What Approved Document B (Fire Safety) 2026 amendment - second staircase requirement for new residential buildings 18 metres and above (England) requires
The 2026 amendment to Approved Document B, the statutory guidance supporting requirement B1 of the Building Regulations 2010 under the Building Act 1984, introduces guidance that new blocks of flats with a storey 18 metres or more above ground level should be provided with more than one common staircase, alongside design provisions supporting evacuation lifts; it comes into force on 30 September 2026 with transitional arrangements.
Pillar: Construction & Real Estate · Authority: Ministry of Housing, Communities and Local Government (UK) · Version: 1.0.0 · Last updated:
Primary source: https://assets.publishing.service.gov.uk/media/66d57a94d107658faec7e448/AD_B_2026_amendments.pdf
SHA-256 integrity: 38be0e151ad9d47ccd60f36094e8c9f2aea6454a538de68c1bedbc2add97e942
Primary Citations — 6 traced to source
- Approved Document B (Fire Safety) - statutory guidance supporting requirement B1 of the Building Regulations 2010 under the Building Act 1984 (England)
- 2026 amendments: A new recommendation for more than one common stair to be provided in blocks of flats with a storey 18m or more in height
+ 4 more citations (full bibliography, deterministic workflow, actionable schema and crosswalks) included in the vault unlock — $0.01 via Skyfire / L402 / Direct Base USDC.
Access
- Discovery (free): /api/v1/nodes/uk-building-regs-second-staircase-adb-2026.json — 6-field metadata
- Vault (full node): /api/v1/vault/nodes/uk-building-regs-second-staircase-adb-2026.json — full 13-key payload, $0.01 USDC (L402/Skyfire/Direct Base)
- Canonical URL: https://bidda.com/intelligence/uk-building-regs-second-staircase-adb-2026
- Back to registry: Browse all 10,085 compliance nodes