House Extensions

Extend your space. Enhance your home. Built with care, built to last.

High-quality extensions tailored to your vision.

We ensure your new build or extension meets your exact specifications and enhances the value of your property.

A well-planned extension can completely transform your home, giving you more space, more comfort, and more value, without the stress of moving. At JB Carpentry & Construction, we design and build home extensions that feel like a natural part of your property, not just an add-on.

Whether you’re looking to create an open-plan kitchen, add a bedroom, or expand your living space, we manage every stage of the build, from planning and groundwork to structure, roofing, and final finishes.

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Dynamic brick house extension by JB Carpentry & Construction.

A house extension is ideal for:

Creating a larger living room or open-plan space

Adding a modern kitchen-diner or island kitchen

Building an extra bathroom, en-suite, or wet room

Adding a new bedroom or guest room

Creating a playroom or family snug

Installing a practical utility or laundry room

Setting up a home office or studio

Improving access to your garden or patio

How It Works — Step by Step

A clear and simple path from planning to handover:

1 Site Visit & Consultation – We assess your space and talk through your goals
2 Design & Quote – We create a plan and provide a transparent, itemised quote
3 Planning Support – We help manage permissions and building regs, if needed
4 Build Begins – Our skilled team handles all trades from groundwork to finish
5 Final Walkthrough – We complete snagging and handover a polished, finished space

Types of house extensions...

There’s more than one way to extend your home — here are the most popular options we offer.

Create more living space without moving

Avoid the hassle and cost of relocating by expanding your current home to suit your growing needs.

Rear & Side Extensions

Expand your ground floor with additional space for living, dining, or kitchen areas.

Wraparound Extensions

Combine side and rear builds to dramatically increase floor space and redesign the flow of your home.

Single-Storey

Ideal for larger kitchens, utility rooms, playrooms, or open-plan layouts.

Double-Storey

Add multiple rooms across two levels, bedrooms, bathrooms, offices or more.

Garage Conversions

Transform an existing garage into a liveable space or build above it to maximise square footage.

Orangeries & Garden Rooms

Bring in natural light and blur the lines between indoors and out.

Add Property Value

A well-designed extension can boost your home's market value and long-term investment potential.

Why Choose JB for Your Extension?

With a focus on quality and customer satisfaction, we make the process seamless, allowing you to enjoy the transformation of your property with confidence.

Experienced, local, and fully insured - We’ve delivered successful extensions across Exeter and surrounding areas for years.

Tailored to your needs - Every extension is designed to blend with your home, structurally and stylistically.

Planning permission support - We help you navigate building regulations and apply for planning where required.

Minimal disruption - We work cleanly, respectfully, and efficiently, keeping the impact on your daily life to a minimum.

Fixed pricing & realistic timelines - No hidden fees. No shifting deadlines. Just honest, reliable work.

Do I need planning permission for an extension?

Many single-storey extensions fall under permitted development, but it depends on your property and location. We’ll advise and help with any planning applications if needed.