External Staircase Portfolio — Continox UK
External Staircase & Fire Escape Projects

Fire escape staircases, garden access stairs and outdoor structural staircase systems — in hot-dip galvanised or powder-coated structural steel. BS 9999 compliant, UKCA marked. Residential from £3,500. Commercial multi-landing from £5,500.

Residential / HMO

Fire Escape — Single Flight

Single-flight or L-shape external fire escape for residential properties, HMOs and small commercial premises. Hot-dip galvanised or powder-coated. BS 9991 compliant.

From £3,500
Supply & installation excl. VAT
Commercial / Multi-Storey

Fire Escape — Multi-Landing

Multi-landing systems for commercial buildings, offices, hotels and schools. Full BS 9999 compliance, 3.0 kN/m commercial load. UKCA marked with structural calculations.

From £5,500
Supply & installation excl. VAT
Garden / Access

Outdoor Access Staircase

External garden stairs, terrace access, rooftop and outdoor landing structures. Galvanised or powder-coated steel, customised to the specific access requirement.

From £2,500
Supply & installation excl. VAT
All commercial fire escapes include:
BS 9999 Compliant UKCA Marked 3.0 kN/m Commercial Load Structural Calculations Included CAD Drawings PDF + DWG Hot-Dip Galvanised or Powder Coat Lead Time 4–6 Weeks Free On-Site Survey
All Projects 35+
Fire Escape 20
Commercial 12
Residential / HMO 10
Garden Access 6
Powder Coated 8

BS 9999 Compliant — Every Commercial Project

Every commercial fire escape staircase in this portfolio was designed, fabricated and installed to BS 9999 (fire safety in non-domestic buildings), with full structural engineering to BS EN 1090 and UKCA marking as standard. Residential installations comply with BS 9991.

  • Commercial fire escape from £5,500 excl. VAT
  • Residential / HMO from £3,500 excl. VAT
  • 3.0 kN/m commercial balustrade load — BS 6180
  • Min clear width 1000mm — BS 9999
  • Non-slip tread surface — open mesh or perforated
  • Hot-dip galvanised to BS EN ISO 1461
  • Powder coat — any RAL colour
  • Landing balustrade 1100mm — all commercial

For full legal requirements see our UK Staircase Building Regulations guide.

Documentation Included as Standard

Every Continox commercial fire escape installation includes the full compliance documentation package required for Building Control, fire risk assessment and licensing authority review — included in the project price, not charged as an extra.

Included with every commercial installation: structural calculations to BS EN 1090 and BS 9999, CAD drawings in PDF and DWG, UKCA marking and Declaration of Performance, and a dimensional compliance schedule confirming all BS 9999 and Approved Document K requirements.

Lead time: 4–6 weeks from survey to installation. On-site installation: 2–4 days for a multi-landing commercial system. For fire escape compliance information see our fire escape staircase page. For the full external range see our external staircase page.

External Staircase Projects
Free Survey, Full Documentation & Fixed-Price Quote

Free on-site survey, structural calculations, CAD drawings, UKCA marking and fixed-price quotation within 24 hours. Commercial fire escapes from £5,500 — installed across the UK.