Portsmouth & Surrounding Areas

Building work done properly, from start to finish

Garden rooms, extensions, kitchens and bathrooms — JG Building handles every stage of your project, with a clear quote and no surprises along the way.

Get a Free Quote 07762 095885

What We Do

From a single room to a full extension, JG Building covers every stage of the project — design, building and finishing.

Garden Rooms

Bespoke garden rooms built to a high standard — perfect for a home office, studio, gym or extra living space, finished inside and out.

Extensions

House extensions designed and built to add space and value to your home, managed from planning through to the final finish.

Kitchens

Kitchen remodels and installations, including any structural work needed, full fitting and finishing to a high standard.

Bathrooms

Bathroom remodels and installations — from a refresh to a complete redesign, with quality fittings and a clean finish.

General Building

All types of general building work, from small repairs and alterations to larger renovation projects. No job is too big or too small.

How It Works

A clear process from first message to finished project — no surprises along the way.

1

Get In Touch

Send a message with what you're looking for. We'll arrange a time to talk through your project and visit if needed.

2

Free Quote & Plan

We'll talk through the details on site and give you a clear, no-obligation quote — so you know exactly what to expect.

3

We Get to Work

Our team carries out the work to a high standard, keeping you updated and your home tidy throughout.

Where We Work

JG Building covers Portsmouth and the surrounding areas. Not sure if we cover you? Just ask.

Portsmouth
Southsea
Gosport
Fareham
Havant
Waterlooville
Cosham
Hayling Island

Check Your Area on WhatsApp

About JG Building

JG Building is a Portsmouth-based building company run by James Booth. We take on everything from garden rooms and kitchen refits to full house extensions — and every job is finished to a standard we'd be happy with in our own home.

Free, No-Obligation Quotes

Get in touch with your project details and we'll arrange a visit to give you a clear quote — no pressure.

Fully Insured

Complete public liability insurance for every project, large or small.

Garden Rooms to Full Extensions

Whatever the size of the project, we manage it from planning through to finishing touches.

Local to Portsmouth

Based in Portsmouth and covering the surrounding areas — easy to reach, easy to talk to.

Common Questions

Do you offer free quotes?
Yes. Send us your project details on WhatsApp or give us a call, and we'll arrange a visit to give you a clear, no-obligation quote.
Are you insured?
Yes — JG Building carries full public liability insurance for every project we take on.
Do you handle planning permission and building regulations?
We'll advise on what's needed for your project — including planning permission and building regulations — and can help manage the process for you.
How long will my project take?
It depends on the size and scope of the work. Once we've discussed your project, we'll give you a realistic timeline as part of your quote.
Do you take on smaller jobs as well as big projects?
Yes — from small repairs and alterations to full extensions, no job is too small.
What areas do you cover?
We cover Portsmouth and the surrounding areas, including Southsea, Gosport, Fareham, Havant, Waterlooville, Cosham and Hayling Island. Not sure if we cover you? Just ask.
How do I get a quote?
The quickest way is to WhatsApp us at 07762 095885 or give us a call. We'll get back to you to arrange the next step.

Ready to Start Your Project?

Get a free, no-obligation quote — call or WhatsApp James today.

WhatsApp for a Quote Call 07762 095885