Hip to Gable Loft Conversions

What is a Hip to Gable Loft Conversion?

A hip to gable loft conversion involves extending the sloping “hip” side of your roof vertically to create a straight “gable” wall. This structural change increases the internal headroom and floor space, making the loft much more usable for a bedroom, office, or en-suite.

Hip to gable conversions are especially popular for semi-detached and end-of-terrace homes in the UK, offering a significant space upgrade while blending seamlessly with the property’s existing style.

Hip to Gable loft conversion exterior view in Kent

Is a Hip to Gable Loft Conversion the Right Choice for Your Home?

A hip to gable loft conversion is an excellent option for homeowners with hipped roofs looking to maximise space and headroom. By converting the sloping side of the roof into a vertical gable wall, this type of extension creates significantly more usable floor area—ideal for a master bedroom, office, or en-suite.

This style is particularly well suited to semi-detached, end-of-terrace, and detached properties across Kent and South East London. It’s a smart solution when a dormer or Velux conversion wouldn't provide enough room.

Not sure if your home is suitable? Contact our team for expert advice and to explore the different types of loft conversions

we offer to find the best fit for your home.

Contact Our Team For Free Expert Advice

How much does a Hip to Gable Loft conversion cost?

A hip to gable loft conversion in Kent or South East London typically costs between £40,000 and £65,000, depending on the size of your property and the complexity of the build. It offers a substantial increase in headroom and usable floor space - often enough to add a full bedroom and bathroom - making it a valuable long-term investment.

Several factors can affect the final cost, including:

-- The size and pitch of your existing roof

-- Whether you're combining it with a rear dormer for extra space

-- Structural reinforcements and staircase design

-- Plumbing, electrics, and high-end finishes

At Loft & Build, we offer free, no-obligation quotes and honest advice to help you create a loft conversion that fits your budget and enhances your lifestyle.

Do you need planning permission for a Hip to gable Loft conversion?

Spacious Hip to Gable Loft Conversion in Tonbridge, Kent

Many hip to gable loft conversions in Kent and South East London fall under permitted development rights, meaning you often won’t need full planning permission - especially if the work stays within the allowed volume limits and doesn’t alter the front elevation of your home.

However, permission may still be required in certain situations:

-- If your property is in a conservation area or Area of Outstanding Natural Beauty.

-- If you're planning to build facing the principal elevation (the front of the house)

-- If your home has already been extended beyond permitted development limits.

-- if you live in a flat or maisonette, which aren't covered by permitted development rights.

At Loft & Build, we always carry out a full planning check with your local authority before starting work. If planning permission is needed, our team will manage the application process for you - ensuring your hip to gable conversion is fully compliant with local regulations.

Not quite what you're looking for?

Explore Our Other Loft Conversion Options

At Loft & Build, we offer a range of loft conversion styles to suit every home and budget in Kent and South East London. If a dormer conversion isn’t quite right for your property, consider our other popular options:

Velux Loft Conversions – A cost-effective solution that adds natural light without altering your roofline.
Dormer Loft Conversions – A versatile option that extends vertically from the roof, adding usable space and full-height windows.
Mansard Loft Conversions – Perfect for creating maximum headroom and floor space with a steeply pitched rear roof.

Frequently Asked Questions

What is a hip to gable loft conversion?

A hip to gable loft conversion involves extending the sloped side of your roof (the "hip") into a vertical wall (the "gable"). This creates more internal headroom and floor space, making it ideal for turning your loft into a usable bedroom, office, or en-suite in Kent & South East London homes.

How much does a hip to gable loft conversion cost in Kent?

The cost of a hip to gable loft conversion in Kent typically ranges from £40,000 to £60,000, depending on your home's structure, roof size, and whether you include extras like an en-suite bathroom or bespoke features. Loft & Build offers free quotes tailored to your property and budget.

Do I need planning permission for a hip to gable loft conversion?

Most hip to gable conversions fall under permitted development rights, so you may not need planning permission if the extension meets volume limits and doesn’t face the main road. We always confirm this during our planning checks with your local authority.

How long does a hip to gable loft conversion take?

A typical hip to gable loft conversion takes 6 to 8 weeks to complete, depending on the complexity of the design, structural changes, and any internal works like bathrooms or custom storage.

Is my house suitable for a hip to gable conversion?

Hip to gable loft conversions are best suited to semi-detached, detached, or end-of-terrace homes with a hipped roof. If you’re unsure, our team at Loft & Build can assess your property and recommend the best loft conversion type for your home.

What Our Clients Have To Say

"Very happy with the speed and standard of work. Kevin has a good team of experienced people. Been recommending him to friends. Price was good too. Loft conversion and garage extension."

- Brian Lydford, Tonbridge, Kent

"Can’t be any happier with the work done by Loft & Build Ltd skilled , well mannered and polite boys especially Harry , who is a great talented young man. Everything was done in time which makes them very reliable. I will definitely recommend to any of my friends or family!!!."

- Joanna Zazula

"Had Kev do my loft conversion, Was a great experience from start to finish. His whole team went above and beyond to get the work done and any problems rectified without problem. Recommended to all I know and will definitely use Kev and the team again."

- Wayne Mcgarry

"Kev and his team have just completed our loft extension. From the initial stage Kev was very professional and understanding with great communication. We are so pleased with the quality and I would fully recommend Kev and his team at Loft and Build. Amazing service."

- Mike Greensted

Loft Conversion Specialists in Kent & South East London

We proudly deliver high-quality loft conversions throughout Kent and South East London. Whether you’re in Maidstone, Tonbridge, Bromley, or anywhere nearby, our expert team is ready to help transform your home.

Some of the towns and areas we serve include:

Medway:

Kent:

South East London:

Don’t see your town? Contact us — we may still cover your area!