The Building Regulations 1991
At a glance
Enforced by
What's here
7 compliance obligations
Who this Act binds
Business-side actors with duties under this Act, ranked by how often they appear.
- Trader 5
- Client 1
Plus 1 non-business duty on Crown ministers, regulators, local authorities or tribunals — shown collapsed under each section below.
Other Acts binding the same actors
For each actor bound by this Act, the other UK Acts that bind them most often. Useful for understanding the full compliance landscape facing each role.
Traders also bound by 826 other Acts (top 5 shown)
- Value Added Tax Regulations 1995 1995 413 duties
- Companies Act 2006 2006 243 duties
- The Large and Medium-sized Companies and Groups (Accounts and Reports) Regulations 2008 2008 114 duties
- Insolvency (England and Wales) Rules 2016 2016 62 duties
- Building Societies Act 1986 1986 56 duties
Clients also bound by 65 other Acts (top 5 shown)
- Construction (Design and Management) Regulations 2015 2015 32 duties
- The Building (Higher-Risk Buildings Procedures) (Wales) Regulations 2025 2025 19 duties
- Building (Higher-Risk Buildings Procedures) (England) Regulations 2023 2023 17 duties
- Building Regulations (Northern Ireland) 2012 2012 14 duties
- Building Regulations 2010 2010 12 duties
What this Act requires
Sections that create concrete duties on businesses or carry penalties. Procedural and definitional sections are folded into the “Browse other sections” expander at the bottom of each group. Click any section title to read the source text on legislation.gov.uk.
Part I — General
Browse 2 other sections in this Part — procedural / definitional / commencement
Interpretation
Part II — CONTROL OF BUILDING WORK
Browse 7 other sections in this Part — procedural / definitional / commencement
Meaning of building work
Requirements relating to building work
Meaning of material change of use
Requirements relating to material change of use
Materials and workmanship
Limitation on requirements
Exempt buildings and work
Part III — RELAXATION OF REQUIREMENTS
Browse 1 other section in this Part — procedural / definitional / commencement
Power to dispense with or relax requirements
Part IV — NOTICES AND PLANS
Browse 5 other sections in this Part — procedural / definitional / commencement
Giving of a building notice or deposit of plans
Particulars and plans where a building notice is given
Full plans
Notice of commencement and completion of certain stages of work
Completion certificates
Part V — MISCELLANEOUS
Browse 6 other sections in this Part — procedural / definitional / commencement
Testing of drains and private sewers
Sampling of material
Supervision of building work otherwise than by local authorities
Revocations
Transitional provisions
Contravention of certain regu1ations not to be an offence
Schedules
Browse 7 other Schedules — structural / supplementary
REQUIREMENTS
EXEMPT BUILDINGS AND WORK
In paragraph 2, “agriculture” includes horticulture, fruit growing, the growing...
REVOCATION OF REGULATIONS
Buildings not frequented by people
Temporary buildings
Extensions
Other sections — not classified into a Part
These sections sit outside the numbered Parts — usually provisions added or moved by later amendments.
Requirements relating to building work
- Ensure building work meets all safety and technical standards Trader
Requirements relating to material change of use
- Ensure buildings meet safety standards when changing their use Client
Materials and workmanship
- Use proper materials and professional workmanship for building work Trader
Giving of a building notice or deposit of plans
- Submit a building notice or deposit full plans before starting work Trader
Full plans
- Submit full plans in the correct format for building work Trader
Notice of commencement and completion of certain stages of work
- Notify the local authority of building work commencement and completion Trader
Completion certificates
Other duties (1) — Crown / regulator
- Local authorities must issue completion certificates for building work Local authority
Browse 14 other sections
Citation and commencement
Interpretation
Meaning of building work
Meaning of material change of use
Limitation on requirements
Exempt buildings and work
Power to dispense with or relax requirements
Particulars and plans where a building notice is given
Testing of drains and private sewers
Sampling of material
Supervision of building work otherwise than by local authorities
Revocations
Transitional provisions
Contravention of certain regu1ations not to be an offence
Enforcement and responsible bodies
The regulators that administer or enforce this legislation.
Health and Safety Executive
Workplace health, safety, and welfare regulation across all industries. Enforces the Health and Safety at Work Act 1974 and related regulations. Investigates …
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Browse legislation
Find other UK business legislation with related guidance.
Regulators
Learn more about the bodies that enforce this legislation.