Describe your job with details to view a tailored list of tradespeople.
Post your job

Loft Conversion Companies in Mill Hill

Easily find verified Mill Hill Loft Conversion Companies. Just post your job to get quotes from MyBuilder's Loft Conversion Companies in Mill Hill.

How it works

Post your job for free

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

Tradespeople respond

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

Review profiles and choose

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 loft conversion companies in Mill Hill

1588 Results

Sort by:

  • Loft Conversion Company in Mill Hill

    professional approach to various types of work. qualitatively and reliably.

    Get in touch
  • Loft Conversion Company in Mill Hill

    Roofing, bathrooms, plumbing, plastering, decorating, tiling, panelling, stone worktops, electrical, extensions and roof conversions, kitchens, wooden flooring

    Get in touch
  • KL Interior Architecture and Construction Limited™ has been working in interior design and construction business over the last 20 years. We are ready to serve

    Get in touch
  • Loft Conversion Company in Mill Hill

    All works are undertaken

    Get in touch
  • Loft Conversion Company in Mill Hill

    We are a team that renovate houses into homes at a fair price without compromising on quality. We treat our projects as our own home and deliver the projects to excellent standards within time, quality and cost.

    Get in touch
  • Loft Conversion Company in Mill Hill

    Jassi Group is a professional property development and construction company with over 15 years of experience. We specialise in bespoke home extensions and residential building projects including garage / loft conversions. We pride ourselves on quality craftsmanship, efficient project management, and delivering results that enhance both living space and property value.

    Get in touch
  • Loft Conversion Company in Mill Hill

    Sukh Construction and Roofing – Building Trust, One Project at a Time Sukh Construction and Roofing is a vibrant company committed to providing dependable, accurate, and honest construction and roofing solutions. Based on a foundation of craftsmanship and innovation, we specialize in residential and commercial projects—covering everything from new constructions and remodels to roof installations, repairs, and maintenance. Sukh Construction and Roofing prioritizes the needs of its clients by combining cutting-edge construction methods with reliable materials to guarantee that each project is long-lasting. While maintaining projects on time and within budget, our team is dedicated to safety, sustainability, and surpassing client expectations. Sukh Construction and Roofing is here to provide long-lasting results and peace of mind, whether you're building your ideal home, renovating your property, or safeguarding your investment with a sturdy roof.

    Get in touch
  • We are experienced in over field to manage any size off job

    Get in touch
  • Loft Conversion Company in Mill Hill

    We are a group made of 10 -15 people. We take on any job as we have a very skilled team. I believe we lead them well and we are very experienced. We work along with Gjoka Developer (24years of experience) & AR CONSTRUCT (13 years of experience). We literally take on any project as we do all the kinds of jobs such Renovations, house extension, lofts, gardens, electrics, plumbing, roofing etc etc. Don't hesitate, getting in touch doesn't cost, we offer free advise and estimates.

    Get in touch
  • Loft Conversion Company in Mill Hill

    Don Buildings Ltd Client satisfaction is our primary concern and goal. If you are looking for top quality efficient and professional service, so look no further Don Buildings Ltd is here for you For and on behalf of Don Buildings Ltd, Donatas

    Get in touch
  • Loft Conversion Company in Mill Hill

    We are in construction for 26 years. Our specialities are Kitchen and Bathroom refurbishments, and can happily provide uncountable amount of reference photos. Please check our profile page for reference photos (the gallery here is limited for 21 pictures only) We'd be pleased if you consider to contact us for a free estimate without any obligation. Appreciate your time. Thank you. Miklos

    Get in touch
  • Loft Conversion Company in Mill Hill

    general builder with many years of experience in the industry, my specialty is landscaping and painting and decorating

    Get in touch
  • Loft Conversion Company in Mill Hill

    I am Azem Qarri, 26 years old. I have 8 years of experience as a builder/handyman. I am experienced on :re-sealing bathrooms, installation of toilets, showers and bathroom cabinets.Lights,Home Improvements,Extensions, Flooring,Tiling,Kitchen fitters,Plumbing and Lofts! My service is clean and tidy and I I pride myself with my reliability! Please do not hesitate to contact me!

    Get in touch
  • Loft Conversion Company in Mill Hill

    We are a dedicated construction and renovation company delivering high-quality work across residential and commercial projects. From small repairs to full-scale builds, we handle every stage with precision, reliability, and attention to detail. Our goal is simple: to bring your vision to life on time, on budget, and to the highest standard.

    Get in touch
  • Loft Conversion Company in Mill Hill

    We are a construction company operating from 2018 but have been working in the construction industry for 20 years with a lot of experience in our portfolio. We can cover projects from new build, extentions, loft conversions, full refurbishment, drainage, patios, gardening ect. We would be happy to help with any of your needs for improving your home.

    Get in touch
  • Loft Conversion Company in Mill Hill

    We are working since 2000 in construction industry,we do extensions,loft conversions, kitchen,bathroom,heating and plumbing,electrical, gas certificates,

    Get in touch

4.1

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Mill Hill, are rated 4.1 out of 5 based on 8 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 services are offered by loft conversion companies in Mill Hill?

Converting a loft often entails many jobs - some of which you likely haven’t even considered! Fortunately, a professional loft conversion company in Mill Hill will be able to handle multiple services, ensuring your transformed loft is fit for purpose.

Some of the services loft conversion companies can provide include:

  • Full loft conversions: Complete design and build projects when structural alterations are needed

  • Dormer loft conversions: Add extra headroom and floor space with a dormer extension

  • Velux or rooflight conversions: Ideal for lofts with good existing height; minimal structural change required

  • Hip-to-gable conversions: Extend the sloped roof to create more usable space

  • Mansard conversions: A major structural change offering maximum space.

  • Loft storage conversions: Add flooring, lighting, and insulation for clean, usable storage

  • Skylight or roof window fitting: Install natural light solutions like Velux windows

  • Staircase installation: Design and build bespoke stair access to your new loft

  • Insulation, heating, and ventilation upgrades: Ensure comfort and compliance with energy standards

  • Design and planning services: Architectural drawings, planning permission, and building regulation approval

Post your job to MyBuilder and you'll be matched with loft conversion companies in Mill Hill who are interested and available to help. And with the reviews of past customers and the freedom to compare the quotes of similar tradespeople, all in the same place, the ball’s in your court.

Average costs of loft conversion companies in Mill Hill

Loft conversions tend to be charged on a project basis, rather than by the hour, as they often involve weeks or even months of work.

The cost of your loft conversion depends on a few things, including the style of loft conversion and materials you choose and the size of your property.

That being said, here are average prices for common types of conversion work:

  • Full loft conversions: £45,000–£70,000+
  • Dormer loft conversions: £55,000–£85,000+
  • Velux or rooflight conversions: £25,000–£45,000
  • Hip-to-gable conversions: £50,000–£80,000+
  • Mansard conversions: £70,000–£100,000+
  • Loft storage conversions: £10,000–£20,000
  • Roof window fitting or skylight installation costs: £1,000–£2,500 per window
  • Staircase installation costs: £2,000–£5,000
  • Insulation, heating, and ventilation upgrades: £2,000–£6,000
  • Design and planning services: £1,500–£4,000

Take a look at our guide to loft conversion costs to get a more detailed breakdown of the different options available when using a Mill Hill loft conversion company.

Find a loft conversion company in Mill Hill with MyBuilder

When you’re planning major work like a loft conversion, you’ll want to find the right tradesperson for the job. The great news is, MyBuilder has already done all the time-consuming work for you.

All you need to do is post your job on MyBuilder, completely for free, and we’ll share it with loft conversion companies near you in and around Mill Hill.

Step 1: Post your job on MyBuilder

Provide a detailed description of your loft conversion project, including the type of conversion you want, any structural changes, preferred materials, and your ideal timeline. Once posted, local loft conversion companies in Mill Hill can view your job and register their interest.

Step 2: Review and compare Mill Hill loft conversion companies

Browse the profiles of interested loft conversion companies. On MyBuilder, you can view photos of previous projects alongside customer reviews, compare quotes, and see the types of conversions they specialise in.

Step 3: Contact and discuss your project

Once you’ve reviewed local Mill Hill loft conversion companies, you can reach out to those that interest you to ask questions, clarify details, and request more specific quotes. At this stage, be sure to discuss vital aspects like planning permission, design options, and estimated timelines to ensure the company meets your requirements.

Step 4: Hire the right Mill Hill loft conversion company

Once you’re satisfied with their experience, quotes, and approach, you can confirm your hire and start planning your loft conversion.

You can also take a look at our loft conversion specialist hiring guide to help inform your choice. All tradespeople undergo checks at registration - such as verifying ID documents, company details, and certifications for regulated jobs and doing skill assessments - allowing you to hire with confidence.

Questions to ask local loft conversion companies in Mill Hill

Choosing the right loft conversion company for your job requires finding someone who understands your home and your goals.

Find out which company can share your vision by asking the following questions:

What experience do you have with loft conversions in Mill Hill?

A local loft conversion company in Mill Hill will know the types of properties and building styles common in your area, as well as the planning and building regulations that apply. Ask about similar projects they’ve completed locally.

Are you insured, and do you offer a warranty for your work?

Insurance protects your home during the loft conversion process, while a warranty shows the company’s confidence in the quality and durability of their work.

How do you handle planning permission and building regulations?

Established loft conversion companies in Mill Hill should understand local planning rules and building regulations. Ask how they’ll manage permissions, inspections, and compliance to avoid delays or legal issues.

What is included in your quote?

Ensure the quote covers all essential aspects of the loft conversion: structural work, windows or skylights, staircases, insulation, labour, and any additional fees. Understanding this upfront prevents unexpected costs later.

Do you manage the project from start to finish?

Some Mill Hill loft conversion companies offer full project management, coordinating architects, builders, and tradespeople. Others may only handle part of the conversion. Clarifying this early on helps you understand what support to expect.

FAQ: Common questions about loft conversions in Mill Hill

How long does a loft conversion take?

Typically, a loft conversion can take between 6 and 12 weeks, depending on complexity, planning permissions, and any structural work required. Be sure to discuss the timeline with any potential loft conversion companies in Mill Hill before agreeing to start the work.

Do I need planning permission for a loft conversion in Mill Hill?

Many loft conversions fall under permitted development, but some require planning permission, especially if you’re adding a dormer, extending the roof, or living in a listed building. A professional Mill Hill loft conversion company can advise and handle permissions for you.

Will a loft conversion affect my home insurance?

Yes, you’ll need to update your home insurance to cover the conversion. Inform your provider about structural changes, additional rooms, and any changes to utilities or heating systems.

Can I stay in my home during the loft conversion?

Many loft conversions allow you to remain in your home, though noise and dust are inevitable. Some Mill Hill loft conversion companies offer strategies to minimise disruption, but in complex projects, temporary relocation may be advisable.

Other tradespeople in Mill Hill

Cities