Thomas armstrong (Construction)

Bespoke Joinery Services in Cumbria and Across the UK

With a heritage dating back to 1830, our in-house joinery team continues to deliver high-quality, bespoke timber products for residential, commercial and heritage projects. Combining traditional craftsmanship with modern methods, we design and manufacture everything from staircases and windows to bar counters, shopfronts and specialist one-off items — all from our workshop in Flimby, Cumbria.

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Custom Timber Joinery for Residential and Commercial Projects

Our Bespoke Joinery Department blends centuries-old skills with today’s technology to create tailor-made joinery solutions for clients across the UK. Whether your project calls for contemporary finishes or traditional detailing, our team takes the time to understand your vision and deliver joinery that performs — and lasts. From listed building renovations to retail fit-outs, our portfolio spans windows, doors, staircases, roof trusses, shopfronts, and more. Every product is made in-house, ensuring quality control and personal service from start to finish.

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Windows

Classic Stormproof Timber Window Frame
We can provide high performance 'A Rated' stormproof windows to any design combination, manufactured to Secure by Design standards, single or double glazed, in various timber prefinished if required.

Sliding Sash Window Frame with Traditional Weights and Spiral Balancers
We offer a traditional sliding sash window frame available in hardwood or softwood with a painted or stained finish. The fully glazed, finished window is supplied complete with hardware including sash cords, lead weights, pulley wheels, security fasteners and modern spiral balancers.

Our sash window frame design includes unique gaskets and seals. Traditional style beading is fitted externally and our design incorporates shaped sash horns for the traditional period look.

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Material
All windows are manufactured using sustainable timbers from managed forests, both in softwood and hardwood.

Treatment/Finishes
Main sections and components are pre impregnated with double vacuum treatment and prime or base stained. A range of finishing options are available.

Ironmongery
Is fitted to a Secure by Design standard and can be tailored to fit individual specifications.

Glazing
As well as the standard double glazed units that are most commonly available in today’s market, we also offer various options of single glazing which are highly desirable in conservation areas. All specifications are in strict compliance with current building regulations

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Doors

We can manufacturer doors to any size, any type, made expressly to your specifications.

Whatever the style - Victorian, Georgian, with Bolection moulds, flat panels or raised and field we can produce a door to suit your needs in various timbers and finishes.

Pre-hung with multi point locks to secure by design standards or just loose for your own fitting.

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Roof Trusses & Pagodas

Variety
Manufactured to any design which may be presented to us, our trusses can be made from a variety of timbers.

Authentic
With a broad range of clients requesting this service, these are particularly suited to domestic buildings seeking an authentic look.

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Staircases

Design
We offer a full design service checking site sizes and manufacturing to comply with strict building regulations including to Private and Public Sector markets.

Complete Service
Armstrong Joinery can provide a complete service from design to manufacture in numerous timbers, both hardwood and softwood, through to installation, and incorporating turned balustrading or square stop chamfered for the minimalist look. This also includes glass balustrades.

Specialist
Although we produce a high turnover of standard softwood staircases for our Construction Department, we specialise in custom designed hardwood staircases for the private individual.

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Bars, Counters & Furniture

We can provide a range of bars, counters and furniture which we can also install through our specialist installation team.

A full Design service is available, where we can discuss your requirements and provide samples for your consideration.

Materials
Our final product can be constructed from a wide range of material. Best suited to your needs, style and design. i.e.

  • Various Timber New and Reclaimed
  • Laminate and Veneers
  • Man made Resign Work Surfaces
  • Incorporating Glass Shelving, Mirrors and Lighting
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Shop Fronts

Design
We offer a full design service checking site sizes and manufacturing to comply with strict building regulations including to Private and Public Sector markets.

Complete Service
Armstrong Joinery can provide a complete service from design to manufacture in numerous timbers, both hardwood and softwood, through to installation, and incorporating turned balustrading or square stop chamfered for the minimalist look. This also includes glass balustrades.

Specialist
Although we produce a high turnover of standard softwood staircases for our Construction Department, we specialise in custom designed hardwood staircases for the private individual.

Thomas armstrong (Construction)

Why Choose Our Bespoke Joinery Team?

We offer reliable, high-quality joinery manufacturing with a focus on craftsmanship, flexibility, and service. Here’s what makes us a trusted joinery partner:

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195 Years of Joinery Experience

Established in 1830, we’ve built a reputation for quality and reliability in both traditional and modern joinery methods.

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In-House Manufacturing Facility

All products are made in our Cumbria workshop by experienced joiners using both hand tools and CNC machinery.

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Flexible Finishing Options

We offer spray painting, varnishing, waxing or can supply items unfinished — all completed by our dedicated in-house finishing team.

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Joinery for Any Project Type

From heritage-listed windows to full commercial fit-outs, we deliver bespoke joinery for homes, businesses and public sector buildings.