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

Loft Conversion Companies in Pentonville

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

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 Pentonville

1814 Results

Sort by:

  • Loft Conversion Company in Pentonville

    We have been on the construction field for last 16 years, we cover every aspect of building work from commercial to residential. We do extension, loft conversion, landscaping, interior design, new build also full maintenance.

    Get in touch
  • Loft Conversion Company in Pentonville

    At Cannon Construction & Carpentry we offer a wide range of services that cater to both residential and commercial cliens. We specialise in new builds and extensions undertaking the project management of the whole project from foundations to final decorations. We ensure projects are finished on time with a high quality finish.

    Get in touch
  • Loft Conversion Company in Pentonville

    New build • Full House Refurbishment • Extensions & Loft conversions

    Get in touch
  • Loft Conversion Company in Pentonville

    JBL Developers is a professional residential and commercial property‑development company, fully registered at Companies House. Visit our website to explore our portfolio and services. With a focus on quality, integrity and client satisfaction, we deliver bespoke renovations, refurbishments, conversions and new builds, tailored to your vision and budget. From the initial consultation through design, planning, build and hand‑over, our experienced team manages every phase with transparent communication and attention to detail. Whether it’s transforming a single room, overhauling a full home or developing a larger project, we ensure projects are completed on time, on budget and to the highest standards. At JBL Developers we believe in building lasting relationships and creating spaces that are not only aesthetically pleasing but functional, sustainable and built to last. Get in touch at to find out how we can bring your property ambitions to life.

    Get in touch
  • Loft Conversion Company in Pentonville

    We have been a running family business for over 20 years. Most of our work has been through word of mouth and recommendations. We take on all aspects of the building trade. Starting from as small as hanging a picture( by our reliable handy men) to as big as building you a home. We provide free quotes and can provide references from previous completed jobs. For further information don't hesitate to get in touch. Many thanks ARG Builders

    Get in touch
  • Loft Conversion Company in Pentonville

    Transhomes limited is a registered home improvement company offering range of services from extension to loft conversion. Our services includes extensions,loft conversions, kitchens and bathrooms, and all aspects of building work. We have public liability insurance and employers liability insurance

    Get in touch
  • Loft Conversion Company in Pentonville

    We are a building and construction company with over 25 years experience. We can undertake complete refurbishment of residential properties, including structural alterations, extensions and substantial conversions. We provide a complete end to end service & professionally manage projects working with (if required) your architects. Whether it is a small extension, refurbishment or a major reconfiguration we have the experience and capability to complete the works to the highest standards.

    Get in touch
  • Loft Conversion Company in Pentonville

    I am professional builder with an experience of 17 years in the building industry and track record of successful projects . I am committed to deliver high standard of quality work which is completed on agreed time scale within the given budget. Starting from beginning till end, customers satisfaction is my priority , which is why I am able to turn visions into reality. You can really on us as our core values are- strong foundations, beautiful designs and lasting value. My vision as a builder is to build the dream house for my customers, so you can trust us in bringing architectural visions to life. You can rely us on as we do cater the needs of our customers, provide attention to every aspect and complete the work to high standards. We do discuss each step of the work with the customer and build a long lasting relationship with customers.

    Get in touch
  • Loft Conversion Company in Pentonville

    Design services including architectural design, interior design and landscaping: - Work Drawings. - 3D Rendering. - Building materials calculation.

    Get in touch
  • Loft Conversion Company in Pentonville

    Loft conversion, Extensions, kitchens,bathrooms and decorating

    Get in touch
  • Loft Conversion Company in Pentonville

    We have experience more then 2 years in roofing. We have experienced and trained staff and we offer the free inspection.

    Get in touch
  • Loft Conversion Company in Pentonville

    An experienced and dedicated builder with over 10 years of hands-on experience in residential, commercial, and industrial construction projects. Proficient in a wide range of building techniques, including loft conversion, house extension, house renovation etc, with a focus on quality, safety, and client satisfaction

    Get in touch
  • Loft Conversion Company in Pentonville

    •Contact for any kind of building works •We provide quality work in reasonable prices. •We are specialist in renovation, Extension, Bathroom and Loft with or without conversion and New Build. •virdidesignandbuildessexltd@gm.....

    Get in touch
  • Loft Conversion Company in Pentonville

    Kelly Griffin -Roofing -Scaffolding -Roofline -Loft Conversions

    Get in touch
  • Loft Conversion Company in Pentonville

    I work in double glazing field from last 15 years. I can work anywhere.I can double glazed windows,doors including aluminium one.

    Get in touch

4.4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Pentonville, are rated 4.4 out of 5 based on 11 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 Pentonville?

Converting a loft often entails many jobs - some of which you likely haven’t even considered! Fortunately, a professional loft conversion company in Pentonville 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 Pentonville 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 Pentonville

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 Pentonville loft conversion company.

Find a loft conversion company in Pentonville 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 Pentonville.

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 Pentonville can view your job and register their interest.

Step 2: Review and compare Pentonville 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 Pentonville 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 Pentonville 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 Pentonville

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 Pentonville?

A local loft conversion company in Pentonville 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 Pentonville 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 Pentonville 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 Pentonville

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 Pentonville before agreeing to start the work.

Do I need planning permission for a loft conversion in Pentonville?

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 Pentonville 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 Pentonville loft conversion companies offer strategies to minimise disruption, but in complex projects, temporary relocation may be advisable.

Other tradespeople in Pentonville

Cities