Supply and installation

French casement windows in Buckingham

Paired opening sashes with a central mullion that moves with the window. Open both sides for a clear aperture, with uPVC and aluminium options to compare.

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Serving Buckingham (MK18) from our Milton Keynes showroom.

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Our own installersFrom survey to fitting. Free consultationAdvice and colour samples at home. FENSA registeredCertification for qualifying installations. Ten year guaranteeInsurance-backed cover on new windows and doors.

White French casement window opened wide from the centre with no mullion in the way

Choosing French casement windows

Two opening sashes, one clear opening.

The opening

The centre section travels with one sash when both sides open. We check the usable aperture and the space outside for the sashes to swing.

View the opening

Frame material

French casement describes the arrangement. Compare the compatible uPVC and aluminium systems on the configuration page before choosing a finish.

View frame material

Everyday access

Handle positions and the order in which the sashes open affect daily use. Try the mechanism and explain how you want to ventilate the room.

View everyday access

Buckingham

Buckingham homes, and what to check first.

The homes. Much of Buckingham's centre was rebuilt in brick after the fire of 1725, which gives the town its Georgian core, with Victorian streets and newer estates around it.

What that means. In the centre, windows need to respect the Georgian proportions of the houses. Slim frames, sliding sash and flush styles and heritage colours are the usual choices there.

Check first. The town centre is a conservation area with many listed buildings. Check the status of your house before you choose a style or material.

Your project in Buckingham

See the samples. Talk through the job.

We cover Buckingham from our base in Milton Keynes. A free consultation brings advice and colour swatches to your home. For full-size product samples, visit the showroom.

Book a free consultation

Our showroom

98 Alston Drive, Bradwell Abbey, Milton Keynes, Buckinghamshire MK13 9HF

Opening times and directions

From our installation diary

Our work near Buckingham.

The location, products and photographs from each job.

All case studies

Secondary glazing closed across a leaded window, with the original casement open behind it.

Residential • Winslow, Buckinghamshire 21 Jul 2026

Secondary glazing, Winslow

Six secondary glazing units in a listed Winslow home, five horizontal sliders and one lift-out, fitted inside the original windows in white aluminium.

Secondary glazing Read case study

Agate grey flush casement windows and a matching composite front door on a rendered Little Horwood cottage.

Residential • Little Horwood, Buckinghamshire 24 Jun 2026

Flush casement windows and a composite door, Little Horwood

Agate grey flush casement windows and a matching composite front door across the front of a rendered village cottage in Little Horwood.

Flush casement windows Composite doors Read case study

Your questions

Buying French casement windows in Buckingham.

Product choices, pricing and what happens before we fit.

Is French casement a material or a window layout?

It is a layout: two side-hung sashes open without a fixed centre mullion remaining in the aperture. We offer this arrangement in compatible uPVC and aluminium systems; the main configuration page shows the choices.

How do I get a price for French casement windows?

Build your price online using approximate sizes, or book a free consultation and we price the job with you. Both use the same software and price list. Once you decide to go ahead, a technical survey confirms the measurements and fitting details before anything is made.

Do you supply and fit in Buckingham?

Yes. We cover Buckingham and its MK18 postcodes from our Milton Keynes base, and everyone who surveys and fits works for us. Nearby, we also fit French casement windows in Stony Stratford, Whitehouse and Aylesbury.

Do I need permission to replace windows in Buckingham?

Buckingham is covered by Buckinghamshire Council. Listed buildings need listed building consent for new windows or doors, and in the conservation area a change of style or material may need planning permission. The newer estates are usually permitted development.

Google and Trustpilot

What our customers say.

Real reviews from real installations. Every one is public, so you can go and check them yourself.

4.9 Rated by 141 customers Read our Google reviews

Independent customer feedback Read our Trustpilot reviews

Bernie Raffe 3 months ago

Great service from Fenster Glazing, very happy with our new bi-fold door, glass door and windows (with built-in blinds) There was an issue with the wrong spec of glass provided to them from their supplier, so they had to temporarily board up a door and a window, but this was put right within a few weeks. Recommended, thanks.

Read on Google Brigitta Lazar 14 Nov 2025

A great and quick job. Very efficient.

Read on Google Nicole 20 May 2025

Shane and James fitted two sash windows for us at the front of our house and we are so pleased.

Read on Google

Keep comparing

Product guides and local services.

French Casement Windows: full product guide Windows and doors in Buckingham French Casement Windows in Stony Stratford French Casement Windows in Whitehouse French Casement Windows in Aylesbury uPVC Casement Windows in Buckingham Aluminium Casement Windows in Buckingham uPVC Flush Sash Windows in Buckingham