Defined term

“development”

Defined in 41 Acts, 56 statutory instruments and 2 EU-derived instruments.

  1. The Associated British Ports (Immingham Green Energy Terminal) Order 2025 SI 2 definitions
  2. The Beacon Fen Energy Park Order 2026 SI 2 definitions
  3. The Biodiversity Gain Site Register Regulations 2024 SI
  4. The Boston Alternative Energy Facility Order 2023 SI 2 definitions
  5. Building Act 1984 Act
  6. The Building (Registered Building Control Approvers etc.) (England) Regulations 2024 SI
  7. Building Safety Act 2022 Act
  8. The Building Safety Levy (England) Regulations 2025 SI
  9. Capital Allowances Act 2001 Act
  10. Channel Tunnel Rail Link Act 1996 Act
  11. Children Act 1989 Act 2 definitions
  12. Coal Industry Act 1994 Act 2 definitions
  13. Commission Delegated Regulation (EU) 2020/1749 of 7 October 2020 amending Council Regulation (EC) No 428/2009 setting up a Community regime for the control of exports, transfer, brokering and transit of dual-use items EU regulation 4 definitions
  14. The Conservation of Habitats and Species Regulations 2017 SI
  15. Corporation Tax Act 2010 Act 2 definitions
  16. The Cory Decarbonisation Project Order 2025 SI
  17. Council Regulation (EC) No 428/2009 of 5 May 2009 setting up a Community regime for the control of exports, transfer, brokering and transit of dual-use items (Recast) EU regulation 4 definitions
  18. Countryside and Rights of Way Act 2000 Act
  19. Crofters (Scotland) Act 1993 Act 3 definitions
  20. Crossrail Act 2008 Act 2 definitions
  21. The Dogger Bank South East and West Offshore Wind Farms Order 2026 SI 4 definitions
  22. The Drax Power Station Bioenergy with Carbon Capture and Storage Extension Order 2024 SI
  23. The Electricity Works (Environmental Impact Assessment) (England and Wales) Regulations 2000 SI
  24. The Electricity Works (Environmental Impact Assessment) (England and Wales) Regulations 2017 SI 2 definitions
  25. Environment Act 2021 Act
  26. The Environmental Impact Assessment (Forestry) (England and Wales) Regulations 1999 SI
  27. The Export Control Order 2008 SI 2 definitions
  28. Export of Goods, Transfer of Technology and Provision of Technical Assistance (Control) Order 2003 SI 6 definitions
  29. Family Law Act 1996 Act
  30. Finance Act 1983 Act
  31. Finance Act 1987 Act
  32. Finance Act 1988 Act
  33. Finance Act 1993 Act
  34. Finance Act 2003 Act
  35. The Gate Burton Energy Park Order 2024 SI 2 definitions
  36. Government of Wales Act 2006 Act
  37. High Speed Rail (London - West Midlands) Act 2017 Act
  38. High Speed Rail (West Midlands - Crewe) Act 2021 Act
  39. Housing Act 1985 Act
  40. Housing and Planning Act 2016 Act
  41. The Immingham Open Cycle Gas Turbine Order 2020 SI 2 definitions
  42. The Investment Allowance and Cluster Area Allowance (Investment Expenditure) Regulations 2017 SI
  43. The Iran (Sanctions) (Nuclear) (EU Exit) Regulations 2019 SI 3 definitions
  44. The Iran (Sanctions) Regulations 2023 SI 3 definitions
  45. The Lake Lothing (Lowestoft) Third Crossing Order 2020 SI
  46. Land Compensation Act 1961 Act 2 definitions
  47. Land Compensation (Scotland) Act 1963 Act
  48. The Libya (Sanctions) (EU Exit) Regulations 2020 SI
  49. The Local Government (Best Value) Performance Indicators and Performance Standards (England) Order 2005 SI
  50. Localism Act 2011 Act
  51. The Marine Works (Environmental Impact Assessment) Regulations 2007 SI
  52. The Medworth Energy from Waste Combined Heat and Power Facility Order 2024 SI
  53. The Morecambe Offshore Windfarm Generation Assets Order 2025 SI 2 definitions
  54. The Myanmar (Sanctions) Regulations 2021 SI 2 definitions
  55. The National Health Service (General Medical Services Contracts) Regulations 2004 SI
  56. The National Health Service (General Medical Services Contracts) Regulations 2015 SI
  57. The National Security and Investment Act 2021 (Notifiable Acquisition) (Specification of Qualifying Entities) Regulations 2021 SI
  58. The Net Zero Teesside Order 2024 SI
  59. The Network Rail (Cambridge Re-Signalling) Order 2024 SI
  60. The Network Rail (Ferryboat Lane Footbridge Reconstruction) (Land Acquisition) Order 2021 SI
  61. The Network Rail (Kings Mill No. 1 Level Crossing) (Land Acquisition and Closure) Order 2018 SI
  62. The Network Rail (Old Oak Common Great Western Mainline Track Access) Order 2026 SI
  63. New Towns Act 1981 Act
  64. New Towns (Scotland) Act 1968 Act
  65. The North Lincolnshire Green Energy Park Order 2025 SI
  66. The Northumberland Line Order 2022 SI
  67. The Offshore Petroleum Production and Pipe-lines (Assessment of Environmental Effects) Regulations 1999 SI
  68. Oil Taxation Act 1983 Act
  69. The Persons subject to Immigration Control (Housing Authority Accommodation and Homelessness) Order 2000 SI
  70. Petroleum Royalties (Relief) and Continental Shelf Act 1989 Act
  71. Planning Act 2008 Act 3 definitions
  72. Planning and Infrastructure Act 2025 Act
  73. Planning (Hazardous Substances) Act 1990 Act
  74. Planning (Listed Buildings and Conservation Areas) (Scotland) Act 1997 Act 2 definitions
  75. Procurement Act 2023 Act
  76. The Provision of Information (Contractual Control) (Registered Land) Regulations 2026 SI
  77. Public Order Act 2023 Act
  78. The Renewables Obligation Order 2015 SI 2 definitions
  79. The Republic of Belarus (Sanctions) (EU Exit) Regulations 2019 SI 2 definitions
  80. The Riverside Energy Park Order 2020 SI
  81. Roads (Scotland) Act 1984 Act
  82. The Russia (Sanctions) (EU Exit) Regulations 2019 SI 2 definitions
  83. Sea Fisheries (Shellfish) Act 1967 Act
  84. The Silvertown Tunnel Order 2018 SI
  85. The Slough Multifuel Extension Order 2023 SI 2 definitions
  86. The South Humber Bank Energy Centre Order 2021 SI
  87. The Syria (Sanctions) (EU Exit) Regulations 2019 SI 3 definitions
  88. Taxation of Chargeable Gains Act 1992 Act
  89. Town and Country Planning Act 1971 Act 4 definitions
  90. Town and Country Planning Act 1990 Act 3 definitions
  91. The Town and Country Planning (Border Facilities and Infrastructure) (EU Exit) (England) Special Development Order 2020 SI
  92. The Town and Country Planning (Brownfield Land Register) Regulations 2017 SI 2 definitions
  93. The Town and Country Planning (Development Management Procedure) (England) Order 2015 SI
  94. The Town and Country Planning (Environmental Impact Assessment) Regulations 2017 SI
  95. The Town and Country Planning (General Permitted Development) (England) Order 2015 SI
  96. Town and Country Planning (Scotland) Act 1997 Act 4 definitions
  97. The Venezuela (Sanctions) (EU Exit) Regulations 2019 SI 2 definitions
  98. The Viking CCS Carbon Dioxide Pipeline Order 2025 SI 2 definitions
  99. The Zimbabwe (Sanctions) (EU Exit) Regulations 2019 SI

Definitions are taken from the instruments as published on zoomLaw, for guidance only. Check the instrument itself for its scope and any amendments.