CBP Ltd.

CBP Ltd. Family-run since 1986, we supply and install industry-leading windows, doors, bi-folds and glazed structures across Wiltshire. Corsham C.B.P.

From heritage sash to sleek steel-look glazing, we've got you covered. Visit our Corsham showroom or get a free quote online. is a family run business in the true sense of the word and was formed in August 1986 by brothers Chris and Mike Gingell where they undertook installations of fascia and guttering. Over the years we expanded into pvc windows, doors and conservatories. Over the course of time

the company then followed the industry by expanding into the installation of an extensive range of pvc, aluminium and composite products. We work alongside homeowners, housebuilders, commercial customer, schools, offices and architects, providing high performing products and industry insight to all our customers

As of 2019 the business was passed onto Mike’s sons Adam and Paul and Chris’s son Luke who are now the new Directors and taking the business forward from 2019 with an extensive showroom. Adam and Luke are involved with sales and Paul is our surveyor. Mike and Chris are still involved behind the scenes with Mike still looking after commercial sales. There are even more family links with Adam’s wife Sarah being the company accountant. All of our quotations are free of charge with no hassle while in your home or place of work. The Company’s aims have always remained the same since its inception, “to provide and install quality products at reasonable prices, with a good after sales service”. We fully employ our own installers and aim to keep all work ‘in house’ as much as possible. We’re Fensa registered, and members of the Glass & Glazing Federation, Which? Trusted Traders & Check-A-Trade.

28/08/2026

Some panes are too big to carry…

This one went in with a glass lifter from Elite Lifting. A pane at this scale needs the suction gear and a crew who know how to place it, because there is no adjusting it once it is in. Slow, controlled, exactly on the mark.

It is worth the effort for what you get. One uninterrupted sheet of glass instead of a run broken up by frames. Nothing between the room and the view.

That takes this plot close to finished. Just the RK front entrance door and screens still to go in. 👀

Planning glazing on this scale? Get in touch and let’s talk it through.

Most window advice is about fifteen years out of date.The glass and the frames moved on quickly. The advice that gets pa...
27/08/2026

Most window advice is about fifteen years out of date.

The glass and the frames moved on quickly. The advice that gets passed around did not always follow, so plenty of sensible people end up specifying the wrong thing for entirely good reasons.

Six of them come up again and again, so we have set them out here with what is actually going on. The U-value one is worth knowing before you put two quotes side by side.

None of these make anyone daft for believing them. We had a couple of them wrong ourselves at one point.

Worth a save for the next time a spec sheet lands in front of you.

26/08/2026

Aluminium windows and doors across this barn. Slim frames, more glass, and a powder coated finish that stays as it is for decades.

What is interesting is what could come next. The blockwork is an open canvas, and the frames will work with whatever goes over it. Render it and they read graphic and modern. Clad it in timber and they warm right up. Stone or a lime finish and they turn quiet and traditional.

Same windows, three completely different houses. That is the argument for getting the glazing in early. It gives you a fixed point to design the rest of the elevation around.

Thinking through a barn conversion? Pop into the showroom and we’ll talk it through.

Pick your glazing early. Everything else gets easier. 🫱🏻‍🫲🏼Windows and doors are usually treated as a later decision, so...
25/08/2026

Pick your glazing early. Everything else gets easier. 🫱🏻‍🫲🏼

Windows and doors are usually treated as a later decision, somewhere after the structure is settled. In practice they shape the structure. Opening sizes, lintels, steels, cill heights, how a corner is formed, where the frame sits in the wall build up. All of it follows from the glazing.

Decide it early and the drawings can be built around it. Sightlines stay consistent, the openings get designed rather than adjusted, and thermal performance is worked out once instead of revisited. Lead times stop being a pinch point too, because the order goes in when the programme allows rather than when the scaffolding is coming down.

It is also the part of the build people notice most once they are living in it. Worth giving it the same attention as the kitchen, and giving it sooner.

If you are early in a project and want to talk glazing before the drawings are fixed, get in touch or pop into the showroom.

24/08/2026

An extension that borrows the light without borrowing attention.

Velfac windows and doors across the extension. Aluminium outside, timber inside, so the elevation stays sharp against the Bath stone while the room keeps the warmth of wood at the reveals.

Very little frame, a lot of glass. On a house with this much stone, that balance is what makes it work. The openings read as clean rectangles rather than heavy borders, and the view does the talking.

The extension picks up the same stone as the original house, so the new glazing is the only thing that tells you where one ends and the other begins. Quietly, and only if you look.

Planning an extension on a stone property? Pop into the showroom and we’ll talk it through.

A door that closes without closing the room off. 🖤An Aluco steel look internal door with a fixed screen alongside it, di...
23/08/2026

A door that closes without closing the room off. 🖤

An Aluco steel look internal door with a fixed screen alongside it, dividing the kitchen from the hallway and stairs. Slim black frames, clean horizontal bars, and glass doing the rest. You still get the whole run of the house from either side.

That is the point of a screen next to the door. The opening stays as wide as the architecture wants it, but only part of it needs to move. Light carries through from the kitchen to the stairs and back again, and the oak floor reads as one continuous surface rather than stopping at a wall.

It works particularly well here because the frames pick up the darker kitchen cabinetry and the black window frames beyond. Same language, inside and out.

Thinking about how to divide a space without losing the light? Pop into the showroom and see them in person.

21/08/2026

Cedar above, smooth render below, aluminium holding the line between them. ✨

A full Smart Systems package on this Bristol new build. Alitherm 400 flush casements across every elevation, two sets of three panel Visoglide sliders wrapping the rear extension, and a corner meeting slider that opens the kitchen straight out to the garden.

The list of configurations is long. Fixed, top hung, tilt and turn, raked heads, corners. What matters is that none of it announces itself. Slim frames, consistent sightlines, and the same language carried right round the house, so the glazing reads as one idea rather than a collection of decisions.

Add the rooflights above the sliders, a glass Juliet balcony, and an Internorm aluminium entrance door with a cruciform window above it, and the glazing stops being something fitted to the architecture. It becomes part of it.

Planning a new build or an extension? Pop into the Wiltshire showroom, or drop us a message and we’ll talk it through.

An entrance that does the talking before anyone’s inside. 🖤An RK door in matte black, set into a sheltered entrance of c...
20/08/2026

An entrance that does the talking before anyone’s inside. 🖤

An RK door in matte black, set into a sheltered entrance of cedar cladding and dry stone. The face is broken by just a few fine horizontal grooves, so the finish stays flat and light moves across it slowly rather than bouncing off.

The handle is recessed into the door itself. Full height, but sitting flush with the face, so there’s nothing standing proud to interrupt the line. Sidelights either side pull the warmth of the hallway out onto the threshold, which is what makes an entrance feel like an arrival at dusk.

Black against timber and pale stone is a hard-working combination. The door reads as the deliberate part of the elevation, and the materials around it get to be the soft part.

Thinking about the front door for a project like this? Get in touch and let’s talk it through.

19/08/2026

Evolution timber look windows on a Wiltshire stone farmhouse. Soft white against honey coloured stone and old clay tiles. The corners are square rather than mitred, which is the small thing that makes your eye read them as timber and move on.

The casements sit flush with the frame, so the window sits into the opening rather than on top of it. Against old stone, that is the difference between new windows you notice and new windows you don’t.

Matching windows to an old stone house? Pop into the showroom and see them up close.



The glazing decision that changes the whole room isn’t the glass.It’s where you put it.On a contemporary extension, the ...
18/08/2026

The glazing decision that changes the whole room isn’t the glass.

It’s where you put it.

On a contemporary extension, the best results rarely come from simply making the opening as large as possible.

The real question is what the glazing needs to do.

Does it frame a particular view?

Bring morning or evening light deeper into the room?

Create a stronger connection with the garden?

Make the structure feel lighter?

Allow the doors to disappear when open?

These decisions affect far more than the appearance of the glazing. They influence how the entire space feels and functions.

That is why glazing is best considered early, alongside the architecture, rather than after the main design decisions have already been made.

A well-specified system should feel like part of the building.

Not something added to it.

Planning a contemporary extension or renovation? Save this before your glazing specification is finalised.

Address

Unit A12, Fiveways Trading Estate, Westwells Road, Hawthorne

SN139RG

Opening Hours

Monday 08:00 - 17:00
Tuesday 08:00 - 17:00
Wednesday 08:00 - 17:00
Thursday 08:00 - 17:00
Friday 08:00 - 17:00

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