House Extensions Cambridge

Service

What we offer

We carry out a wide range of building work across Cambridge and the surrounding areas. Every project is approached with careful planning and attention to detail, ensuring the finished result is both functional and built to last.

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Our building services include:

Extensions and structural alterations
Groundworks and drainage
Brickwork and blockwork
Patios, paving, and external works

Every stage

Design and build service Cambridge

We also offer a design and build service, allowing you to understand the likely cost of your project before progressing through planning permission. This helps avoid unexpected expenses and gives you confidence that the project is achievable within your budget from the outset.

We work closely with you during the early stages to develop practical solutions that balance design, cost, and buildability.
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We understand that building work can be disruptive, so we aim to keep everything as smooth and efficient as possible while maintaining high standards throughout.

Managed

Why we're different

We deliver building and extension projects with a focus on quality, clear communication, and a fully managed approach, giving you confidence from start to finish.

Fully managed from start to finish

We handle every stage of your project, from initial planning through to completion, so you don’t have to coordinate multiple trades or manage the process yourself.

Clear pricing & practical advice

We provide transparent quotations and honest guidance early on, helping you understand costs and avoid unexpected issues later in the project.

Built to last, finished to a high standard

Every project is completed with attention to detail and a focus on long-term durability, ensuring your extension or building work stands the test of time.

Projects

Gallery

Why Choose Us for house extensions in cambridge?

Undertaking building work or an extension is a significant investment. We provide a structured, well-managed service that ensures your project is carefully planned, clearly communicated, and delivered to a high standard.

Experience

Over 3 decades of building experience

Tailored

Design and build around your budget

Fully managed

We carefully plan and manage each stage of the build

JA Renovations vs other house extensions builders in cambridge

JA Renovations

Clear, detailed quotations with upfront guidance on costs

Design & build approach to assess feasibility early

Practical advice to help you stay within budget

Fully managed project from start to finish

Experienced in extensions and structural alterations

Typical builders

Rough estimates with limited detail

Costs often unclear until work is underway

Limited input during early planning stages

Homeowner often left to coordinate trades

General building experience may vary

Our 3 Step Process for house extensions in cambridge

Consultation & feasibility

We begin by understanding your plans, assessing your property, and discussing what’s achievable within your budget.

Design & planning

We develop your project with a focus on buildability and cost control. You’ll receive a clear, detailed quotation.

Build & project management

Once work begins, we manage the entire build process, coordinating all stages efficiently while maintaining clear communication.

FAQs

Frequently asked questions

How much does a house extension cost in Cambridge?

Do you manage the entire project?

Can you help with design and planning?AQ

How long does an extension take to complete?

Will I need to move out during the work?

Do you carry out structural work?need to move out during the work?

Testimonials

What our clients say

We’re proud to have built long-standing relationships with clients across Cambridge, delivering reliable service and high-quality results on every project.

Excellent work, very professional.

Nick Caporaso

Great service & friendly team.

Deborah Williams

Planning a home extension in Cambridge?

If you're planning a project, we’re happy to offer advice and provide a clear, honest quotation.

Get in touch

House extensions cambridge