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Your Local Replacement Windows and Doors Installer

Specialising in replacement PVC window installations, sash windows, doors and conservatories in Gerrards Cross, Beaconsfield, Amersham, Rickmansworth and Chalfont areas.


At Happy Brian we strive to offer choice, quality and value.


We are an independent supplier able to offer replacement of windows, doors, and conservatory products from the whole marketplace. Our products are custom factory made - just for you and are available in a wide range of colours and materials, including UPVC, aluminium, timber, composite and timber alternative frames.


Although white is still very popular, frames can be supplied in an almost limitless range of colours from cream to greys to wood effect, pastel and bright colours. See our brochure page for examples.

We supply and install all types of replacement windows, from standard casements, Heritage style Flush, traditional sliding sash, tilt & turn and secondary glazing.


There are also several double & triple glazing options and glass patterns available, some are colour matched with the frames and others are for specialised use such as toughened glass offering added safety and security, laminated glass for improved sound insulation and patterned glass for privacy.


A wide variety of doors are available including main entrance doors, bifold doors, sliding patio doors, stable doors, fire doors and commercial doors.

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