Why Choose IDM?
With IDM, you’re not just hiring a builder — you’re partnering with a team that cares.
Whether it’s your first project or your fifth, we bring decades of experience, honest advice, and a deep respect for your home.
We listen to your vision, guide you through the process, and deliver beautifully finished results — with traditional values and modern standards.
From bespoke conservatories, windows to full home extensions, you’ll always work directly with us — no middlemen, no stress.
✅ Local, independent, fully insured
✅ Transparent quotes & timelines
✅ Rated for quality, service, and care
Special Offers
🎉 Special Offers – Limited Time Only ✅ Half your VAT paid by us ✅ Bifold doors from just £900 per leaf ✅ Free composite door with full house of windows
Built Around You
Every home and homeowner is different — and we treat them that way.
Whether it’s a house full of windows or a full extension, we work around your schedule, your needs, and your budget.
With IDM, you’ll always know who you’re dealing with — no stress, no middlemen, no confusion.
So sit back, relax, and let us take care of the heavy lifting.
You dream it — we’ll build it.
Let's talk about your project...