Maximise Loft Space from Just £1,195 + VAT

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If your home has a hipped roof, you may be missing out on valuable space. A hip to gable loft conversion is one of the most effective ways to unlock that potential by transforming a sloped side roof into a full-height gable wall — creating more headroom, floor space, and design flexibility.

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At Draw Plans, we specialise in creating high-quality, fixed-price hip to gable loft conversion plans from just £1,195 + VAT. Whether you're based in London, Essex, Kent, Surrey, Hertfordshire or nearby, our expert team will deliver architectural plans ready for planning approval and Building Control.

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What Is a Hip to Gable Loft Conversion?

Homes with hipped roofs (often semi-detached, end-of-terrace, or detached) have sloped sides that reduce the usable loft area. A hip to gable conversion rebuilds this sloping section to form a vertical gable wall, creating significantly more usable internal space.

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Often combined with a rear dormer, this type of loft conversion is ideal for creating:

• A large master bedroom

• A home office with full ceiling height

• An en-suite or walk-in wardrobe

• Even a small studio or separate living area

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Benefits of a Hip to Gable Loft Conversion

A hip roof loft conversion offers some of the greatest space gains for homes with angled side roofs. Here’s why homeowners love them:

• Maximises head height and internal space

• Transforms your loft into a full-width, functional room

• Ideal for homes with limited loft space

• Can often be completed under permitted development

• Boosts property value by 15–20%

• Improves natural light and ventilation

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If you’ve been looking into loft conversion ideas for hipped roofs, this design should be top of your list.

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Hip to Gable Loft Conversion Cost Guide

The cost of a hip to gable loft conversion depends on your home's size, the complexity of the build, and your internal layout.

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Here’s a rough guide:

• Conversion TypeEstimated Build Cost (Excl. VAT)

• Hip to gable with one bedroom£35,000 – £45,000

• Hip to gable with bedroom and en-suite£40,000 – £55,000

• Hip to gable with L-shaped dormer£50,000 – £65,000+

• Draw Plans design feeFrom £1,195 + VAT

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At Draw Plans, we provide comprehensive plans ready for your builder and Building Control — with fixed transparent pricing and no hidden extras.

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What’s Included in Our Hip to Gable Loft Conversion Plans?

Our architectural design package includes everything needed for a smooth project from start to finish:

• Full measured survey of your property

• Existing and proposed floor plans, elevations, and sections

• Custom-designed hip to gable layout

• Guidance on adding dormers, bathrooms, or rooflights

• Full Building Regulations-compliant drawings

• Help with planning permission or permitted development

• PDF & CAD plans for builders and council submissions

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We tailor your design to suit your lifestyle, budget, and structure — ensuring your new space flows seamlessly with the rest of your home.

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Design & Layout Tips for Hip to Gable Conversions

Making the most of your new space requires a smart layout. Here are some expert design tips:

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Floor Plan Ideas:

• Position the stairs directly above your existing staircase to optimise circulation

• Place the bedroom or main living area under the newly created gable section

• Use rear dormers to fit a spacious en-suite bathroom or walk-in wardrobe

• Create built-in storage along the eaves for a clutter-free design

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Light & Ventilation:

• Add large Velux roof windows to bring in daylight

• Consider a Juliet balcony or gable-end window for views and ventilation

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Integration Tips:

• Match external materials with the original house for seamless aesthetics

• Use matching flooring and finishes to make the loft feel like part of the home

• Connect services (plumbing, heating, electrics) efficiently by positioning bathrooms near existing pipework

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Planning Permission for Hip to Gable Loft Conversions

Many hip to gable loft conversions fall under permitted development rights, provided they meet the following:

• Do not exceed 50m³ of additional roof space (40m³ for terraces)

• Do not exceed the height of the existing roof

• Use materials similar in appearance to the original house

• Do not include a balcony, veranda, or platform

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If you live in a conservation area or your property is listed, planning permission is likely required — but don’t worry, we handle the application process from start to finish.

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Areas We Serve

We provide loft conversion plans for homes across:

• Greater London

• Surrey

• Kent

• Essex

• Hertfordshire

• Buckinghamshire

• Berkshire

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If you're in these areas and ready to explore a hip roof loft conversion, we’ve got you covered.

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Testimonials from Happy Clients

“Our hip to gable loft conversion added a beautiful new bedroom and en-suite. Draw Plans handled the layout and drawings perfectly — smooth from start to finish.”
— Nick and Sarah H., Kingston

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“Highly recommend Draw Plans! Great price, really fast turnaround, and planning was approved first time. Couldn’t be happier with the service.”
— Ayesha P., Enfield

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“We had no idea how much space we were missing until we did the conversion. The plans from Draw Plans were clear and professional — and our builder said they were the best he’d seen.”
— James T., Bromley

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Why Choose Draw Plans for Your Hip to Gable Loft?

• Fixed-fee design service from £1,195 + VAT

• Professional, tailored loft conversion plans

• Quick delivery — typically within 10 working days

• In-depth knowledge of planning rules and building regs

• Excellent communication and support from start to finish

• Trusted across London and the Home Counties

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Get Your Hip to Gable Loft Plans Today

Your loft has more potential than you think. A hip to gable conversion can transform it into a spacious, light-filled room that enhances your lifestyle and adds value to your home.

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At Draw Plans, we make the process easy and affordable with expert plans from just £1,195 + VAT.

Contact us now for your free quote — and take the first step toward your dream loft conversion.