Professional Loft Conversion Company London

Let’s turn your attic into a customisable living space. 

Our loft conversion service will give your home the extra space it needs without the hassle and expense of adding a new structure to your London property.  We provide a free, no-obligation quote on all loft conversion styles.

Why Homeowners in London Trust Our Loft Conversions

Our team has 20 years of combined experience in loft conversions. As one of the leading loft conversion specialists in London, our expert team handles every detail. We follow a results-based design and build process from start to finish. 

Our team also carries out a free site survey and prepares detailed plans. Many loft conversions won’t work with one-size-fits-all solutions, so we shape the space around your needs.

We assign a dedicated project manager to oversee the entire conversion project, coordinating with architects, builders, and trades. Meanwhile, you receive fixed-price quotes, so you know all costs upfront, with no hidden fees. Our team is proud of the quality of their work, not just the finished look, but the craftsmanship behind it.

We have completed loft conversions across London in many areas. Unlike some larger conversion companies, we treat your London home like our own. You can even review our case studies of loft conversions on the website to see the results we’ve achieved. Each project is handled personally, adding space and value with care.

Dormer conversions add a vertical extension with a window to the sloping roof. They give more headroom and light. This turns the attic into a real room. Many houses use a dormer at the back. It’s a straightforward way to gain space in the roof.

A single dormer is one extension in the roof, usually above the centre of the back wall. This raises the ceiling height over one part of the attic. It can make room for a new bedroom or a small bathroom. Single dormers are often chosen for a simple extra room and cost less than two dormers.

A full width dormer stretches across most of the roof at the back. We build a large box that reaches from wall to wall. It often has a flat roof on top. This creates a big open room inside. You could fit a bedroom and a bathroom in it. It nearly doubles the width of the loft.

An L-shaped dormer has two linked extensions on adjacent roof slopes, like an L. One part runs along the back and one along the side. This adds headroom in two directions. It works well for corner houses or larger roofs. It brings in more natural light with two windows. It’s a bigger job but gives two bright rooms.

A rear dormer extension is like adding a mini second storey at the back of the house. It sticks out under the loft and gives much more floor space. You might use it for a larger bedroom with a closet or even a bathroom. It extends the house up top and makes the room much bigger. It’s a great option if you need a lot of extra space.

A pitched dormer is similar to a dormer but with its own sloping roof. Instead of a flat top, the dormer roof matches the house style. It still adds headroom and an extra room. It can look more traditional. We build it so rain runs off just like your main roof.

A hip-to-gable loft conversion extends a sloping roof side into a vertical wall. This is done on houses where the roof has a hip end. It gives a lot of new space by raising the roof on that side. It’s common for semi-detached and end-terrace houses. This style adds an entire wall, so it costs more than a dormer.

A mansard loft conversion changes the very top of the roof to add a full extra floor. We build the top roof almost flat, with steep side walls. This gives plenty of room inside – almost like a new storey. It’s a big project and usually needs planning permission, but it adds a lot of space.

A Velux or roof-light conversion does not change the roof shape. We simply install skylight windows in the existing roof. This brings in light and air. It makes the attic bright but doesn’t add extra floor space. It is cheaper and quicker than a full dormer. Velux windows work well if you only need light for an office or a bright bedroom.

A new build loft conversion means planning a roof room when building a new home or extension. If you add a big new roof, we design the loft space into it from the start. This can save money since we build it all at once. It also means the room is perfectly fitted. It’s a smart plan if you are doing a major renovation.

Your Local Loft Conversion Specialists In London

Our team of loft conversion specialists is dedicated to making your project smooth and stress-free. We prepare full architectural drawings and take care of all council submissions. Every conversion must meet current building regulations for structure, insulation, stairs, fire safety, and more. We also register the work with building control. If your house shares a wall with a neighbour, we also handle the party wall agreements required.

Most loft conversions in the UK are covered by permitted development rights. In most cases, they don’t require planning permission, especially if you stay within the rules. If your plan exceeds those limits or you live in a protected area (like a conservation area), then we will apply for planning permission on your behalf.

Because we handle both design and construction, every job is a fixed price commitment. From the initial site survey to handing over your new rooms, we manage each step. You get a safe, well-built loft conversion or extension tailored to your home, adding real extra space for your family.

A loft conversion can increase your home’s resale value. A well-built room in the roof is a real asset to buyers. It’s one of the best ways to raise your property’s worth without adding ground space.

Many homes have roof space they don’t use. A conversion unlocks that area. It adds more room for family, work, or guests. It helps you get more from your house without needing to extend outwards.

A loft conversion lets you stay in the home you know. You don’t need to sell, pack, or find a new place. If you love your location, it’s a simple way to grow with your family.

We design each loft to meet your daily needs. Whether you need a home office, playroom, or bedroom, we shape the space around your preferences and personality. 

“Homeowners who add a loft conversion or extension—incorporating a large double bedroom and bathroom—can increase the value of a three-bedroom, one-bathroom house by up to 25%.”

Get A Free Quote for Your Loft Conversion in London

If you want a loft conversion, we’re here to help. Get in touch with us for friendly advice and a site visit. We’ll arrange a free, no-obligation survey, so you can see the potential of your loft. Get a free quote by calling 0203 951 2497 or contacting us online.

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Our Team Has 20 Years Combined Experience In The Loft Conversion Industry

With over 20 years of combined experience in the loft conversion industry, we've completed successful projects across London, and have many happy customers who love their new loft spaces.

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Totally Custom Designed Loft Made by you.

Whether you're looking for hip to gable loft conversions or dormer loft conversions, we've got everything you need!

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Insurance & Warranty

Offering you that extra layer of protection and peace of mind as you embark on your loft extension journey.

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Straightforward Loft Conversion Prices

This means, you won’t encounter any unexpected surprises or hidden costs.

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Dedicated project management

We'll guide you through every step, making sure your loft conversion cost stays right on budget.

Check Out Our Loft Conversion London Portfolio

We’re dedicated to ensuring your complete peace of mind. That’s why we’ve partnered with HIG to provide you with comprehensive insurance and a solid warranty on your loft conversion project. Rest easy knowing your investment is protected every step of the way.

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Deposit Protection

For your peace of mind Your deposit monies (up to a maximum of 25% of total contract value) can be covered from the outset

Insurance Backed Guarantee

This matches the level offered by us contractor, meaning your home improvement project can be guaranteed for up to 10 years.

Testimonials

Common Asked Questions About Loft Conversion London

A dormer loft conversion adds a boxed window area to your roof, giving more space and light. It’s a popular choice for many UK homes. The loft conversion cost in London varies by size and finish, but dormers are often mid-range in price and value for money.

People often ask how much does a loft conversion cost. A hip-to-gable loft conversion costs more than a basic dormer due to the bigger roof work involved. In the UK, prices vary based on house type and finish. It adds more floor space and suits end-of-terrace or semi-detached houses with hipped roofs.

The cost depends on roof shape, property type, access, design features, and whether you need plumbing or structural changes. Finishes, insulation, and windows also affect the price. If it’s a full home extension, the cost may be higher than just a room addition.

For better use of the loft, consider built-in storage, light colours, and well-placed roof windows. A flat roof dormer gives more room. Add a bathroom if space allows. We can help you plan a space that works well for daily use and fits your needs.

Yes. Attic or loft conversions are known to add value. With house prices in many areas still rising, adding a new usable room is a sound step. We’ve seen clients with lofts converted get better space and property value compared to similar homes without one.

Areas We Cover in London

Our team will bring your vision to life, creating as much new space as possible. Whether you need extra bedrooms or a playroom for a growing family, we make the process straightforward. Let us show you the easiest way to expand your home, from the first survey to handing you the keys to your stunning new loft.

If you need space for a growing family, we are amongst the most popular and trusted builders in the Greater London area. Below are the areas that our London loft conversion services cover:

  • North London
  • South London
  • East London
  • West London
  • Central London

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