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House Extensions

MKM is the place to be for all the materials for a home extension. Whether you are a homeowner looking for extra space or a trades person who has a home extension job coming up. We can provide everything from blocks and bricks, insulation, plasterboard, windows and doors, through to kitchens, appliances, bathrooms and tiles.

A Guide To Planning An Extension

We’ve put together a handy guide to answer a lot of frequently asked questions based on building regulations, planning permission, budgeting, and other considerations when starting a house extension. If you have any further questions, pop into your local branch where our experts are on hand to advise you on your project. 

Find our handy guide available to read here. 
Case Study: A Journey From Cramped To Comfort

Meet one of our valued customers from Winterton, near Scunthorpe — a bustling family with four children. They were living in a semi-detached 3-bedroom home that was cosy but a bit too cramped for their growing family. Discover how MKM supported them on their journey to an extended living space.

Read here

Doors, Windows & Joinery

We've got you covered...


MKM Hire

From power tools to skips and everything in-between. Selected branches.

For when you start thinking about the inside...

We have a whole range of kitchens and appliances, as well as bathrooms and tiles. What's more, we'll come to measure and design it for FREE!


Discover a whole range of kitchens from contemporary to traditional, in a whole host of colours to suit your brand new space.


Explore everything from showers to baths and huge range of sanitary ware.


Whatever your style, we've got your tile. Browse a huge range of tiles in varying colours, patterns and finishes.