| AA | Appropriate Assessment |
| AAI | Architectural Association of Ireland |
| AAI | Area of Architectural Interest (England) |
| AADT | Annual Average Daily Traffic |
| AAWT | Annual Average Weekday Traffic |
| ABP | An Bord Pleanála |
| ACA | Architectural Conservation Area |
| ACM | Asbestos Containing Material (England) |
| ACV | Asset of Community Value (England) |
| AEP | Annual Exceedance Probability (relation to Flooding) |
| AFA | Area for Further Assessment |
| AGLV | Area of Great Landscape Value (England) |
| AGOL | ArcGIS Online |
| AHB | Approved Housing Body |
| AIA | Arboricultural Impact Assessment (England) |
| AIE | Access to Information on the Environment |
| AILG | Association of Irish Local Government |
| AIRO | All-Ireland Research Observatory |
| ANOB | Area of Outstanding Natural Beauty (England) |
| ANAH | L'Agence Nationale de l’Habitat (National Housing Agency) (France) |
| API | Application Programming Interface |
| AQA | Air Quality Assessment (England) |
| AQMA | Air Quality Assessment Area (England) |
| AR4 | Fourth Assessment Report of the Intergovernmental Panel on Climate Change |
| ASSI | Area of Scientific Special Interest (England) |
| BAP | Biodiversity Action Plan |
| BAT | Best Available Technology |
| BENELUX | Belgium, Netherlands & Luxemburg |
|
BEP | Best Environmental Practice | | BER | Building Energy Rating |
| BFF | Biodiversity & Flora & Fauna |
| BHLS | Bus with High Level of Service |
| BIM | Bord Iascaigh Mhara (Irish Sea Fisheries Board) |
| BMW | Biodegradable Municipal Waste |
| BnM | Bord na Móna |
| BREEAM | Building Research Establishment Environmental Assessment Methodology |
| BRT | Bus Rapid Transit |
| BSHF | Building & Social Housing Foundation (Scotland) |
| BWD | Bathing Water Directive |
| C&D | Construction & Demolition |
| CAAS | Conservation & Amenity Advice Service |
| CAD | Computer Aided Design |
| CAFE | Clean Air for Europe |
| CALCDA | Climate Action & Low Carbon Development Acts (2015) |
| CAP | Climate Action Plan (2019) |
| CAP | Common Agricultural Policy (European Union) |
| CARO | Climate Action Regional Office |
| CARS | Conservation Area Regeneration Scheme (Scotland) |
| CASP | Cork Area Strategic Plan |
| CB | Cost Benefit |
| CBD | Convention on Biological Diversity |
| CCE | Coordination Centre for Effects |
| CCF | Continous Cover Forestry |
| CCMA | County and City Management Association |
| CCS | Climate Change Strategy |
| CCS | Carbon Capture Storage |
| CDM | Construction (Design & Management) Regulations 2015 (England) |
| CDM | Clean Development Mechanism |
| CDP | County/City Development Plan |
| CEC | Commission of the European Communities |
| CEDaR | Centre for Environmental Data & Recording |
| CER | Commission for Energy Regulation |
| CEU | Council of the European Union |
| CFP | Common Fisheries Policy |
| CFRAM | Catchment Flood Risk Assessment & Management |
| CFRAMS | Catchment Flood Risk Assessment & Management Study |
| CFRQ | Collaborative Forest Resources Questionnaire |
| CfSH | Code for Sustainable Homes (England) |
| CGET | Commissariat General for Territorial Equality (France) |
| CGPP | Cleaner Greener Production Programme |
| CHP | Combined Heat & Power |
| CIL | Community Infrastructure Levy |
| CIS | Common Implementation Strategy |
| CLEUD | Certificate of Lawfulness of Proposed Use or Development |
| CNG | Compressed Natural Gases |
| COFORD | National Council for Forest Research & Development |
| COMIFAC | Central African Forest Commission |
| CORINE | Coordinated Information on the Environment |
| CPO | Compulsory Purchase Order |
| CRU | Commission for Regulation of Utilities |
| cSAC | Candidate Special Area of Conservation (designated by EU Habitats Directive) |
| CS | Chartered Surveyor |
| CSO | Central Statistics Office |
| D&B | Design & Build (Building Procurement) |
| DAC | Disability Access Certificate |
| DAFM | Department of Agriculture, Food & the Marine |
| DAHG | Department of Arts, Heritage & the Gaeltacht |
| DAHRRGA | Department of Arts, Heritage, Regional, Rural & Gaeltacht Affairs |
| DAU | Development Applications Unit |
| DCCAE | Department of Communication, Climate Action & the Environment |
| DCENR | Department of Communications, Energy & Natural Resources |
| DCMNR | Department of Communications, Marine & Natural Resources |
| DCN | Districts Council Network (England) |
| DECLG | Department of Environment, Community & Local Government |
| DEHLG | Department of Environment, Heritage & Local Government |
| DGOM | Department of Overseas France |
| DHPCLG | Department of Housing, Planning, Community & Local Government |
| DHPLG | Department of Housing, Planning & Local Government |
| DHUP | Direction de l'Habitat, de l'Urbanisme et des Paysages (Directorate of Housing, Urbanism & Landscape) (France) |
| DIP | Decision in Principle (Planning) (England) |
| DMURS | Design Manual for Urban Roads and Streets |
| DNND | Dublin Networked Neighbourhood Database |
| DoCoMoMo | Documentation & Conservation of the Buildings, Sites & Neighbourhoods of the Modern Movement |
| DoH | Department of Health |
| DoT | Department of Taoiseach |
| DPD | Development Plan Document (England) |
| DPH | Dwellings Per Hectare (England) |
| DTTAS | Department of Transport, Tourism & Sport |
| EAG | External Adivsory Group |
| EAP | Environmental Action Programme |
| EBM | Ecosystem-Based Management |
| EC | European Commission |
| ECJ | European Court of Justice |
| EDEN | Environmental Data Exchange Network |
| EEA | European Environment Agency |
| EEC | European Economic Community |
| EEZ | Exclusive Economic Zone |
| EFSOS | European Forest Sector Outlook Study |
| EfW | Energy for Water (England) |
| EHO | Empty Homes Officer (Scotland) |
| EIA | Environmental Impact Assessment |
| EIAR | Environmental Impact Assessment Report |
| EIS | Environmental Impact Statement |
| ELD | Environmental Liability Directive |
| ELVs | Emission Limit Values |
| EMEC | European Marine Energy Centre |
| EMRA | Eastern & Midland Regional Assembly |
| ENGO | Environmental Non-Government Organisation |
| EOR | Enhanced Oil Recovery |
| EPA | Environmental Protection Agency |
| EPBD | Energy Performance of Buildings Directive |
| EQS | Environmental Quality Standard |
| ER | Environmental Report |
| ESB | Electricity Supply Board |
| ESM | Environmental Sensitivity Mapping |
| ESR | Effort Sharing Regulation |
| ESRI | The Economic and Social Research Institute |
| Esri | Environmental Systems Research Institute |
| ETS | Economic Trading Scheme |
| EV | Electric Vehicle |
| FAO | Food & Agriculture Organisation of the United Nations (European Union) |
| FAOSTAT | Food & Agricutlure Orgnaisation Corporate Stastic Database |
| FD | Foreign Direct |
| FDI | Foreign Direct Investment |
| FDSP | Forest District Strategic Plan |
| FEPS | Forest Environment Protection Scheme |
| FGRM | Forest Genetic Reproductive Material |
| FI | Further Information (in the context of a Planning Application) |
| FMP | Forest ManagEment Plan |
| FNADT | Fonds National d'Aménagement et de Développement du Territoire (National Fund for Land Use Planning & Development) (France) |
| FPC | Fee Per Case |
| FRA | Flood Risk Assessment |
| FRIMS | Forest Research Information Management System |
| FPM | Freshwater Pearl Mussel |
| FRMP | Flood Risk Management Plan |
| FRR | Flood Risk Review |
| FSC | Fire Safety Certificate |
| GBIF | Global Biodiversity Information Facility |
| GDA | Greater Dublin Area |
| GDSDS | Greater Dublin Strategic Drainage Study |
| GEO | Global Environment Outlook |
| GES | Good Environmental Status |
| GHG | Greenhouse Gas |
| GIA | Gross Internal Area (Area of building measured to the internal face of the perimeter wall) (England) |
| GIS | Geographic Information Systems |
| GNI | Gas Network Ireland |
| GPDO | General Permitted Development Order 2015 (England) |
| GPS | Global Positioning Systems |
| GSI | Geographic Survey of Ireland |
| GUI | Graphical User Interface |
| GW | Gigawatt |
| GWP | Global Warming Potential |
| Ha | Hectare |
| HARP | Historic Area Rejuvenation Project |
| HBS | Help to Buy Scheme (England) |
| HCA | Homes & Communities Agency (England) |
| HCI | Heritage Council of Ireland |
| HEFS | High End Future Scenario (relation to Flooding) |
| HHSRS | Housing Health & Safety Rating System (England) |
| HLMO | High-Level Marine Objectives |
| HNDA | Housing Need Demand Assessment |
|
HNV | High Nature Value | | HOOW | Harnessing Our Oceans Wealth - An Integrated Marine Plan for Ireland |
| HOPS | Heads of Planning Scotland |
| HPW | High Priority Water Course |
| HRA | Habitat Regulations Assessment (England) |
| HSA | Health & Safety Authority |
| HVAC | High Voltage Alternating Current |
| HVDC | High Voltage Direct Current |
| HWRC | Household Waste Recycling Centre (England) |
| IAEG | Inter-Agency Expert Group |
| IAEG-SDGs | Inter-Agency Expert Groups for Strategic Goal Indicators |
| IAF | Irish Architecute Foundation |
| IAIA | International Association for Impact Assessment |
| IARC | Irish Architectural Archive |
| IBEC | Irish Business and Employers Confederation |
| IBIA | Integrated Biodiversity Impact Assessment |
| ICOMOS | International Council on Monuments & Sites (England) |
| ICT | Information and Communications Technology |
| ICES | International Council for the Exploration of the Seas |
| ICZM | Integrated Coastal Zone Management |
| IDA | Industrial Development Authority |
| IDP | Infrastructure Development Plan (England) |
| IEEE | Institute Of Electrical & Electronic Engineers |
| IEI | Institution of Engineers of Ireland |
| IFLA | International Federation of Landscape Architects |
| IFNC | International Forum on Natural Capital |
| IFORIS | Intergrated Forestry Information Systems |
| IFS | Indicative Forestry Strategies |
| IGS | Irish Georgian Society |
| IHBC | Institute of Historic Building Conservation (England) |
| ILI | Irish Landscape Institute |
| IMO | International Maritime Organisation |
| IMP | Integrated Maritime Policy |
| INDC | Intended Nationally Determined Contribution |
| INFF | Irish National Flood Forum |
| INSPIRE | Infrastructure for Spatial Information in the European Community |
| INTBAU | International Network for Traditional Building, Architecture & Urbanism |
| IOSEA | Irish Offshore Strategic Environmental Assessment |
| IPI | Irish Planning Institute |
| IRBD | International River Basin District |
| IRLOGI | Irish Organisation for Geographic Information |
| IPPC | Intergovernmental Panel on Climate Change |
| IROPI | Imperative Reasons of Overriding Public Interest |
| IPPC | Integrated Pollution Prevention & Control |
| ISus | Irish Sustainable Development Model |
| ITDP | Institute for Transportation & Development Policy (United States of America) |
| ITTO | International Tropic Timber Organisation |
| JI | Joint Implementation |
| JR | Judicial Review |
| JRC | Directorate General Joint Research Centre, European Commission |
| JMWMS | Joint Municipal Waste Management Strategy (England) |
| KTG | Knowledge Transfer Group |
| KWETB | Kildare and Wicklow Education & Training Board |
| Kwh | KiloWatt Hour |
| LA | Local Authority |
| LAP | Local Area Plan |
| LASNTG | Local Authority Services National Training Group |
| LBAP | Local Biodiversity Action Plan |
| LCA | Landscape Character Assessment |
| LDA | Land Development Agency |
| LEA | Local Economic Assessment (England) |
| LECP | Local Economic & Community Plan |
| LEO | Local Enterprise Office |
| LGMA | Local Government Management Agency |
| LiDAR | Light Detection & Ranging |
| LIHAF | Local Infrastructure and Housing Activation Fund |
| LLD | Local Landscape Designation (England) |
| LNR | Local Nature Reserve (England) |
LOS | Level of Service | | LRT | Light Rail Transit |
| LSOAS | Lower Super Output Areas (England) |
| LTACC | Local Traveller Accommodation Consultative Committee |
| LU | Land-Use |
| LUCF | Land-Use Change & Forestry |
| LULUCF | Land Use, Land-Use Change and Forestry |
| LUTS | Land Use and Transportation Study |
| MASP | Metropolitan Area Strategic Plan |
| MCA | Multi-Criteria Analysis |
| MCG | Inter-Departmental Marine Coordination Group |
| MCZ | Marine Conservation Zone (England) |
| MEANS | Means for Evaluating Actions of a Structural Nature |
| MEES | Minimum Energy Efficiency Standards (England) |
| MHCLG | Ministry for Housing, Communities and Local Government (England) |
| MMU | Minimum Mapping Unit |
| MODIS | Moderate Resolution Imaging Spectroradiometers |
| MOLAND | Monitoring Land Use/ Cover Dynamics |
| MPA | Marine Protected Area |
| MPDM | Marine Planning & Development Management Bill |
| MPW | Medium Priority Watercourse |
| MRFA | Mid-Range Future Scenario (relation to Flooding) |
| MSFD | Marine Strategy Framework Directive |
| MSP | Municipal Solid Waste (England) |
| MSY | Maximum Sustainable Yield |
| Mt | Megaton |
| MTR | Mid-Term Review |
| MXD | Map Exchange Document |
| NACE | Statistical Classification of Economic Activities in the European Community |
| NAMA | National Asset Management Agency |
| NAP | National Allocation Plan |
| NAQS | National Air Quality Strategy (England) |
| NBA | National Building Agency |
| NBAP | National Biodiversity Action Plan (2017-2021) |
| NBDC | National Biodiversity Data Centres |
| NBP | National Biodiversity Plan |
| NCA | Natural Capital Accounting |
| NCCAF | National Climate Change Adaptation Framework |
| NCCS | National Climate Change Strategy |
| NCP | National Oil Spill Contingency Plan |
| NDP | National Development Plan (2007-2013) |
| NDCA | National Dialogue on Climate Action |
| NEC | National Emission Ceilings Directive |
| NEPA | National Environmental Policy Act (United States of America) |
| NESC | National Economic and Social Council of Ireland |
| NFI | National Forestry Inventory |
| NFMA | National Forest Management Plan (United States of America) |
| NGO | Non-Governmental Organisation |
| NHA | National Heritage Area |
| NHBC | National House Building Council Scheme (England) |
| NIA | Noise Impact Assessment (England) |
| NIAH | National Inventory of Architectural Heritage |
| NIE | New Institutional Economics |
| NIEA | Northern Ireland Environment Agency |
| NIR | Natura Impact Report |
| NIS | Natura Impact Statement |
| NLS | National Landscape Strategy (2015-2025) |
| NLUD | National Land Use Database (England) |
| NOAC | National Oversight & Audit Commission |
| NMP | National Mitigation Plan |
| NMPF | National Marine Planning Framework |
| NPF | National Planning Framework |
| NPNRU | Programme National de Renouvellement Urbain (National Urban Renewal Programme) (France) |
| NPPF | National Planning Policy Framework (England) |
| NPPG | National Planning Policy Guidance (England) |
| NSAD | National Strategy for Angling Development |
| NSAI | National Standards Authority of Ireland |
| NPWS | National Parks and Wildlife Service |
| NRA | National Roads Authority (now TII) |
| NSDB | National Soil Database |
| NSS | National Spatial Strategy |
| NTA | National Transport Authority |
| NWFP | Non Wood Forest Product |
| NWPP | National Waste Prevention Programme |
| NWRA | Northern & Western Regional Assembly |
| NWS | Native Woodland Establishment Scheme |
| NWSMP | National Water Safety Management Programme (England) |
| NZEB | Nearly Zero Energy Building |
| OCAC | Oireachtas Climate Action Committee |
| OECD | Organisation for Economic Co-Operation and Development |
| OFAC | Observatory of Central African Forests |
| OGP | Office of Government Procurement |
| OMB | Office of the Ombudsman |
| OMPP | Overarching Marine Planning Policy |
| ONS | Office of National Statics (England) |
| OPAH | Opération Programmée d'Amélioration de l'Habitat (Scheduled Housing Improvement Operation) (France) |
| OPP | Outline Planning Permission |
| OPR | Office of the Planning Regulator |
| OPW | Office of Public Works |
| OREDP | Offshore Renewable Energy Development Plan |
| OTG | On the Ground |
| OSi | Ordnance Survey Ireland |
| OSPAR | Oslo & Paris Convention for the Protection of the Marine Environment of the North-East Atlantic |
| OS | Ordnance Survey |
| PA | Planning Authority |
| PA | Prior Approval (Planning) (England) |
| PCD | Public Consultation Day |
| PCPA | Planning & Compulsory Purchase Act 2004 (England) |
| PDA | Planning & Development Act (as amended) |
| PD | Permitted Development (England) |
| PDL | Previously Developed Land (England) |
| PFRA | Preliminary Flood Risk Assessment |
| PHH | Population & Human Health |
| PI 2040 | Project Ireland 2040 |
| PIE | Plan Implementation Evaluation |
| PINS | Planning Inspectorate (England) |
| PIP | Permission in Principle (Planning) (England) |
| pNHA | Proposed Natural Heritage Area |
| PNRQAD | Programme National de Requalification des Quartiers Anciens (National Programme for Requalification of Old Neighbourhoods) (France) |
| POMS | Programme of Measures |
| POP | Persistent Organic Pollutant |
| POSW | Planning Officers Society Wales |
| PP | Planning Permission |
| PPG | Planning Policy Guidance (England) |
| PPIP | Policy-Plan/Programme-Implementation Process |
| PPP | Plans, Policies & Programme (England) |
| PPR | Plan-Process-Results |
| PRPs | Pollution Reduction Programmes |
| pSPA | Proposed Special Protection Area (designate under EU Birds Directive) |
| PUA | Principal Urban Area (England) |
| QBC | Quality Bus Corridor |
| QS | Quantity Surveyor |
| RA | Regional Authority/ Assembly |
| RBD | River Basin District |
| RBMP | River Basin Management Plan |
| RDP | Rural Development Plan |
| REDZ | Rural Economic Development Zone |
| REIT | Real Estate Investment Trust |
| RES | Renewable Energy Scheme |
| RES-E | Renewable Energy Scheme - Electricity |
| RES-H | Renewable Energy Scheme - Heat |
| RESS | Renewable Electricity Support Scheme |
| RFRA | Regional Flood Risk Appraisal |
| RHI | Renewable Heat Incentive Scheme |
| RHIF | Rural Housing & Island Fund (Scotland) |
| RIAI | Royal Institute of Architects Ireland |
| RIBA | Royal Institute of British Architects (England) |
| RICS | Royal Institute of Chartered Surveyors (England) |
| RMP | Record of Monuments and Places |
| ROHS | Restriction of Hazardous Substances |
| RPA | Registered of Protected Areas (under WFD) |
| RPA | Root Protection Area (for trees/hedges) (England) |
| RPGs | Regional Planning Guidelines |
| RPS | Record of Protected Structures |
| RRDF | Rural Regeneration and Development Fund |
| RSESs | Regional Spatial and Economic Strategies |
| RTB | Residential Tenancies Board |
| RTPI | Royal Town Planning Institute |
| SA | Statutory Authority (Environmental Authorities for the purposes of SEA) |
| SA | Sustainability Appraisal (England) |
| SAC | Special Areas of Conservation (selected and designated under the EU Habitats Directive) |
| SAM | Scheduled Movement (England) |
| SANG | Suitable Alternative Natural Green Space (England) |
| SCSI | Society of Chartered Surveyors Ireland |
| SDG | Sustainable Development Goals |
| SDZ | Strategic Development Zone |
| SEA | Strategic Environmental Assessment |
| SEA ER | Strategic Environmental Assessment Environmental Report |
| SEAI | Sustainable Energy Authority Ireland |
| SECM | Strategic Environmental Constraints Mapping |
| SECs | Sustainable Energy Communities |
| SEHP | Scottish Empty Homes Partnership |
| SEZ | Sustainable Energy Zone |
| SFM | Sustainable Forest Management |
| SFRA | Strategic Flood Risk Assessment |
| SHD | Strategic Housing Development |
| SHLAA | Strategic Housing Land Availability Assessment (England) |
| SI | Statutory Instrument |
| SID | Strategic Infrastructure Development |
| SLA | Special Landscape Areas (England) |
| SME | Small & Medium Sized Enterprise |
| SMP | Sectoral Marine Plan |
| SNCI | Sites of Nature Conservation Interest (England) |
| SNIT | Le Shéma National d'Infrastructures de Transport (National Transport Infrastructure Strategy) (France) |
| SNWI | Strategy for Native Woodlands in Ireland (2016-2020) |
| SO | Sustainability Objectives |
| SOAS | Super Output Areas |
| SOP | Statutory Objection Period |
| SP | Senior Planner |
| SPA | Special Protection Area (designated under EU Birds Directive) |
| SPC | Strategic Policy Committee |
| SPD | Supplementary Planning Document (England) |
| SPG | Supplementary Planning Guidance (England) |
| SPPR | Specific Planning Policy Requirement |
| SRA | Southern Regional Assembly |
| SRO | Senior Reasonable Officer |
| SSSIs | Sites of Special Scientific Interest (England) |
| STP | Scotland’s Town Partnership |
| SuDS | Sustainable Drainage Systems |
| SUP | Single Use Plasticss |
| TAP | Traveller Accommodation Programmes |
| TCEHP | Town Centre Empty Homes Project (Scotland) |
| TCPA | Town & Country Planning Association (England) |
| TCQSM | Transit Capacity & Quality of Service Manual (United States of America) |
| TCRP | Transit Cooperative Research Programme (United States of America) |
| THEA | The Technological Higher Education Association |
| TII | Transport Infrastructure Ireland |
| TOD | Transport-Orientated Development |
| TPO | Tree Preservation Order |
| TRB | Transportation Research Board (United States of America) |
| TSS | Tree Shelter Scheme |
| TWh | TerraWatt Hour |
| UFW | Unaccounted for Water |
| UNCLOS | United Nations Convention on the Law of the Sea |
| UNECG | United Nations Economic Commission for Europe |
| UNESCO | United Nations Educational, Scientific & Cultural Organisation |
| UNFCCC | United Nations Framework Convention on Climate Change |
| UNSPF | United Nations Strategic Plan for Forests (2017-2030) |
| UoM | Unit of Management |
| UPH | Units per Hectare |
| URDF | Urban Regeneration and Development Fund |
| UWWT | Urban Waste Water Treatment |
| UWWTD | Urban Waste Water Treatment Directive |
| VFM | Value for Money |
| VSM | Visual Sensitivity Mapping |
| WAW | Wild Atlantic Way |
| WE | Welfare Economics |
| WEEE | Waste Electrical & Electronic Equipment |
| WEDG | Wind Energy Development Guidelines |
| WFD | Water Framework Directive |
| WIP | Work in Progress |
| WIS | Woodland Improvement Scheme |
| WMA | Waste Management Act (1996) |
| WPP | Waste Plan Process |
| WPS | Western Package Scheme |
| WSSP | Water Services Strategic Plan |
| WSZ | Water Supply Zone |
| WT | Wind Turbine |
| WTE | Wind Turbine Engineering |
