Made in Bristol • Supply only or professionally installed 0117 971 9922
Master Plastics SW LtdDoors & Windows
Finished window frames manufactured in Bristol

About Master Plastics

Bristol manufacturing since 1994.

A local manufacturer with more than 30 years of experience supplying windows, doors and building products.

Established 1994Manufactured in BristolMade to measureSupply only or installation

01

Direct knowledge

Operating our own Bristol manufacturing facility keeps product knowledge close to the customer. Questions about openings, glass, colour, hardware and fitting can be considered by people familiar with how the products are made.

Window frames being manufactured at Master Plastics in Bristol

02

A clear route through the project

Every enquiry starts with the property and the purpose of the work. We establish the products required, discuss supply-only or installation, and record the decisions that must be settled before manufacture begins.

  • Made to measure
  • Clear specification before manufacture
  • Supply only or local installation
Finished aluminium windows packed for despatch from Bristol

03

Built around long-term relationships

Master Plastics has worked in Bristol since 1994. The company combines local manufacture with practical product guidance, giving customers a direct point of contact before, during and after an order.

Completed window and door installation in Bristol

Work completed by Master Plastics

A working Bristol manufacturer

The photographs on this page show real frames in production, aluminium products prepared for dispatch and completed local installation work. They are evidence of the route from specification through manufacture to the finished building.

See how we manufacture →
A working Bristol manufacturer

Good to know

Questions about about

How long has Master Plastics traded?

Master Plastics SW Ltd has served Bristol since 1994, giving the business more than three decades of experience with windows, doors and related building products.

Do you work with homeowners and trade customers?

Yes. We support homeowners, builders, landlords, developers and commercial customers, from individual replacement products to coordinated property and development work.

Do you manufacture everything you sell?

We manufacture uPVC and selected aluminium systems in Bristol. We also specify and supply specialist products from established manufacturers, including Rockdoor composite doors.

Established in Bristol

Practical knowledge built over three decades

Master Plastics SW Ltd has traded since 1994. Our work covers made-to-measure windows and doors for homes, extensions, renovations, new developments and commercial properties. Manufacturing locally gives customers a direct route to a team that understands how the product is specified and assembled.

We work with uPVC, aluminium, composite doors and specialist glazing products. That range matters because the most suitable answer depends on the opening, property and priorities—not simply the material currently fitted. Some customers want a low-maintenance replacement; others are planning larger areas of glass, a traditional flush appearance or a coordinated new-build package.

We aim to make the process understandable. The quotation should identify the product and important choices, installed work is surveyed before manufacture, and supply-only customers confirm their own sizes. If you are unsure where to begin, photographs and a postcode are enough to start a useful conversation.

What experience changes

Practical answers before products reach the factory

More than three decades in the trade has shown us that most problems begin with an assumption: the wrong handing, a colour viewed only on a screen, glass specified without considering the room, or a threshold planned after the paving is finished. Our job is to surface those decisions early and record them clearly.

We work with homeowners, builders, landlords, developers and commercial customers. That range brings useful perspective, from a single replacement entrance to repeated windows across an apartment or school project. The size of the order changes; the need for confirmed sizes and an understandable specification does not.

Master Plastics is not presented as the manufacturer of every branded product it supplies. We manufacture uPVC and selected aluminium systems in Bristol and source specialist products, including Rockdoor composite doors, when that is the appropriate route.

Talk to Master Plastics

Planning new windows or doors?

Tell us what you need and we can discuss product options, supply-only manufacture or professional local installation.

Request a quotation0117 971 9922