Conversion Specialists in Marylebone, West London

Name: Conversion Specialist
Brand: MyBuilder
SKU: conversions-specialist
Rating: 4.8 (52 reviews)

Easily find verified Marylebone, West London Conversion Specialists. Just post your job to get quotes from MyBuilder's Conversion Specialists in Marylebone, West London.

Select a service

How it works

Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

Browse profiles, work history, and feedback, then choose who you wish to share your details with.

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

1338 Results

Sort by:

HOMES ON DEMAND DEVELOPMENT PROJECTS LTD
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
Main works are extentions covering all aspects such as Kitchen, Bathroom installs, Plastering, Studwalls, Lay various styles of flooring. We do all aspects of electric works even the smallest sides such as changing face plates to a full rewire.
Get in touch
Latest review:
His workmanship was excellent as to was the professional attitude he displayed throughout the job. And last but not least his reliability was 100%.
PBS Contracts (Design&Build) Ltd
No reviews yet
Conversion Specialist in Marylebone, West London
PBS Group UK is the trading name for PBS Contracts (Design & Build) Ltd - family run, multi discipline, construction and bespoke architectural joinery fabricators established over 10 years ago. We operate from our 10,000sqft office and joinery workshop in Park Royal, NW10. We employ approx. 40-50 staff both within the workshop, on-site and in the office, including a Project Manager, Site Managers and supervisors overlooking a talented workforce.
Get in touch
Making Rooms Ltd
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
We are a south London-based building firm that specialises in breathing new life into homes. We work closely with our clients,alongside visionary architects, engineers and designers to unleash potential in their house and realise new and improved spaces. Whether your house requires expansion,our team of specialists work tirelessly to deliver the perfect home for you. Making Rooms are a group of passionate and multitalented individuals whose soul mission is to make your living spaces better.
Get in touch
Latest review:
Extensions- 25 Jul 2024
Garden Room done to ridiculous standard. See pics. 5 star work from the lads.
Steve Howell man with a trowel builder, property maintainance ,handyman
Rating: 4.9 out of 5
Conversion Specialist in Marylebone, West London
Hi my name is Steve and i am a bricklayer by trade. I have done a 4 year apprenticeship in city and guilds so i am fully qualified I have 35 yrs experience I have a great sence of houmour and easy to work with, thats Steve howell man with a trowel I take on a small extension work and project manager the hole thing from start to finish Also small jobs fencing, gutter repairs, plastering etc I will also do the handyman jobs as well Hope this helps
Get in touch
Latest review:
Conversions - General- 11 Jan 2023
Fantastic work by Steve to fit a new window in an external wall for us. He took care of everything and was a big help in suggesting the right size window and getting the placement perfectly on the wall. Steve and his team were efficient, tidy (on what was a messy job with all the brick dust) and left a great finish. New window fits in perfectly with the rest of the house.
Carnot Construction Limited
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
Carnot Construction are committed to ensuring our clients are satisfied from beginning to end, we aim to take the stress out of building work and complete all projects as swiftly and cleanly as possible. We ensure our clients are in safe hands with strict contracts in place to protect both parties. We specialise in Extensions, New builds, Loft Conversions, General Conversions, Kitchen and bathroom renovation/fitting.
Get in touch
Latest review:
Extensions- 15 Aug 2018
100% RECOMMENDED Michelle and her partner measured up and competitively quoted within a short space of time. She was then very patient and supportive when unforeseen planning issues popped up and set the start date back by quite some time. Once building started, all questions were promptly answered by either the site manager or Michelle, both being available at all times. I was away for the duration of most of the job and it was very reassuring to know that I was leaving it all in capable and honest hands. The workers were very proficient and tidied up after themselves at end of each day. They also put in some very long hours at times to hasten the work. I was also impressed by the handling of unexpected problems during the building (mainly invasive tree stumps!). I am absolutely thrilled with the end result. High quality workmanship and a beautiful building which I am sure will last many years. I would certainly recommend them without a doubt.
AZR BUILD LIMITED
No reviews yet
Conversion Specialist in Marylebone, West London
I have experience in loft extensions, decorating, painting, and pointing. I work on projects delivering excellent customer service and high-quality results. Available for jobs across London, Kent, and Grays. I’m reliable, professional, and committed to delivering high-quality results on every project. I take pride in excellent customer service, attention to detail, and completing work efficiently and safely. My goal is always to exceed client expectations, making me the best choice for your job.
Get in touch
PMBuilding Ltd
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
We are a family run business of over 15 years. We believe in no “I” in the team and you will certainly spot it easily, if you ever have an opportunity to work with us. We are a building company that does it all differently. Meet us and find out for yourself!
Get in touch
Latest review:
Extensions- 29 Jan 2015
PM Building epitomise what a modern day, professional building firm should aspire to be. Transparent pricing, a friendly team working 6, sometimes 7 days a week to get the job done quickly, an eye for detail and very high standard of final finish. All comms and the overall work is run through Bart, who answers to phone, text or email quickly and frequently outside normal working hours. This is ideal if you work during the day and cannot be around to oversee things directly. We also got PM Building to make us a bespoke kitchen, again very high quality and millimetre perfect. If I had to find some negatives, they are not the cheapest company you could find, but there again you get what you pay for; also, we developed a few issues with some retaining walls in the garden, however, they returned when I contacted them long after the work had finished and fixed them! All in all, an excellent, honest and professional company to deal with. I would, and have, recommended them to friends...nuff said.
AP Holloways
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
A P Holloway’s Construction Ltd is a leading and reputable Construction Company serving central London, Kent and Surrey. We take on all types and sizes of projects, and cover all aspects of residential and commercial construction.
Get in touch
Latest review:
Conversions - General- 7 Dec 2023
Hired Alfie to advice on knocking down a partition wall. It went great.
Dan’s Team Projects Ltd
No reviews yet
Conversion Specialist in Marylebone, West London
25 y of experience in building sector. Working as a multi trade person for companies now set up own . Always good communication and problem solving.
Get in touch
Christian construction services ltd
No reviews yet
Conversion Specialist in Marylebone, West London
Cristian Construction Services Limited | Building with Confidence, Quality and Experience. Cristian Construction Services Limited is a professional construction company delivering high-quality residential and commercial projects, from complete refurbishments and structural alterations to new-build homes and larger developments. We have the experience, resources and expertise to manage projects of different sizes and complexity. Our current portfolio includes a hotel development currently under construction, demonstrating our capability to successfully undertake and manage substantial construction projects alongside residential work. Our services include: -New Build Houses -Residential & Commercial Construction -Full Property Refurbishments -Loft Conversions -House Extensions -Structural Alterations -Hotel Construction & Refurbishment -Swimming Pool Construction -Kitchen & Bathroom Renovations -Roofing -Carpentry & Joinery -Plastering & Rendering -Flooring -Interior & Exterior Decorating -Property Maintenance -Complete Project Management From the initial discussion through to completion, our focus is on quality workmanship, professional project management, clear communication and attention to detail. We can manage the complete construction process, coordinating the different trades required throughout the project and providing our clients with a reliable single point of contact. Why choose Cristian Construction Services Limited? We are fully insured with cover of up to £10 million and stand behind the quality of our workmanship with a guarantee on our work, giving our clients additional confidence and peace of mind. Whether you are planning a brand-new home, loft conversion, extension, complete property refurbishment, swimming pool or commercial development, we are ready to discuss your requirements and provide a professional quotation. We welcome both residential and commercial enquiries and are committed to building long-term relationships based on trust, reliability and consistently high standards. For more Info, please visit our website
Get in touch
MEL&B
No reviews yet
Conversion Specialist in Marylebone, West London
Multi trader ..on general building loft and extansions ..capentry 1st and 2nd fix .painting.. wood work and wood flor .. kitchens ..garden fances slabs and under ground pipe work. Maintenences
Get in touch
Rik Orts-Hansen Design Limited
No reviews yet
Conversion Specialist in Marylebone, West London
I have 30 yrs experience as an Architectural Designer. We have won several international architectural competitions, with work exhibited at the Venice Biennale. We provide: Concept Design & Drawings Complex Planning Applications; Master Planning; Sustainable Eco Homes; Cross Laminated Construction; Accessible Design; Building Conservation; New Home Builds; Contemporary Design; Turn Key Projects; Bespoke Joinery; Sustainable Design; Project Management; Integrated Landscape Design
Get in touch
London Decorations and Refurbishment Ltd
Rating: 4 out of 5
Conversion Specialist in Marylebone, West London
London Decorations and Refurbishment Ltd Building Better Homes Across London ABOUT US At London Decorations & Renovations Ltd, we specialise in high-quality home improvements designed to transform properties into modern, functional, and beautiful living spaces. With experience across residential construction, extensions, refurbishments, and bespoke renovations, we deliver projects with professionalism, transparency, and attention to detail from start to finish. Whether you are planning a house extension, full refurbishment, loft conversion, or interior upgrade, our team is committed to providing reliable workmanship and exceptional customer service.
Get in touch
Latest review:
Carpentry- 15 Jul 2026
The builder left some jobs not completed and he not answering my call, also he costed my some money because a misunderstanding the order, he finished 90% of the work. So l need to finish the remaining staff and add extra job to do.
Primavera Construction LTD
No reviews yet
Conversion Specialist in Marylebone, West London
We specialize in domestic projects (inc. home extensions, loft conversions, refurbishments and new builds), delivering projects from design concept (Planning Stages) through to Construction and Turnkey Completion. CONSTRUCTION EXPERIENCE: 8 yrs working on complex £100M+ projects across London, 2 yrs working on new build £5M+ project in Chigwell, as well as many smaller domestic projects. PLANNING EXPERIENCE: 10+ yrs of securing planning applications across London and the surroundings.
Get in touch
Treewood Ltd
Rating: 5 out of 5
Conversion Specialist in Marylebone, West London
Welcome to Treewood Ltd. Treewood Ltd offers professional and wide range of construction services; conversions, extensions, decorating, bespoke furniture, flooring, metalwork and many more. Our mission is to deliver high quality services to everyone who is passionate about our innovative options of designing styles also add the value to people lifestyles through following individual preferences, making certain that customers receive what they expect.
Get in touch
Latest review:
Conversions - General- 21 May 2019
Very satisfied just got on with the job it’s a very messy business but they kept it to a minimal amount well done guys
BRI BASE Ltd
No reviews yet
Conversion Specialist in Marylebone, West London
I'm Ahsan Chohan, from BRAND BOA construction, a UK-based construction estimation and building services company specializing in precision estimating worldwide. We provide expert construction quantity takeoffs, cost estimates, and comprehensive building services including building extensions, new builds, interior finishing, refurbishment, MEP (Mechanical, Electrical, Plumbing), masonry, and general construction work. What sets us apart is our commitment to precision estimating and deep understanding of the UK construction market. Whether you're planning extensions, new builds, refurbishments, or specialized construction projects, we deliver reliable solutions that prevent costly overruns and delays. Our team combines technical expertise with practical industry knowledge, ensuring every project meets the highest standards of safety, quality, and accuracy. We focus on building long-term partnerships with clients who value expertise, reliability, and results.
Get in touch

4.8

Top rated Conversion Specialists

Our Conversion Specialists in Marylebone, West London, are rated 4.8 out of 5 based on 52 reviews from customers like you.

Quality screening

Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

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.