J M A Group

J M A Group Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from J M A Group, Property investment firm, Suite 2A, Blackthorn House, St Paul Square, Birmingham.

👷‍♂️ CONSTRUCTION CONSULTANT |
Survey • Design • Manufacture • Supply • Manage • Build

🏠 PROPERTY DEVELOPMENT

💎 DIAMOND INTERIOR |
Kitchens • Bathrooms • Bedrooms

💎 DIAMOND BUILDING MATERIALS |
Home Improvement Supplies

07/09/2026

Home Kitchen Extension – Completed! ✅

This project transformed the home with a brand new kitchen extension, adding valuable space and functionality to everyday living.

Project highlights:
a. Full kitchen extension, built from the ground up
b. Seamlessly matched to the existing property's structure and finish
c. New glazing to maximise natural light throughout the space
d. High-quality finishes throughout, ready to move straight in
e. Completed to Building Control standards with certification provided

At J M A Group, we manage every stage of your project from start to finish, from concept to completion, so you get a beautifully finished space with total peace of mind.

📞 Contact J M A Group today to book your design consultation and start planning your dream home.

02/09/2026

Extension & Garage Conversion Site Visit

We're on site for this extension and garage conversion project, transforming the space from the ground up.

Project highlights:
a. Existing roof removed and rebuilt, pushed back to extend the footprint
b. Potential underpinning with a raft foundation, due to the ground conditions in this Black Country mining area
c. White on white glazing to match the property's finish
d. Existing window opening converted into a doorway, leading into the new upper storey
e. New layout includes a bedroom, bathroom, and second bedroom
f. 10-year structure warranty
g. £1 million insurance-backed guarantee

At J M A Group, we manage every stage from design to completion, so you get a beautifully finished space with total peace of mind.

📞 Contact J M A Group today to book your design consultation and start planning your project.

31/08/2026

uPVC or Aluminium: Which one fits your home?

Here's what you need to know before choosing:

The breakdown:
1. uPVC – A reliable choice with a lifespan of 20-30 years, great for smaller windows like kitchen windows or bay window replacements
2. Aluminium – The modern luxury option, ideal for bi-fold doors, lanterns, and large glazing
3. Flush or Chamfered – Aluminium comes in flush (hidden frames) or the classic chamfered look, giving you options to suit your style
4. Colour choices – Both uPVC and aluminium come in a wide range of colours to match your home

So whether you're after something practical or a high-end statement, there's an option to suit your project and budget.

Not sure which is right for you? That's exactly what we're here for.

📞 Message J M A Group today and we'll help you find the perfect fit for your home.

29/08/2026

Avoid These Common Kitchen Renovation Mistakes

Planning a kitchen renovation? Here are the biggest mistakes homeowners make and how to avoid them:

The biggest mistakes:
1. Underestimating the budget – Always plan for the unexpected, not just the ideal scenario
2. Hiring the cheapest builder – Cheap now often means costly problems later
3. Rushing the layout and storage – Getting this right from the start saves you stress (and money) down the line

A great kitchen renovation isn't just about how it looks — it's about getting the planning right from day one.

At J M A Group, we help you avoid these pitfalls with proper planning, honest budgeting, and a team that gets it right the first time.

📞 Message us today to start planning your kitchen renovation the right way.

27/08/2026

J M A Group will design, manage, and build your project from start to finish.

At J M A Group, here's what you can expect:

J M A Group will:
1. Ensure your project stays on schedule
2. Control costs to manage the budget
3. Take the hassle away from coordinating teams
4. Reduce your workload by managing the details
5. Deliver projects efficiently to a high quality

From the first drawing to the final finish, we handle every stage so you don't have to.

📞 Message us today to start planning your project.

25/08/2026

Site Visit: Rear Extension in Progress

Take a look at what's happening on site as we extend this home 4 metres to the rear and completely transform the layout.

What's happening on site:
a. Rear and side walls coming out, with a steel beam going in
b. Lean-to pitch roof with interlocking tiles, set on a raft foundation
c. New outdoor patio being created, with steps leading down
d. Sliding door on one side and a new window on the other
e. 3 skylights being added to bring in natural light
f. Concrete slab flooring with underfloor heating throughout
g. Kitchen being ripped out and rebuilt as part of the new extension
h. New WC being added, partitioned off from part of the original kitchen space
i. The whole space opened up to create a seamless flow from the existing home into the new extension

This project is all about creating a bigger, brighter, more functional home with a new kitchen, extra outdoor space, and a layout that just makes sense.

From design to completion, J M A Group manages every detail.

19/08/2026

Garden Rooms Built to Last — See Our Recent Projects

From cosy home offices to stylish garden retreats, take a look at some of the Garden Rooms we've completed for our customers.

What we deliver on every project:
1. Fully insulated, all-season structures
2. Bi-fold or sliding doors for that seamless indoor-outdoor feel
3. Electrics fitted throughout, including lighting and sockets
4. High-quality finishes, inside and out
5. Heating options to keep it usable all year round
6. Built to Building Control standards, with certification provided

Whether it's a home office, gym, playroom, or a space to simply relax — a Garden Room adds real value and functionality to your home, without the cost or disruption of a full extension.

From design to completion, J M A Group handles every step of the process.

📞 Message us today to start planning your Garden Room project.

18/08/2026

When a "cheap" builder costs you £40,000 more than you bargained for

This customer paid £50,000 for a 16.5 sqm side extension — and was left with bent walls, mismatched blockwork, and a builder who never finished the job.

At J M A Group, we're now stepping in to put things right.

What we're doing to fix it:
a. Tearing down the poor-quality work and rebuilding from the ground up
b. Checking the ground works and confirming everything with the local council
c. Installing 3 new windows and a doorway, positioned properly this time
d. Adding a lean-to pitch roof and a new internal door
e. Boarding, skimming, and insulating the extension to the standard it should've been done at from the start
f. Rebuilding the ground works properly, start to finish

If you've been let down by a cowboy builder, or just want the job done properly the first time, message J M A Group today.

17/08/2026

UPVC or Aluminium — which one's right for your home?

Both have their place, but here's the difference:

The breakdown:

a. UPVC – A cost-effective option, made from plastic, with a lifespan of 20-30 years. Great if you want quality without the higher price tag.
b. Aluminium – The higher-end, luxury choice. Stronger in strength and perfect if you're after large glass panes and a sleek, modern finish.

So if you're working to a budget, UPVC is a solid choice. But if you want that premium look and feel, aluminium is the way to go.

Not sure which is right for your project? That's exactly what we're here for.

📞 Message J M A Group today and we'll help you choose the best fit for your home.

15/08/2026

Work in Progress: Wrap-Around Extension, Internal Renovation & Garden Upgrade

What's happening on site:
a. Wrap-around extension walls going up, tying in seamlessly with the existing property
b. Windows and doors being fitted to bring in natural light
c. Internal renovation works progressing throughout the home
d. First-fix electrics being installed
e. Insulation going in to keep everything warm and energy-efficient
f. Plastering and finishing works underway
g. Garden upgrade taking shape alongside the build

This customer wanted more living space, a refreshed interior, and a garden to match — and we're managing all three together, start to finish.

From design and planning to construction and aftercare, J M A Group takes care of everything under one roof.

📞 Message us today to start planning your extension, renovation, or garden project.

Address

Suite 2A, Blackthorn House, St Paul Square
Birmingham
B31RL

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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