expectations. With 15 years combined experience we provide a professional and honest service from design to completion. Whether you want a loft conversion, an extension or just a new bathroom, All 4 Property will deliver it
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Latest review:
Conversions - General- 4 Dec 2019
Marius was very knowledgeable and the work was carried our promptly and to a good standard by himself and his team. I would recommend him and will use him again.
varba.arch
No reviews yet
Conversion Specialist in Marylebone, West London
I’m an architect/designer have a lot of experience in building work, designing, quality control, gardening/landscaping, list of smaller jobs etc.
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J&J CONSTRUCTION & DEVELOPMENTS LTD
Rating: 4.3 out of 5
Conversion Specialist in Marylebone, West London
J&J Constructions is a trusted, family‑run company with 11 years of dedicated service and over 18 years of hands‑on industry experience. I specialise in high‑quality extension work, general plumbing, handyman services, driveways, and a wide range of general home improvement jobs. My approach is simple: reliable workmanship, honest communication, and a commitment to getting every detail right. Whether it’s a small repair or a full extension project, I bring the same level of care, skill, and professionalism to every job. Customers choose janba Constructions because they know the work will be completed to a high standard, on time, and with pride. If you’re looking for someone experienced, dependable, and genuinely passionate about improving homes, Janba Constructions is here to help.
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Latest review:
Conversions - General- 18 Oct 2026
Latif was excellent, work was done to perfection, and was very competitive in quotes. Will definitely use again!!
MPS Building Services
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
MPS Building Services is a company providing a professional service to the construction industry and our endless client base,providing a high quality service to our clients all over the south east of the country.the service we provide is a professional,friendly,clean and reliable service.
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Latest review:
Conversions - General- 29 Sep 2026
Really pleased with the work Paul and the team at MPS Building Services carried out for us. They installed new structural steelwork to replace the existing beams, and the work was completed to a very high standard. Communication throughout was excellent, they were reliable, tidy and clearly took a lot of care over the job. Everything was left clean and well finished, and the whole process was very straightforward. We’ll definitely be using MPS Building Services again for future work and would happily recommend them.
Almjd
No reviews yet
Conversion Specialist in Marylebone, West London
Fantastic Services, based in London, UK, is a leading provider of home refurbishment, gardening, and handyman services, operating since 2009. With a mission to simplify property maintenance, the company offers a comprehensive range of solutions tailored to both residential and commercial clients across London and surrounding areas. Their home refurbishment services include full property renovations, kitchen and bathroom makeovers, painting, and decorating, all delivered by skilled tradespeople who prioritize quality and precision. In gardening, Fantastic Services excels in landscape design, lawn care, hedge trimming, garden clearance, and maintenance, ensuring outdoor spaces thrive year-round. Their handyman services cover everything from minor repairs, such as fixing leaky taps or hanging shelves, to complex tasks like furniture assembly and electrical or plumbing work, with a team of insured, experienced professionals equipped with the right tools. What sets Fantastic Services apart is their commitment to customer convenience, offering flexible scheduling, same-day appointments, and a user-friendly online booking platform via the GoFantastic app. They emphasize transparency with upfront quotes, no hidden fees, and a Fantastic Club membership for exclusive discounts. With a focus on reliability, safety (all tradespeople carry public liability insurance up to £1 million), and customer satisfaction, Fantastic Services has built a strong reputation. Their dedication to high standards and eco-friendly practices makes them a trusted choice for transforming homes and gardens throughout the UK
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4.8

Top rated Conversion Specialists

Our Conversion Specialists in Marylebone, West London, are rated 4.8 out of 5 based on 55 reviews from customers like you.

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What types of services are offered by conversion specialists in Marylebone, West London?

Conversion specialists are the people you need to make underused areas of your home practical and fit for purpose.

If you need to increase your living space and improve its functionality, a conversion specialist can help with:

Loft conversions: Turning attics into bedrooms, offices, or storage spaces.
Garage conversions: Transforming garages into living areas, studios, or utility rooms.
Basement conversions: Creating usable living spaces in previously underutilised basements.
Barn and outbuilding conversions: Updating detached buildings for modern use, such as guest accommodation or home offices.
Internal reconfigurations: Knocking through walls, creating open-plan layouts, or combining rooms.
Commercial-to-residential conversions: Adapting offices or shops into homes.

No matter the tasks of your conversion project, MyBuilder makes it easy to find local conversion specialists near you. Simply post your job and receive responses from conversion professionals in Marylebone, West London who are available to take on your project.

Costs of conversions in Marylebone, West London

Conversion costs in Marylebone, West London vary widely depending on the type of work, the size of the space, and the materials involved.

As a rough guide, here’s what you can expect to pay for different conversion tasks:

Loft conversions costs: £40,000–£65,000+
Garage conversion costs: £15,000–£25,000
Basement conversion costs: £60,000–£120,000+
Barn and outbuilding conversions: £30,000–£80,000+
Internal reconfigurations: £5,000–£20,000
Commercial-to-residential conversions: £50,000–£150,000+
Hourly labour rate: £20–£35 per hour
Daily labour rate: £160–£280 per day
Demolition and removal costs: £500–£5,000+

Note: Material costs can vary widely depending on the type of conversion and the finishes you choose. For example, structural steel, roofing, and high-spec windows can increase costs significantly, while insulation or interior finishes may be more moderate. Discuss this ahead of time with any potential conversion specialists to ensure you get the right quote.

If you’re seriously considering a conversion for your home, Marylebone, West London conversion specialists will be the best source of accurate pricing information. Find your preferred conversion specialists near you to ask for a quote tailored to your project specifics.

Find a conversions specialist in Marylebone, West London with MyBuilder

Converting part of your home is a big investment, so finding the right tradesperson is key to ensuring a smooth and successful project. MyBuilder connects you with verified conversion specialists in Marylebone, West London, giving you control over who you hire and how you manage your project.

Step 1: Post your job on MyBuilder for free

Start by describing the type of conversion you need on our platform. Give as much detail as you can! You can also include images to give tradespeople a better idea of the work you would like completing. Once posted, your job is shared with conversion specialists in Marylebone, West London.

Step 2: Review and contact Marylebone, West London conversion specialists

You can browse company profiles to find the right Marylebone, West London conversion specialist for you, check out previous work, and read genuine customer feedback. Once you’ve decided on some potential conversion specialists, you can reach out to discuss the project details further and request detailed, itemised quotes that outline labour, materials, and timelines, helping you compare options clearly before making a decision.

Step 3: Make your final choice

Now that you’ve gathered the information and received detailed quotes from Marylebone, West London conversion specialists, you can easily make your final choice in just a few clicks.

By comparing prices, timelines, and approaches, you stay fully in control of who you hire and how your conversion is carried out. Once you’ve selected the right tradesperson for your project, you can arrange a suitable date and time, and get your conversion underway!

MyBuilder verifies each tradesperson when they join by checking ID, company registration, and relevant qualifications for regulated industries. Post your conversion job on MyBuilder today and start receiving responses from interested conversion specialists in Marylebone, West London.

FAQs: Questions about Marylebone, West London conversions

How do I find available conversion specialists in Marylebone, West London?

You can find local conversion specialists through platforms like MyBuilder, where you can compare profiles, reviews, and quotes to help you choose the right professional for your project.

How long does a typical home conversion take?

Most home conversions take between 4 and 12 weeks, depending on the size, complexity, and type of project. Larger structural changes or regulatory approvals can take longer.

Are conversion specialists required to have insurance in Marylebone, West London?

Yes, reputable conversion specialists typically hold public liability insurance to cover potential damage or accidents during the project. Some may also carry employer’s liability or professional indemnity insurance, depending on the work.

Do conversion specialists in Marylebone, West London offer warranties or guarantees on their work?

Many conversion specialists offer warranties or guarantees for workmanship and structural integrity, though the terms and duration vary by company. Always confirm what’s included before hiring.

Can a conversion specialist in Marylebone, West London help with planning permission and building regulations?

Yes, many conversion specialists can advise on planning permissions, submit applications, and ensure your project complies with building regulations, although some homeowners choose to handle these steps themselves.

How far in advance should I book a Marylebone, West London conversion specialist?

It’s best to book at least 2–4 months in advance, especially during busy periods like spring and summer. Specialist conversions may require even longer lead times.

Can conversion specialists handle design as well as construction, or will I need an architect too?

Some conversion specialists offer design-and-build services, managing both stages of the project. For more complex conversions or structural changes, you may still need to involve an architect or structural engineer.