AQMA             Air Quality Management Area

ARD                Airport Related Development

ASF                 Airport Supporting Facilities

BOAs              Biodiversity Opportunity Areas

CCHP             Combined Cooling and Heating Power

CHP                Combined Heating and Power

DCO                Development Consent Order

EA                   Environment Agency

ELNA              Employment Land Needs Assessment

GPDO             General Permitted Development Order

GTAA              Gypsy and Traveller Accommodation Assessment

HAL                 Heathrow Airport Limited

HMA                Housing Market Area

HMO               House of Multiple Occupation

LGS                 Local Green Space

LPA                 Local Planning Authority

MHCLG          Ministry of Housing, Communities and Local Government

ONS                Office for National Statistics

NPPF              National Planning Policy Framework

PPG                Planning Practice Guidance

PPTS              Planning Policy for Traveller Sites

RTPI                Royal Town Planning Institute

SFRA              Strategic Flood Risk Assessment

SHMA             Strategic Housing Market Assessment

SNCI               Site of Nature Conservation Importance

SPA                 Special Protection Area

SSSI                Sites of Special Scientific Interest

SuDs               Sustainable Drainage Systems

TER                 Target Emission Rate