Staircase Costs UK — What to Charge for Staircase Supply and Fit in 2026

Staircase Types and Supply Costs

Material cost varies enormously depending on species, configuration, and whether the customer is buying a flat-pack kit or a made-to-measure flight. Here's where UK supplier prices sit in 2026:

Prices are trade supply, ex-VAT, based on UK suppliers mid-2026. Bespoke hardwood fabrication varies by stairs company.

Labour Rates for Staircase Fitting

A skilled joiner fitting a standard kit can realistically earn £300–£500 per day on staircase work once they've done it a few times. Curved or bespoke flights take longer and justify a higher day rate or a fixed project price. Below are benchmarks for common scopes:

Two-person crew adds roughly 30–40% to labour cost but cuts time in half on bespoke flights — factor both options into your quote.

Total Supply-and-Fit Pricing

When presenting a quote to a customer, most joiners bundle supply and fit into a single figure. Here's what the full job typically costs end to end:

• 1
  Basic straight pine — £900 to £1,800 total. Kit staircase, softwood newels and spindles, painted finish. One joiner, one to two days. Common in new-build and loft conversions where speed matters more than spec.
• 2
  Mid-range straight oak — £2,500 to £5,000 total. Oak kit with matching newel posts, oak handrail, square or turned spindles. One to two days, possibly with a mate for the heavy lift. Most common domestic replacement job.
• 3
  Premium curved oak — £6,000 to £15,000+ total. Bespoke fabricated flight, glass balustrade, solid oak treads. Two-person crew, three to four days. High-end renovations, large entrance halls.
• 4
  Open-tread floating staircase — £4,500 to £9,000 total. Structural engineer often required. Glass or cable side panels. Budget separately for any RSJ or trimmer joist work.

Building Regulations: What You Need to Know

Any staircase serving a habitable floor (including loft conversions) must comply with Approved Document K — Protection from Falling, Collision, and Impact. These are the key numbers:

• Baluster spacing: maximum 99 mm clear between balusters — a 100 mm sphere must not pass through.
• Handrail height: 900 mm to 1,000 mm measured vertically from the pitch line of the nosings.
• Headroom: minimum 2,000 mm measured vertically from the pitch line. Loft staircases get a reduced minimum of 1,800 mm at the centre of the stair with 1,900 mm at the side.
• Stair pitch: maximum 42° for private stairs. Most domestic flights fall between 35° and 42°.
• Rise and going: maximum rise of 220 mm, minimum going of 220 mm. Rise + going should equal 550–700 mm.
• Open risers: permitted but the opening must not allow a 100 mm sphere to pass through (so open treads need a back lip or reduced step gap).

Always verify with building control before starting. Some councils inspect staircase work as part of a loft conversion sign-off; others spot-check on completion. Replacing a like-for-like staircase in the same position is generally permitted development, but if you're moving the stair position you'll need building regs approval.

Common Staircase Jobs

Replacing Balustrades Only

One of the most common enquiries. Customer wants to swap out old pine spindles for oak or glass. The stair structure stays; you're just removing the old newels, balusters, and handrail and fitting new. Usually a half-day to a full day. Margin is good because labour is low and you can mark up the balustrade kit.

New-Build Stair Fitting

Developers typically supply the kit; you fit to their spec. Fast work if the opening is already trimmed correctly. Watch for trimmer joists that aren't quite square — you'll spend half a day packing before the stair even goes in. Always confirm structural opening dimensions before pricing.

Loft Conversion Access Stairs

Where headroom or floor space is tight, a space-saver (alternating-tread) staircase is common. Kit costs £500–£1,200 supply; fitting is one day. Pitch runs 60°–70°, so technically outside standard Part K limits — permitted as a loft-only access stair under a separate provision, but confirm with building control.

Winding Stairs for Awkward Spaces

Quarter-turn or half-turn configurations where a straight flight won't fit. Requires careful setting-out: the winders must be cut so the going at the walking line (270 mm from the narrow edge) meets the minimum. This is where experience earns its money — cutting winders wrong wastes expensive material and triggers a regs fail.

How to Survey and Quote a Staircase Job

A proper site survey before quoting saves arguments later. Work through this checklist:

1. 1.Measure total rise: floor-to-floor height from finished floor level at the bottom to finished floor level at the top. Divide by your target rise (e.g. 200 mm) to get the number of risers.
2. 2.Measure available going: horizontal distance from nosing of bottom step to base of wall or newel at the top. This dictates tread depth and whether you can hit Part K requirements.
3. 3.Survey delivery access: a 13-step straight flight is typically 3.6 m long. Check the front door width, hallway, and any turns. Curved or bespoke flights may need to come in sections.
4. 4.Inspect the existing trimmer joists: the stair carriage sits on or against the trimmers. Check they're level, in good condition, and at the right height. Quote any remedial joist work separately.
5. 5.Confirm finish: painted, oiled, stained, or carpeted changes the prep time and affects which tread material to specify. Carpeted treads can be softwood; oiled or lacquered must be oak or better.
6. 6.Note wall finish: plasterwork around the staircase gets damaged on removal and during fit. Add a plaster-make-good allowance or flag it as a customer-supply item explicitly in your quote.

Upsell Opportunities Worth Mentioning

Once you're on site fitting a staircase, there are natural add-ons that increase job value without significantly extending time:

• LED step lighting: recessed LED strip or individual step lights cost £50–£150 per tread installed. A 13-tread flight with lighting adds £650–£2,000 to the job. The customer usually loves it; you're routing a groove and clipping in a driver.
• Understairs storage conversion: boxing in the void with a fitted door, shelving, or pull-out drawers. Supply and fit typically £500–£2,000 depending on complexity. Easy upsell when the customer is already watching the stair come out.
• Glass panel upgrade: switching from spindles to frameless glass panels adds £800–£2,000 to materials and two to four hours extra fitting. Opens up the hallway visually and is a popular premium option.
• Wax or lacquer finishing: if you don't do it yourself, refer a finisher and take a margin. Unfinished oak looks rough and the customer will come back to you when it marks. Quote finishing as a separate line item.
• Soft-close drawers under stairs: for understairs kitchenette or storage fit-outs. More cabinetry than staircase work, but a natural extension if you have the skills.

Carpenter vs Staircase Specialist: When to Use Which

Not every staircase job needs a staircase company. Understanding the difference saves you from under-pricing complex work or over-complicating simple jobs.

Use a kit staircase (carpenter fits)

• Straight or quarter-turn flight with standard dimensions
• New-build or loft conversion where spec is basic
• Customer budget under £3,000 all-in
• Replacement like-for-like with off-the-shelf spindle pack

Use a staircase specialist

• Curved, helical, or cantilevered flights requiring bespoke fabrication
• Structural steel spine or floating-tread design needing engineering input
• Non-standard dimensions (extra-wide, very shallow pitch, unusual materials)
• Customer budget above £8,000 where quality expectations require specialist finish

As a joiner, you can still earn on specialist jobs by managing the supply chain — sourcing the staircase, coordinating delivery and fitting, and adding your project management margin on top. You don't have to fit everything yourself to make money on everything you quote.

Common Pricing Mistakes to Avoid

• Not allowing for plaster make-good. Removing an old staircase always damages the surrounding plasterwork. Either include it or exclude it explicitly — leaving it ambiguous causes disputes.
• Ignoring delivery logistics. A 3.6 m stair flight delivered to a terraced house with a narrow hallway is a two-person job on arrival alone. Price accordingly or confirm the customer has help available.
• Assuming the floor-to-floor height is what the customer says it is. Always measure it yourself on survey. A 10 mm error in total rise creates a non-compliant riser height across every step.
• Not specifying what the quote includes. Handrail to top landing? Newel cap? Finishing? Customer assumes yes to everything if you don't specify. Line-item your quotes.
• Underpricing because you haven't done many staircase jobs. Kit staircases look simple but the setting-out, shimming, and scribing to walls takes experience. Price to your actual time, not the theoretical minimum.