Conservatories, orangeries and extensions

More room.Forreal life.

GJM Construction helps homeowners add space, light and practical value. Tell us what you want to change. We will help you plan the next step.

Building company with a registered office in Portsmouth

Glass conservatory surrounded by a mature garden Example stock image
01Your home.
Your plans.
We build for the way you liveScroll to explore

What we do

One home.
More possibilities.

From a new garden room to practical building work, start with a conversation about your home.

Bright conservatory interior with seating and garden doors01Example stock image

Conservatories

Add a bright room that connects your home and garden. Ask us about frames, glazing, roofs and a layout that suits how you live.

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Glass garden room with warm lights and flowers around it02Example stock image

Orangeries

Combine solid structure with a lot of natural light. An orangery can give you a new room for meals, work or time together.

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Glass building with a pitched roof in a green setting03Example stock image

Home extensions

Make more space where you need it. Talk to us about an extension to your kitchen, living area or another part of your home.

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Glass roof on a steel frame04Example stock image

General building work

Ask about structural alterations, brickwork, openings, roof lanterns, bifold doors and related improvements to your home.

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Sunlit conservatory looking into an English gardenExample stock image

A clear way to build

Good work starts with a clear plan.

Every home and every project is different. We keep the first steps simple, so you know what happens next.

01

Start with your home

We listen to what you need and look at the space before we discuss the work.

02

Agree the scope

You get a clear description of the proposed work and a written quote before you decide.

03

Keep in contact

You can ask questions as the work moves from preparation to completion.

4core services
3clear first steps
1easy project enquiry

From idea to quote

Start in three
simple steps.

  1. 01

    Tell us your idea

    Use the form below. Include the type of work and what you want to change.

  2. 02

    Discuss your home

    We can arrange a visit to understand the space and discuss the options.

  3. 03

    Review the quote

    Read the proposed scope and price. Ask any questions before you decide.

Your project

Let us make
room for it.

Tell us about your project. A few details are enough to start the conversation.

[email protected]
What to include
  • The type of project
  • Your location
  • When you want the work to start

We use your details to answer your enquiry. Read our privacy notice.

Glass conservatory surrounded by a mature garden