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Loft Conversion Companies in Hertfordshire

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

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Some of our top rated loft conversion companies in Hertfordshire

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  • Loft Conversion Company in Hertfordshire

    At Prestige Constructionz, we specialise in high-quality building solutions tailored to modern living. From bespoke outbuildings, extensions and full refurbishments to kitchens, bathrooms and loft conversions, we take pride in delivering projects that elevate every structure. With years of experience in the industry, our skilled team ensures exceptional craftsmanship, attention to detail, and seamless project management from start to finish. We work closely with our clients to bring their vision to life—on time, within budget, and with no compromise on quality. Whether you're looking to expand your home, create a luxury garden room, or transform your interior, we’re here to help. Fully insured and committed to professionalism, we offer reliable service, transparent communication and outstanding results every time. Your satisfaction is our top priority.

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  • Loft Conversion Company in Hertfordshire

    We are a building company that always go that extra step to provide a professional and stress free service. Our reputation is key to our success and we build a relationship with our clients based on reliability, communication & trust. Specialise in: Extensions, loft conversion, all roofing, ground works/piling, bathrooms, kitchens, bespoke resin worktops, plumbing, electrics and carpentry.

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  • Loft Conversion Company in Hertfordshire

    About Us: Welcome to Prime Works Constructions! We are a dedicated and experienced residential construction company specializing in high-quality new builds, renovations, and extensions. With a passion for excellence and a commitment to customer satisfaction, we bring your dream home to life with precision and care. Our Services: * New Builds: From initial planning to the final finishing touches, we manage every aspect of constructing your new home. Our team ensures a seamless and stress-free experience, delivering on time and within budget. * Renovations: Whether it's a complete home makeover or specific room upgrades, we transform your existing space into a modern, functional, and aesthetically pleasing environment. * Extensions: Need more space? Our expertly designed extensions blend seamlessly with your existing structure, adding value and comfort to your home. * Custom Projects: Have a unique vision? We specialize in bespoke construction projects tailored to meet your specific needs and preferences.

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  • Loft Conversion Company in Hertfordshire

    Hello, I’m Brilandi Im a self-employer with 5 years experience on carpentry work You’re more than welcome to contact me for any carpentry work in your home

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  • Loft Conversion Company in Hertfordshire

    We're specialist’s in house extensions, refurbishments and Loft conversions in South London and all surrounding suburbs, with the aim to deliver. Everyone that we use for finishing, is a trade. This gives you a very high quality finish that is seldom achieved by a 'General-trade'. We are fast, clean and produce showroom quality. Our individual professionals are more than just people we work with, they are people we know. We make or exceed our deadlines to ensure client satisfaction!

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  • Loft Conversion Company in Hertfordshire

    I'm a friendly and approachable person with vast working experience within the Carpentry/Joinery profession. I am quick in my work yet provide a quality finish. Punctual, responsible and a mature individual, capable of meeting deadlines and working in a pressured or busy environment. I'm an eager multi tasker and competent problem solver with good knowledge of electrics, plumbing and plastering.I have given a lot of dedication to my previous employers/clients, and am always keen to meet new people and discover and learn new things. What I Do --------------------------------- 2nd fix, Windows (Making and Fitting - Experienced in both PVC and Hardwood) Doors, Kitchens,kitchen door replacement,Flooring,cabinet making,stair cases. Work History --------------------------------- 2 years apprenticeship with kitchen company. 9 years making and fitting hardwood windows and doors Recent self-employed jobs include ,2nd fix Carpentry on flat conversions,schools,hotels. Availability - Currently 3 -4 days notice required

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  • Loft Conversion Company in Hertfordshire

    Hi there, I have over 20 years experience in building extensions, landscaping and bathroom refurbishments.

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  • Loft Conversion Company in Hertfordshire

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

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  • Loft Conversion Company in Hertfordshire

    MyBuilder is a UK-based online marketplace and matchmaking platform that connects homeowners with local, reliable tradespeople (such as builders, plumbers, electricians, roofers, and other home improvement professionals. MyBuilder is a UK-based online marketplace and matchmaking platform that connects homeowners with local, reliable tradespeople (such as builders, plumbers, electricians, roofers, and other homes - **For homeowners**: Post a job for free (e.g., extensions, kitchens, bathrooms, roofing, gardening). The platform uses a matchmaking system to alert relevant, verified tradespeople in your area. You receive interest from tradespeople, review their profiles (including past work history, customer feedback, ratings, and references), chat directly, compare quotes, and hire the best fit. No fees MyBuilder is a UK-based online marketplace and matchmaking platform that connects homeowners with local, reliable tradespeople (such as builders, plumbers, electricians, roofers, and other home improvement professionals). Founded in 2018 by Raj (a stonemason and roofer frustrated with traditional ways of finding work), MyBuilder started as a simple idea to help consumers find trustworthy local builders and tradespeople more

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  • Loft Conversion Company in Hertfordshire

    We are a small carpentry/construction firm with over 20 years experience in the trade. Taking on small jobs to large refurb and extensions

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  • Loft Conversion Company in Hertfordshire

    Hi

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  • Loft Conversion Company in Hertfordshire

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

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  • Loft Conversion Company in Hertfordshire

    Knights Roof specialises in top-quality roofing, loft conversions, and timber work. We’re fully insured, highly rated, and committed to clean, timely work on every job. Fast-track roofing service available – because your time matters. With a focus on lasting craftsmanship and customer satisfaction, we treat your home like our own. We don’t just build roofs—we build trust. Free quotes & honest advice—every time.

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  • Loft Conversion Company in Hertfordshire

    We are doing all kind of building works loft conversion, single or double storey extension, new build homes. Also we don’t charge any upfront, we will charge our clients after the work done and approved from building control

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  • Loft Conversion Company in Hertfordshire

    Hi! My name is Viktor. My team and I are professional carpenters with over 7 years of experience in construction. We have received many great reviews from our customers. We specialize in both first and second fix carpentry, as well as any kind of woodwork. We take pride in delivering high-quality craftsmanship, always meeting deadlines and ensuring customer satisfaction. Whether it’s framing, flooring, doors, windows, or custom woodwork, we approach every project with precision and attention to detail. No job is too big or too small — we’re ready to help bring your vision to life.

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5

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Hertfordshire, are rated 5 out of 5 based on 4 reviews from customers like you.

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What services are offered by loft conversion companies in Hertfordshire?

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

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 Hertfordshire loft conversion company.

Find a loft conversion company in Hertfordshire 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 Hertfordshire.

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 Hertfordshire can view your job and register their interest.

Step 2: Review and compare Hertfordshire 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 Hertfordshire 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 Hertfordshire 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 Hertfordshire

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 Hertfordshire?

A local loft conversion company in Hertfordshire 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 Hertfordshire 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 Hertfordshire 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 Hertfordshire

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 Hertfordshire before agreeing to start the work.

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

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

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