Loft Conversions in West Sussex

Maximise Your Home’s Potential

Looking to add more space without moving home? A loft conversion by Apex Lofts & Construction is the smart way to unlock your property’s full potential. From concept to completion, we create stunning, functional spaces that are tailored to your lifestyle and built to the highest standards.

Transform Your Loft into a Space You’ll Love

Designed Around Your Lifestyle and Vision

Every home, and every client is different. Whether you’re dreaming of a spacious master suite, a bright home office, or a peaceful retreat, our team works closely with you to design a conversion that suits your needs, style, and budget.

A Cost-Effective Way to Increase Space and Value

A well-designed loft conversion gives you more room to live without giving up any of your garden, and makes everyday living better in the home you already have. If the loft is not the right fit for your house, a house extension can add the space on the ground floor instead.

Aerial view of a detached house with roof windows on a residential street

What Our Clients Say

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Charlotte Taylor
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⭐️⭐️⭐️⭐️⭐️ Really pleased with our new garden office and the finished result. The team did a great job and we’re very happy with the quality of the work and how the space has turned out. As with most building projects, there were a couple of things that needed resolving along the way, but everything was handled professionally and the team worked with us to make sure we were happy with the outcome. They were friendly, helpful and responsive throughout, and clearly took pride in getting everything right. We absolutely love the finished space and wouldn’t hesitate to recommend them.
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Christophe profile picture
Christophe
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We used Apex to carry out a full house refurbishment with loft conversion. They were very professional throughout the whole process delivered a high quality project. Would highly recommend.
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Kakurusi Kasereka profile picture
Kakurusi Kasereka
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Cet en forgent qu'on devient forgeron.
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rosie stowell profile picture
rosie stowell
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Apex did our loft conversion this year and we would definitely recommend them. They were really hard-working, efficient, respectful and produced a great final finish. We also appreciated being kept well informed as the job progressed. Thanks to all the guys at Apex, great job.
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Joseph Harrington profile picture
Joseph Harrington
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Loft conversion. Very happy with the all the work done. On time on budget and really good to deal with theoughout.
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Jamie Pugh profile picture
Jamie Pugh
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Apex were great to work with and we are really pleased that we chose them to do our loft conversion. Easy communication and clear payment schedule. Carpenters were particularly great. No question or query from us too much of a problem. They were great to work with a would definitely recommend them. We’re really happy with our new loft.

Types of Loft Conversions We Offer

Dormer Loft Conversions

Ideal for creating additional headroom and floor space, dormer conversions are a popular choice for semi-detached and terraced homes.

Hip to Gable Loft Conversions

Perfect for homes with hipped roofs, this style extends the roofline to create a full-width room.

Mansard Loft Conversions

A more extensive conversion that creates maximum space, often suitable for period properties in urban areas.

Velux / Rooflight Conversions

A cost-effective option where the roof structure remains untouched and natural light is introduced via skylight windows.

Why Choose Apex?

We Maximise Your Property’s Potential

From loft conversions to full refurbishments, we help you make the most of your home’s space, flow and value, with solutions designed around how you live.

Reliable, Experienced & Local

With decades of hands-on experience and a West Sussex base, we’ve transformed countless homes and commercial spaces throughout the region.

Craftsmanship You Can Trust

Our in-house team and specialist partners deliver high-quality results backed by a commitment to compliance, attention to detail, and long-term performance.

Our Loft Conversion Process

Free Site Survey & Consultation

We begin with a no-obligation visit to assess your loft space, discuss your ideas, and provide expert advice tailored to your home.

Architectural Design & Planning Permission

Working with your existing architect or our recommended partners, we’ll help shape your vision and manage any required planning applications on your behalf.

Transparent Quoting & Scope of Works

You’ll receive a clear, detailed schedule of works and cost breakdown, so you know exactly what’s included, with no surprises.

Seamless Project Management & Build

Your dedicated project manager ensures every phase runs smoothly, on time, and to our rigorous standards, keeping you informed throughout.

Final Inspection & Handover

We carry out a thorough inspection to ensure everything is finished to the highest standard and in full compliance with regulations.

Aftercare Support You Can Count On

We don’t just walk away after the build, we offer reliable aftercare for your peace of mind, ensuring you're happy for years to come.

Get Started With Your Loft Conversion Today

Ready to turn your loft into something special? Contact our friendly team to arrange a free survey and consultation. Whether you’re just exploring ideas or ready to get started, we’re here to help.

Call us today or fill in our quick contact form, and let’s bring your vision to life.

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Frequently Asked Questions

In many cases, loft conversions fall under permitted development rights, meaning you won’t need full planning permission. However, if your property is in a conservation area, a listed building, or the design alters the roof shape significantly, permission may be required. We’ll advise you during the design stage and handle any necessary applications.

Most loft conversions take between 6 to 10 weeks from the start of construction to completion, depending on complexity. We’ll give you a clear timeline during the planning stage and keep you updated throughout the build.

Yes, a professionally built loft conversion can increase your home’s value by up to 20% or more. It’s one of the most cost-effective ways to add usable space and boost long-term investment in your property.

Most lofts can be converted, but factors like head height, roof structure, and access need to be considered. We offer a free site survey to assess your space and confirm what’s possible, along with expert recommendations tailored to your home.

The right type depends on your roof type, property layout, and budget. Common options include:

  • Dormer: adds space and headroom

  • Velux: cost-effective, minimal structural change

  • Hip to Gable: ideal for semi-detached homes

  • Mansard: maximises internal space, often for terraced houses

We’ll guide you to the best solution during your consultation.

Absolutely. All our work is carried out in full compliance with Building Regulations and CDM 2015, including structural integrity, insulation, fire safety, and access. We also handle inspections and approvals for complete peace of mind.

Yes, in most cases you can remain in your home throughout the project. We work to minimise disruption, keep the site clean and safe, and plan key stages around your routine wherever possible.

Yes. We stand by the quality of our work and offer comprehensive aftercare and guarantees for your peace of mind. We’re here to support you even after the build is complete.

Yes, adding an en-suite is a popular choice and often boosts both convenience and property value. We’ll check the feasibility of water and waste connections, and design the layout to make the best use of space. Our team handles everything from plumbing to tiling for a seamless finish.

Yes, all loft conversions must meet current Building Regulations, which include standards for thermal insulation, fire safety, and electrical systems. We ensure your new space is fully insulated for year-round comfort and energy efficiency.