Staircase Parts Supplier UK: Treads, Strings, Spindles, Risers & More from CJG Manufacturing
Staircase Parts Supplier UK: Treads, Strings, Spindles, Risers & More from CJG Manufacturing
When staircase performance matters, it comes down to getting the parts right. Whether you are quoting a staircase package, managing multiple plots or replacing components mid-project, consistent, site-ready parts help keep your programme moving and your teams productive.
At Central Joinery Group, we do not just supply staircase components. We manufacture them in-house, dry fit test for accuracy, and deliver at volume to merchants, developers and contractors across the UK. Our clients rely on us for reliable fit, proven quality and lead times that support commercial builds without compromise.
We have worked alongside contractors from first fix joinery through to final fitouts, and we understand what works, what causes delays, and what keeps handovers on schedule.
This guide brings together the specifications, material options and product combinations our trade customers use every day to deliver consistently high standards. New to staircase components? Our terminology guide covers styles, terms and essential parts.
Every Staircase Component in One Place: Specify, Quote and Order in Bulk
If you are pricing for multiple staircases, issuing a materials list or placing repeat orders across sites, this guide makes product selection fast and dependable. Everything you need is in one place, ready to quote and ready to supply.
To avoid site delays and sizing issues, our professional staircase measuring services can support your planning process.
Below, you will find our full in-house range of staircase parts, each one designed to integrate seamlessly with the next. For every component, we outline material choices, profile details and install-ready options, with direct links to our UK-manufactured product pages to simplify ordering and maintain continuity across your sites.
Timber Strings Supplier UK
High-Performance Timber for Staircase Strings and Joinery Work
CJG timber strings are manufactured for consistency, dimensional accuracy and fast throughput in joinery production.
Each board is selected for clean grain, low defect rate and reliable performance across repeated cuts. Ideal for CNC profiling and large-volume processing, they support efficient manufacture without variation or delay.
With thickness options always in stock, our timber strings reduce waste, streamline assembly and maintain finish quality from flight to flight.
Supplied in softwood or oak, they are built to meet the practical demands of large-scale staircase fabrication.
Available Materials: Softwood, Oak
Thickness Options: 28mm and 32mm boards
Fit Options: Supplied in joinery-grade stock, ready for machining or on-site fitting
Explore our timber staircase stringers for softwood and oak builds.
Stair Spindles Supplier UK
Well-Made Spindles for a Consistent Finish Without Delay
CJG stair spindles are made to deliver crisp sightlines, uniform pitch alignment and fast, filler-free installs.
Each spindle is turned or chamfered in-house from joinery grade pine or oak, with tight machining tolerances that eliminate sanding, shaping or on-site trimming.
Supplied in standard lengths and ready to finish, our spindles suit a range of balustrade styles and are designed to integrate seamlessly with UK handrail systems.
Choose from square, stop chamfered or traditional decorative profiles to suit both modern and classic staircase builds. Want a standout look? Check out 5 tips for a picture-perfect staircase.
Available Materials: Pine, Oak
Finishes: Square, Stop Chamfered, decorative turned profiles
Fit Options: Supplied in standard lengths, pitch compatible with UK staircases
Browse our range of stair spindles in square, stop chamfered and turned profiles.
Stair Handrails Supplier UK
Pre-Machined Timber Handrails for Fast, Flawless Installs
CJG handrails are designed for joiners and builders who need profiles that fit first time, look right and match UK pitch standards.
We machine every handrail in-house to ensure smooth alignment with our spindles, newels and stair systems - no rework required.
With a wide choice of shapes and finishes, including pigsear and mopstick, our handrails combine trade-ready durability with a quality aesthetic for modern and traditional installs. See our handrail options, pre-machined and pitch matched.
Available Materials: Oak, Softwood, Redwood
Finish Options: Mopstick, Pigsear, CJH profiles (HC, HD, HB, HJ etc.)
Fit Options: Profile matched to CJG stair parts, supplied in standard UK pitch lengths
Newel Posts and Caps Supplier UK
Newel Posts & Caps Built for Strength, Finished with Precision
CJG newel posts and caps are engineered to deliver consistent alignment, structural strength and a clean architectural finish across any staircase configuration. Each post is square-cut, machined in-house and available in high-grade pine, oak, walnut or Accoya - giving you the stability and material consistency you need when fitting at volume.
Designed to integrate seamlessly with CJG balustrades and handrails, our newel posts minimise alignment issues and remove the need for excessive onsite trimming or adjustments. To complete the system, we offer flat, pyramid and ball caps manufactured to fit precisely and elevate the overall aesthetic.
Whether you are specifying for contemporary interiors or traditional builds, these components are designed to reduce install time and deliver lasting visual impact.
Available Materials: Pine, Oak, Walnut, Accoya
Finishes: Square, Stop Chamfered, Turned - all compatible with Flat, Pyramid or Ball Caps
Fit Options: Standard post sizes, cap sets available, machined in-house for accuracy
View our full selection of newel posts and matching caps for trade installs.
Timber Treads Supplier UK
Precision Made Stair Treads Built for Durability, Fit and Finish
CJG stair treads are manufactured in-house for clean cut profiles, tight tolerances and reliable consistency, whether you’re fitting five staircases or five hundred.
Every tread is CNC cut and dry fit tested to ensure it installs first time, matches spec exactly and holds its finish on site.
From moisture resistant MDF to high spec oak and walnut, all materials are selected to suit the demands of fast moving projects where precision and repeatability matter.
Available Materials: MDF, Pine, Oak, Walnut, Accoya
Finishes: Smooth (paint-ready), stainable hardwood, moisture-resistant MDF
Fit Options: CNC cut, dry fit tested, compatible with standard UK staircase designs
Discover our full range of precision stair treads, available in MDF and hardwood.
Stair Risers Supplier UK
Trade Ready Stair Risers with Consistent Fit and Clean Finishes
CJG stair risers are designed to sit perfectly flush with treads, align cleanly across flights and hold their finish under pressure, whether they’re painted, stained or left exposed.
Manufactured in-house from moisture resistant MDF or joinery grade timber, each riser is CNC cut for precision and dry fit tested to avoid gaps, swelling or misalignment on site.
With consistent sizing and square edges across every unit, our risers help keep your install sharp, your decorators happy and your handover snag free.
Available Materials: MDF, Pine, Oak, Walnut, Accoya
Finishes: Paint-ready, stainable softwood and hardwood, uniform Accoya surface
Fit Options: Dry fit tested, spec-matched to treads and UK standards
View moisture-resistant MDF and timber risers for trade projects.
Bullnose Risers Supplier UK
Bullnose Risers Built to Shape the Entrance and Impress from the First Step
CJG bullnose risers are crafted to create a strong first impression where it matters most.
As the front-facing component of the bottom step, they are pre-profiled for a smooth, consistent curve and CNC cut to ensure every edge lines up perfectly with your treads and stringers.
Manufactured in-house and dry fit tested before dispatch, they install cleanly without reshaping or filler on site.
Available in a range of timbers to match your stair package, our bullnose risers are ideal for entrance halls, exposed staircases and premium builds that demand a polished start from step one.
Available Materials: MDF, Pine, Oak, Walnut, Accoya
Finishes: Curved face, stain or paint ready, pre-profiled for bottom step use
Fit Options: Supplied to suit left/right return, dry fit tested
Explore our bullnose risers for seamless first-step installation.
Stair Accessories UK
Brackets, Clamps & Fittings Designed for Fast, Secure Installs
CJG accessories are made to take your staircase from functional to fully finished.
Our clamps, brackets and fittings are built for secure fixing, smart presentation and seamless compatibility with both timber and glass systems.
Designed with installers in mind, each component is easy to position, secure and align without the need for improvised adjustments or custom fabrication.
Available Finishes: Stainless steel and chrome
Components: Glass clamps, ferrules, wall brackets
Fit Options: Compatible with timber and glass systems, fixings supplied where required
Shop our staircase accessories including wall brackets and ferrules.
Stair Mouldings and Trims Supplier UK
The Final Details That Make Every Staircase Feel Complete
CJG mouldings are the finishing details that bring a staircase together with precision and polish.
From base rails and cover moulds to nosings and trim components, every piece is cut to complement our stair systems and support a clean, cohesive install.
These elements may be small, but they are essential for visual consistency, compliance and high-spec presentation.
Each moulding is produced from the same timber stock as our stair parts to ensure grain, tone and profile alignment across the entire project.
When specifying materials, consider grain, tone and project demands - see our guide on how to choose the right timber for your project.
Available Materials: Pine, Oak, MDF
Finishes: Nosings, scotia, base rails, cover moulds and detail trims
Fit Options: Profile matched to CJG stair components, supplied in install-ready lengths
See our mouldings and trims for nosings, scotia and cover rails.
Trade Favourites: The Stair Parts That Builders Trust for Repeated Orders
You can tell a lot about a product by how often it gets re-ordered. These staircase parts have become go-to picks for trade buyers across housing developments, refurb projects and stair upgrades. If you’re sourcing with consistency in mind, this list is where many builders start.
Bullnose Risers – 95 Radius
Sets the tone from the first step
Chosen for its crisp curve and flawless finish, this is a first-step favourite in showhomes and premium projects where detail matters.
MDF Stair Treads
No-nonsense performance across every plot
Loved for its balance of cost, cut quality and consistency, this tread is a staple for joiners managing multiple installs with zero margin for error.
Stop Chamfered Spindles
The best of both worlds - classic look, trade practicality
With subtle design and clean machining, this profile hits the sweet spot between style and speed on site.
Standard Stair Risers (MDF)
Flush fitting and built for efficiency
Our moisture-resistant MDF risers are praised for their smooth face, clean edges and how well they finish without fuss.
Square Spindles
Minimalist, modern and always in demand
A reliable option for contemporary builds and refurb projects alike, thanks to its straight-line style and easy finish prep.
Staircase Parts Built for Builders. Delivered for Scale.
From high-spec renovations to multi-plot developments, our staircase components are manufactured to perform where it matters most - on site, under pressure, and with no margin for error.
These components are used across traditional staircase builds and bespoke designs alike - whether you're sourcing for spec homes or premium upgrades.
If you need staircase parts that deliver consistency, reliability, and technical clarity, you are in the right place.
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