Our Workshop Is in Portsmouth

Modern Staircases in Portsmouth

Continox is a bespoke staircase manufacturer based in Copnor, Portsmouth. Our workshop is here, our team is here, and your staircase is built here. No delivery charges, no travel surcharges, no waiting for a manufacturer from the other end of the country. We are your local staircase manufacturer.

PO3 5NH Our Postcode
200+ Projects Completed
£0 Delivery Charge (Local)
5.0★ Google Reviews

Why Local Matters

When you commission a staircase from a manufacturer 200 miles away, every site visit costs time and money — and mistakes are expensive to fix. When your manufacturer is in PO3, ten minutes from most Portsmouth addresses, the dynamics change completely.

We survey your property in person — not from photos or plans sent by email. We measure every wall, every floor level, every ceiling height. If something does not match the drawings, we catch it before fabrication — not on installation day. And if any adjustment is needed during or after installation, we are back the same day. No waiting for a fitter to drive down from Birmingham.

This is not a theoretical advantage. It is the practical reality of working with a manufacturer whose workshop is around the corner from your home.

Free local site surveys: For Portsmouth, Gosport, Fareham, Havant, Waterlooville, Chichester, and the wider PO postcode area, site surveys are always free, always in person, and always carried out by the same team that will build and install your staircase. Book a survey here.

Floating staircase installed in Portsmouth area by Continox Floating staircase — local Portsmouth area installation
Central spine staircase installed in Hampshire by Continox Central spine — manufactured at our Copnor workshop
Frameless glass balustrade installed in Portsmouth by Continox Frameless glass balustrade — local residential project
Oak staircase with glass balustrade Portsmouth area Oak + glass — the hybrid we build daily at our workshop

What We Build for Portsmouth Homes

Floating Staircase

From £7,900

Cantilever design, solid oak treads, powder coated steel. Optional LED integration from £8,500.

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Central Spine

From £9,500

Single steel beam, oak treads, frameless glass balustrade. The open-plan centrepiece.

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Glass Balustrade

From £350/m

Framed from £350/m, frameless from £450/m. Staircases, landings, Juliet balconies.

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Fire Escape Stairs

From £3,500

Galvanised or duplex. BS 9991 compliant. HMOs, care homes, schools, commercial.

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External Staircase

From £3,500

Garden access, balcony stairs, outdoor steel. Galvanised for 25–50+ year life.

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Balcony Railings

From £180/m

Steel and glass railings, Juliet balconies. Part K compliant, any RAL colour.

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Portsmouth Staircase Considerations

Victorian and Edwardian terraces

Portsmouth has one of the highest concentrations of Victorian and Edwardian terraced houses in Southern England — particularly in Southsea, Old Portsmouth, North End, and Copnor. These properties present specific staircase challenges: narrow hallways, tight turns, limited headroom, and load-bearing walls that restrict where a staircase opening can be formed. We have extensive experience working in these properties and designing staircases that fit the constraints while transforming the interior.

Loft conversions

Loft conversions are one of the most popular home improvements in Portsmouth — adding a bedroom, home office, or en-suite to a two-storey terrace. The staircase is the critical element that determines whether the loft feels like a genuine third floor or an afterthought. A bespoke steel-and-oak staircase with glass balustrade floods the stairwell with light and makes the loft access a feature rather than a necessity. For loft staircase design and regulations, see our loft conversion staircase ideas guide and our loft staircase regulations guide.

HMO fire escapes

Portsmouth has a large student population (University of Portsmouth) and a significant HMO market — particularly in the Southsea, Fratton, and Milton areas. If you are a landlord converting a property to HMO use, or upgrading an existing HMO to meet current fire safety standards, we supply and install galvanised fire escape staircases with full BS 9991 compliance documentation for HMO licensing applications. For the full requirements, see our HMO fire escape requirements guide.

Coastal environment

Portsmouth is a coastal city — salt air accelerates corrosion on external steelwork. For external staircases, fire escapes, and balcony railings in Portsmouth and the surrounding Solent coast, we recommend a duplex finish (galvanised + powder coat) rather than galvanising alone. The duplex system provides 40–60+ years of service life in a C3/C4 coastal environment, versus 20–40 years for galvanising alone. For the science behind this, see our galvanised fire escape lifespan guide.

New builds

New-build developments across the Portsmouth area — from Tipner to Cosham, Port Solent to Gunwharf — increasingly specify bespoke staircases as a differentiating feature. We work with developers, architects, and self-builders to design and install staircases during the construction phase, when integration is simplest and costs are lowest. For material comparisons, see our wood vs steel staircase guide.

Portsmouth Staircase Costs — 2026 Pricing

Product Price (Supplied & Installed) Lead Time
Floating staircase (steel + oak)From £7,9004–8 weeks
Floating staircase with LEDFrom £8,5004–8 weeks
Central spine + glass balustradeFrom £9,5004–8 weeks
Bespoke helicalFrom £11,5006–10 weeks
Glass balustrade (framed)From £350/m2–4 weeks
Glass balustrade (frameless)From £450/m2–4 weeks
Fire escape staircase (galvanised)From £3,5003–6 weeks
Fire escape (duplex — coastal spec)From £4,3003–6 weeks
External staircaseFrom £3,5003–6 weeks
Juliet balcony (glass)From £4001–2 weeks

All prices include design, manufacture, finishing, delivery, and installation. No delivery surcharges for Portsmouth and the PO postcode area — we are local. For a detailed cost breakdown, see our bespoke staircase cost guide.

Areas We Cover from Our Workshop

Area Distance from Workshop Delivery Charge
Portsmouth, Southsea, Copnor, Fratton0–5 milesFree
Gosport, Lee-on-Solent, Fareham5–10 milesFree
Havant, Waterlooville, Emsworth5–12 milesFree
Chichester, Bognor Regis15–25 milesFree
Southampton, Eastleigh, Winchester20–30 milesFree
Bournemouth, Poole, Salisbury40–60 milesFree
London (all postcodes within M25)75–90 milesIncluded in quote
Rest of Southern EnglandVariesIncluded in quote
LED floating staircase Portsmouth area Continox LED floating staircase — built at our Copnor workshop
Steel and oak staircase manufactured in Portsmouth Steel and oak — fabricated and finished in-house
Galvanised fire escape staircase Portsmouth HMO HMO fire escape — galvanised for Portsmouth's coastal environment
Open plan staircase with glass balustrade Portsmouth Open plan + glass — transforming a Portsmouth terrace

What Local Clients Say About Us

★★★★★

"Brilliant service from Mirek and the team at Continox. They've supplied a few internal staircases for my bespoke builds now, along with an external one. First class to deal with and the quality is spot on."

Ross Macpherson
Google Review — Verified
★★★★★

"Continox did a fantastic job supplying and installing a metal spine stair with oak treads in our self build house. It looks amazing, excellent workmanship. Miroslaw and his team were great to work with."

Chris Gwilliam
Self-build client — Google Review
★★★★★

"A very special contemporary staircase — thick solid oak treads floating on a black steel spine, with glazed handrail, chrome fittings and LED lights. Couldn't have been more professional. Everyone comments on it."

Nigel Smith
New-build client — Google Review
★★★★★

"We've worked with Continox for many years now, and they have consistently delivered exceptional results. Their professionalism, attention to detail, and commitment to quality have been evident on every project."

Craig Herbert
Armata Home Ltd — Google Review

Visit Our Workshop

Address Unit 2 Claybank Rd, Copnor, Portsmouth PO3 5NH
Phone 0800 861 1817
Local 02394 227 418
Email [email protected]
WhatsApp Chat with us
Hours Mon – Sat, 9:00 – 18:00
Parking Free on-site parking for visitors
[Google Maps embed — Unit 2 Claybank Rd, Copnor, Portsmouth PO3 5NH]
Your Local Staircase Manufacturer

Ready to Start Your Portsmouth Project?

Free site surveys across Portsmouth and the PO postcode area. Fixed-price quotes within 48 hours. No delivery charges — we are already here.