Hip to gable roof conversion in London

Loft: Hip-to-gable

Good news — yes, you can increase the functional square footage of your home upwards, even if your roof has inward sloping edges. That’s where a hip-to-gable loft conversion comes in. In just four to six weeks you could be enjoying your new office, bedroom or nursery at the summit of your house. Find answers here to your who, what, when, where and how questions.

How does a hip-to-gable roof conversion work?

We extend the usable area of your attic by changing the sloped wall (hip) to a vertical one (gable). This straightening up of the top of your property provides headroom across the width of the house to walk around.

Then you can decide how to make this area work for you, which could be:

Velux: affordable; straightforward; keep the slanted front and back; install windows; extra £25K+
Dormer: enlarge room further; flat roof/straight wall at rear; additional £35K upwards
Double: maximise both edges; symmetrical result

Where has the option of a hip-to-gable loft?

This option is available for many types of homes with slanting sides, including:

Semi-detacheds
Detacheds
End-terraces
Bungalows
Chalets

In fact, it’s only mid-terraces that aren’t viable for this project.

What does a hip-to-gable loft conversion cost?

From £45,000

This average cost includes the construction necessary to implement the structural work. That includes such essentials as:

Plastering
Plumbing
Electrical wiring
Heat sources

The end cost also needs to take into account the following:

Floors
Wallpaper/paint
Suites
Lights

Choosing standard finishes is the best way to keep prices low. Of course, the size is a major factor too. Two bedrooms, Juliet balcony, dressing area, tailored storage solutions, and a shower room in a luxury high-spec will cost more than a less ambitious alteration.

When is hip-to-gable roof conversion permission required?

There are many reasons to choose this process of enlarging your loft, but you’ll want to know the official situation before you dive in:

Typically considered permitted development
Planning permission usually not required
Conservation areas can impose limitations
Listed status can result in restrictions
Building regulations approval necessary on completion

Reputable building firms help with all of these finer details.

Who should carry out the project? Here’s why you should choose Fittra

Our experienced team offers:

Consultations free of charge throughout
Project management start to finish
Costings in detail
Clear payment schedule
Low deposits (just 5%)
Supplier discounts benefitting you
Tailor-made designs
Planning permission applications
Legal advice
£5M public & products/£10M employer’s liability insurance
Happy customer testimonials
NHBC-registered, NFB/FMB/Considerate Constructors/TrustMark accreditations
10 years experience

Get in touch today for a no-obligation chat.

Interested in hip-to-gable?

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Detailed cost breakdown

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SEE WHAT PEOPLE ARE SAYING

Testimonials

Team at Fittra possesses all the attributes necessary to be an excellent contractor: they know their market extremely well; they are diligent, responsive, and yet very understanding with their clients. They are very professional and offer cost saving alternatives when possible. The thing that has impressed me the most is the professionalism, knowledge and helpfulness of all the workers. Hanwell, New Build

We did our house fully renovation last year July 2019 – December 2019 with Fittra. We are very pleased with the results – our new kitchen (rear extension with lantern roof light), loft conversion, hardwood flooring, underfloor heating, tiling and etc.. Ivan and his team are truly professional. They finished the job with timely manner and customer satisfaction. Their breakdown quotes are easy to understand and easy to work with. We are highly recommended for Ivan, Igor and the team. Great job!!! Isleworth

The work that Fittra did for me was a full house renovation – this did not include any new build or extension work but it did include moving a number of internal load bearing walls and extending external openings to install large sliding doors. The work was reasonably complex structurally as the upper floor is steel beam and concrete block construction. Externally all windows and doors were changed, guttering and fascias were changed and a new tiled deck constructed to give an outside/inside feel. Internally, walls were moved, new door openings created or widened to give a modern open plan look and feel. Maidenhead

Fittra completed a rear extension, loft conversion and full refurbishment of our house in Ealing late last year. This included new bathrooms, heating system (including underfloor heating), electrics and plumbing. When obtaining quotes, Fittra’s prices were in the middle of the three companies who came back to us with costs, but the fact that it was fully itemised (unlike the other costs we received) gave us piece of mind that we knew exactly what we were getting for our money. Ealing

Can’t speak highly enough of Fittra and the job they did. They completed a rear extension, side return and loft extension and pretty much a full refurbishment of our house and garden in SW London. They not only did an incredible job, but they were also great to work with too. Vadym and Ivan’s team were incredibly efficient and hardworking and really amenable and collaborative. I have recommended them to a few friends subsequently, and will continue to do so. Wandsworth

Our Projects

Twickenham Renovation: Where History Meets Modern Elegance

In the picturesque setting of Twickenham, our latest project breathes new life into a two-storey end-of-terrace house, marrying high-quality renovation with historical charm. The addition of a loft extension introduces a spacious family bedroom with an en-suite and a study enhancing the home’s functionality and appeal. The renovation encompasses a thorough overhaul of the interior, inclu...

Earls Court Transformation: Luxury Living Redefined

In Earls Court, a landmark project designed by Leufroy and Teo Architects, and built by Fittra, breathes new life into a Victorian building, converting it into three luxury apartments across 400 square meters. As the main contractor, Fittra has masterfully executed an extensive renovation, including a new basement and a rooftop terrace with exclusive amenities like a barbecue and lounge area....

Earls Court Transformation: Luxury Living

In the heart of Earl’s Court, London, a five-story edifice has been transformed through an extensive renovation, culminating in the creation of 10 exquisite studio apartments, each designed to cater for the discerning tastes of professionals. This project, characterised by its comprehensive overhaul both inside and out, showcases oak flooring, bespoke joinery, and wardrobes, maximising every in...

Slough

Modern Living Redefined in Slough's New Development On the outskirts of London, in a popular residential area of Slough, a new development project introduces a modern two-storey, five-bedroom house that redefines suburban living. This new build combines the latest in architectural design with the comforts of home, creating a perfect setting for family life. The house is designed w...

Raynes Park

Modern Makeover in Rayners Park with Loft Extension In Raynes Park, an extensive renovation transforms a detached property, introducing a modern loft extension above the garage. This project enhances the home's functionality and aesthetic appeal, blending traditional charm with contemporary design. The loft extension adds valuable living space, adaptable for various uses such as a...

West Brompton

Chelsea Charm Reimagined in West Brompton In the prestigious neighborhood of Chelsea, a two-bedroom apartment from the 1880s has been meticulously renovated, marrying its historical essence with modern elegance. Located in West Brompton, this project involved significant structural changes, the introduction of soundproofed oak flooring, and bespoke internal doors that pay homage to the a...

Chelsea

In Chelsea, a five-story building underwent an extensive renovation process to achieve high standards of sophistication and luxury. We worked alongside an investment company to create six stunning two/three-bedroom apartments that combine comfort and elegance. Throughout the apartments, oak floors were used, and bespoke joinery and wardrobes were installed, ensuring that every space was ...

Brompton

This project features a full renovation of a block of 10 studio apartments within a 5-storey building in the Brompton. Working closely with an investment management company, our goal was to create exceptional living spaces that would attract young, successful professionals. Each studio apartment was thoughtfully designed to maximise space and functionality, while incorporating stylish an...

Do you have questions?

Frequently Asked Questions

What is a hip to gable loft conversion?

Hip to gable loft conversion is mostly found on semi-detached properties with an existing hipped roof. The hip is extended up vertically from the ridgeline to create a gable and a Rear Dormer is formed to the rear of the property.

Is hip to gable more expensive?

Doing a double hip to gable loft conversion will be more expensive than a single conversion, however, it will not double the price, as much of the work to carry out the double conversion will already be necessary for the single conversion.

What is the advantage of a hip roof?

Hip roofs are more stable than gable roofs. The inward slope of all four sides is what makes it sturdier and more durable. Hip roofs are excellent for both high wind and snowy areas. The slant of the roof allows snow to easily slide off with no standing water.

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