M and M Glass are uPVC window and door specialists based in Hemel Hempstead and St Albans in Hertfordshire
Frequently Asked Questions
Answers to the frequently asked questions on our products and services

Frequently Asked Questions

Do M & M Glass offer a guarantee with their installations?

We want you to feel safe, secure and confident in your products, this also includes knowing they are guaranteed and covered for the future. There are a number of  different guarantees to which provide you with peace of mind.

Do I need planning permission for double glazing?

Before starting any home improvement project, it’s always a wise move to contact your local authority to check whether you require planning permission. However, you shouldn’t need planning permission for double glazing windows as long as they’re of similar appearance to those used in the construction of the house. 

There are a few exceptions:

M and M Glass,
Unit 19 Maylands Business Centre, Redbourn Road, Hemel Hempstead, Herts HP2 7BA

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