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Loft Conversion Companies in West Sussex

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

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Some of our top rated loft conversion companies in West Sussex

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  • Loft Conversion Company in West Sussex

    At all seasons builders and roofers we are a family run company. With a passion for bespoke loft conversions extensions and landscaping. Inspired by traditional craftsmanship. We cut every roof by hand. Ensuring a truly tailored finish. Friendly,reliable,and always on hand with expert advice. We bring dedication to every structural or planning challenge. Let us help you transform your home

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  • Loft Conversion Company in West Sussex

    We are a small family run loft conversion specialist company based in west sussex. At present we only undertake loft conversions. I have worked alongside my father my whole carpentry career and did my apprenticeship with him and we still build lofts together. In my 17 years as a carpenter I have been building loft conversions for 15 of them and started trading with my company late 2018.

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  • Loft Conversion Company in West Sussex

    My business takes on small to large building jobs.I cover maintenance jobs from well known local letting agents. I cover new windows/conservatories/loft conversions and refurbishments.I cover all aspects of building work. I have over 20 years experience of ground work and general building skills. I pride myself on finishing jobs in the time I had originally stated on quote.I have a website where I can upload any new jobs I have undertaken.

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  • Loft Conversion Company in West Sussex

    Established in January 2019, Kemp Carpentry is a fast-growing company with an excellent reputation for great quality carpentry work. We offer several carpentry solutions, ranging from loft conversions and kitchen installations to bespoke built-in wardrobes and the supply and fitting of doors. We undertake work in West Sussex and the surrounding areas, offering free no obligation quotes.

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  • Loft Conversion Company in West Sussex

    I am a fully qualified carpenter with over 15 years experience ,anything from hanging new doors to pitching roof ,decking ,fencing ,loft Conversions and anything within ur carpentry and joinery needs !competent and confident in all aspects of 1st and 2nd fix carpentry

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  • Loft Conversion Company in West Sussex

    Hi, I am Josh, director of J.Iddon Contractors. I have been in the trade for over 15 years working as a carpenter and builder. I am a perfectionist at heart and will only ever accept the highest standards and attention to detail! I love to work with my customers to provide a bespoke and tailored approach to your project. We specialise in undertaking Carpentry and Building projects to residential and commercial customers. We have been operating for 15 years as a sole trader and incorporated as a Limited Company in October 2023. We carry out all forms of Carpentry and Construction within the Surrey/Sussex/London area. We employ only fully qualified and time served trades. who accept only the highest standard of work. Your project will be in safe hands with us. Josh Iddon

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  • Loft Conversion Company in West Sussex

    My name is Callum Day, I’m 31 years old and I have been in the building trade for 15 years and over that time have accrued many skills in all areas of the trade. I have completed many projects big and small, ranging from kitchen and bathroom fitting to full loft conversions and extensions carrying out the vast majority of the work ‘in house’ in order to not rely on incoming trades. I believe in good communication and attention to detail and have a high standard of work.

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  • Loft Conversion Company in West Sussex

    NEW TO MY BUILDER! Re-Gen are a Sussex based construction firm part of Jove Group. Established 25 years ago, we offer a full design and build service and have an expert team of skilled professionals. We work closely with our customers to ensure they feel informed and involved at every stage of a build project, from conception to completion. Restore. Renovate. Regenerate! We undertake a wide range of work from converting large listed buildings into multiple flats to individual bespoke projects. We specialise in period and listed property renovation and have 30s Deco, Victorian town houses and Elizabethan cottages in our portfolio. We take great care to restore original features and preserve the character of a property, protecting many existing fixtures and fittings such as mouldings, doors and fire surrounds. We use ethically sourced, carbon neutral materials from local Sussex suppliers. We double offset the carbon footprint of all projects with certified tree planting in collaboration with E-forests.

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  • Loft Conversion Company in West Sussex

    Hi, my name is Aiden. I am a carpenter/ builder from Worthing West Sussex. I have been in the trade for 13 years now and cover all aspects of carpentry and building. Anything from small repairs, to fitting steels and pitching roofs. I take pride in my work and I always complete jobs to a high quality standard. Please do not hesitate to get in contact for a free quote.

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  • Loft Conversion Company in West Sussex

    We are a new business with over 40+ years of experience in working in the rail sector where quality is everything. We pride ourselves on providing the best quality finish at a reasonably priced rate. Being new we are focussed on giving the best quality finish possible on clients property’s ranging in different types of works for example bricklaying, electrical, plastering, excavating and many more.

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  • Loft Conversion Company in West Sussex

    We are a well established building company with many years of experience in extensions,loft conversions and new builds.We work together with a local architect and can assist you in your project from the drawing of plans to completion of works.We will provide you with a fully itemised quote,schedule of works and client friendly payment plan giving you full control of your project.References can be provided and all our trades are fully qualified in their chosen profession.

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  • Loft Conversion Company in West Sussex

    Hi, my name is Ivan and I’m the owner of IVM HOMES LTD, a professional building and renovation company based in Crawley. We specialise in extensions, loft conversions, kitchen and bathroom installations, and full house refurbishments. Our team delivers high-quality workmanship, reliability, and attention to detail on every project — from small repairs to full property transformations. We take pride in offering honest communication, fair pricing, and excellent customer satisfaction. If you’re looking for a trusted and experienced team to bring your vision to life, IVM HOMES LTD is here to help

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  • Loft Conversion Company in West Sussex

    All aspects of building works: eg complete kitchen installation; loft conversions; loft ladders; roof lights and roof windows; extensions; conservatories; domestic plumbing (except gas); wood flooring; structural works (eg making an opening in load bearing walls); central heating; full refurbishment; doors and windows replacement and repair; etc etc…

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  • Loft Conversion Company in West Sussex

    At Clahn Construction, we offer a full range of construction services tailored to meet the needs of both residential and commercial clients. With over 30 years of experience, we specialise in custom home builds, commercial spaces, land development, and ongoing maintenance. Our expert team is dedicated to delivering high-quality results, on time and within budget.

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  • Loft Conversion Company in West Sussex

    I am a small company that specialises in lofts and extensions and other aspects of building and landscaping.I’m qualified carpenter and been in the trade for 15 years.

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  • Loft Conversion Company in West Sussex

    We are a family run business, covering 3 generations! Fully insured with a very comprehensively qualified team of trades. We have an ongoing contract with a large carehome company doing all their renovations and building works which are always carried out to the highest standard, with safety and quality our top priority. We also work alongside TMK fire safety and carry out all works necessary to ensure their clients are protected and compliant with fire regulations. This ranges from fire sealant, plasterboarding to installation of fire door units. We are used to travelling large distances to and from work as our contract with the care homes requires us to be adaptable and flexible with travel and working hours. We cover a large variety of works from renovations, extensions, conversions to smaller works such as decorating, driveways or fencing. Over the years we have built up a very reliable team of trades that will deliver top quality work.

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5

Top rated Loft Conversion Companies

Our Loft Conversion Companies in West Sussex, are rated 5 out of 5 based on 2 reviews from customers like you.

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What services are offered by loft conversion companies in West Sussex?

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

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 West Sussex loft conversion company.

Find a loft conversion company in West Sussex 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 West Sussex.

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 West Sussex can view your job and register their interest.

Step 2: Review and compare West Sussex 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 West Sussex 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 West Sussex 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 West Sussex

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 West Sussex?

A local loft conversion company in West Sussex 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 West Sussex 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 West Sussex 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 West Sussex

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 West Sussex before agreeing to start the work.

Do I need planning permission for a loft conversion in West Sussex?

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

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