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GlossaryGlossary – what do these acronyms and other odd words mean?

This glossary page will hopefully explain what the various acronyms and other phrases which are often banded around in planning and development. The page of jargon busters is constantly being added to, so please check back often. At the last count we have over 250!  The most comprehensive property A to Z that you will find!!

If something is missing, let us know.     Where we have information about a phrase, we will link to the relative page or section.

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AADT
AAWT
AAI
ACM
ACV
Adoption
AGLV
AIA
AIB
Affordable
Amenity
AML
AoHNE
AONB
Appeal
Appellant
AQA
AQMA
Article 2(3) Land
Article 2(4) Land
Article 2(5) Land
Article 4
ASDT
ASLI
ASSI
BC
BOPAS
BREEAM
Broads
Brownfield land
CA
CAD
Catchment
CBR
CC
CDM
CfSH
CGI
CGT
CHP
CIBSE
CIL
CIOB
CLEUD
CLG
CLOPUD
CLT
CLU
COL
Commuted Payment
Conservation Area
Core Strategy
COSHH
CPO
CPR
CPSE
CPZ
Curtilage
D&B
DAS
dB
DC
DCLG
DD
Decision Notice
DEFRA
Density
Development
Development Plan
DMDPD
DPD
DMPO
DPP
DPH
Dwellinghouse
EIA
Employment Land
EPC
EUV
Extant
FCA
Flood plain
FRA
Gateway Site
GDV
GEA
GIA
GPDO
Grampian
Green Belt
Greenfield
Habitable Room
HBS
HCA
HMO
HNWI
HOTs
HRA
HSE
HTB
IAQM
ICOMOS
ICR
IL
Inclusive Design
Infrastructure
IPMS
IPMS 1
IPMS 2
IPMS 3
IRR
JCT
Judicial Review Period
JV
KPI
KSA
KYC
LA
LBC
LBC
LDC
LDF
LEP
Listed building
LLA
LLFA
LLD
LLP
Local Plan
LPA
LTC
LTV
Major Development
Massing
Material Considerations
MBC
MDC
MEES
MHCLG
Minor Development
MV
MVP
National Parks
Natura 2000
NDEPC
Neighbourhood Plan
NIA
NIA
NIMBY
NLUD
NMIS
NPPF
NPPG
NSA
NSG
Open Space
Original Building
OS
Outline Application
Out of Town
Outrigger
PAT
PCPA
PDL
PEA
Permeable Surface
PINS
PiP
Planning Condition
Planning Obligation
Planning Permission
Policy Map
Plot Ratio
PoC
PPE
PPG
Pre-App
Prior Approval
Proposals Map
PS13/3
PS14/4
PTAL
PV
QS
QUANGO
Refusal
Regeneration
Reserved Matters
RIBA
RICS
RIDDOR
ROCE
ROTE
ROI
RPA
RSL
RTPI
S102
S104
S106
S278
S38
S73
S96A
SAC
SAMM
SANG
SAP
SBI
SDLT
SEA
SFRA
SHLAA
SHMA
SIPP
SIPs
SLA
SNCI
SoS
SPA
Space Standards
SPD
SPG
Splays
SPV
SSAS
SSCLG
SSE
SSSI
SuDS
Sui Generis
Sustainable Development
TCPA
TDC
The Broads
TPO
Transport Assessment
Travel Plan
UCO
UDP

UDPRN
UPRN
Use Classes
USRN
VC
Visibility Splay
VOA
VP
WHS
Wildlife Corridor
X-Axis
Y-Axis
YIMBY
Zero-carbon
Annual average daily traffic is the total volume of vehicle traffic on a road for a year divided by 365
Annual average weekday traffic
Areas of Archaeological interest
Asbestos Containing Material
Asset of Community Value
Confirmation of the finalisation of a development plan or local development document by the LPA
Area of Great Landscape Value
Arboricultural Impact Assessment
Asbestos Insulation Board
Social rented, affordable rented and intermediate housing provided to eligible households
A positive element or elements that contribute to the overall character or enjoyment of an area
Anti Money Laundering
Ardaloedd o Harddwch Naturiol Eithriadol (AONB in Welsh)
Area of Outstanding Natural Beauty
Process to challenge a negative planning decision.
One who appeals to the inspectorate regarding a refusal for planning
Air Quality Assessment
Air Quality Management Area
Conservation Area, AONB, the Broads, National Park, World Heritage Site
National Park, the Broads, certain land just outside a National Park
Areas within certain Local Authorities where restrictions to the GPDO exist
Direction removing some or all permitted development rights
Average Summer Daily Traffic
Areas of Special Landscape Importance
Area of Special Scientific Interest
Borough Council
Buildoffsite Property Assurance Scheme
Building Research Establishment Environmental Assessment Methodology (how “green” a new building is)
The Norfolk and Suffolk Broads
Land which is or was occupied by a permanent structure
Capital Allowances
Computer Aided Design
Designated area within which specific policies may apply
Californian Bearing Ratio – a penetration test used to evaluate the subgrade strength of roads and pavements
County Council or City Council
Construction (Design and Management) Regulations 2015
Code for Sustainable Homes
Computer Generated Image
Capital Gains Tax
Combined Heath and Power
Chartered Institute of Building Services Engineers
Community Infrastructure Levy
Chartered Institute of Building
Certificate of Lawful Existing Use or Development
Department for Communities and Local Government (now the MHCLG)
Certificate of Lawfulness of Proposed Use or Development
Cross-Laminated-Timber construction
Certificate of Lawful Use
Certificate of Lawfulness (listed buildings)
Payment made in lieu of recreational open space or affordable housing
Area of special architectural or historic interest
Document setting out long term spatial vision for the LPA
Control of Substances Hazardous to Health
Compulsory Purchase Order
Civil Procedure Rules
Commercial Property Standard Enquiries
Controlled Parking Zone
The area, usually enclosed, encompassing the grounds and buildings immediately surrounding a home
Design and Build (a popular form of building procurement)
Design and Access Statement
Decibel
District Council
Department for Communities and Local Government (now the MHCLG)
Due Diligence
Planning approval or permission issued by the LPA on a planning application
Department for Environment, Food and Rural Affairs
A measurement of either number of habitable rooms or number of dwellings per hectare
Defined in the 1990 Town & Country Planning Act describing “the carrying out of building, engineering, operation in, on or under land, or the making of any material change in the use of any building or other land”
Statutory Development Plan setting out the policies that direct future development in an area
Development Management Development Plan Document
Development Plan Document
Development Management Procedure Order (England) 2015
Detailed Planning Permission
Dwellings per hectare
Property containing a single person or by people to be regarded as forming a single household
Environmental Impact Assessment
Land identified for business, general industrial or storage and distribution as per the Use Classes
Energy Performance Certificate
Existing Use Value
Planning permission which is still valid and able to be implemented
Financial Conduct Authority
Low-lying areas adjacent to a watercourse, tidal lengths of a river or the sea, which can flood
Flood Risk Assessment
Key development area usually identified and containing opportunities for prominent prestige developments
Gross Development Value – the value of all the units on a site
Gross External Area – the area of a building measured externally
Gross Internal Area – the area of a building measured to the internal face of the perimeter wall
General Permitted Development Order (England) 2015
Planning condition preventing the build until off-site works have been completed on land not controlled by the applicant
Land around large built-up areas, which aims to keep this land permanently open or largely undeveloped
A site which has never previously been developed
Includes lounges, bedrooms, kitchens, studies, conservatories etc., but not bathrooms , cupboards etc.
Help to Buy Scheme
Homes and Communities Agency
House of Multiple Occupation
High net worth individuals
Heads of terms
Habitat Regulations Assessment
Health and Safety Executive
Help to Buy
Institute of Air Quality Management
International Council on Monuments and Sites
Interest Cover Ratio
Invert Level (pipes)
Designing the built environment to ensure that they can be accessed and used by everyone
Buildings, roads, schools, leisure facilities, churches, play areas, public open spaces etc.
International Property Measurement Standards
New international standard for Gross External Area (GEA)
New international standard for Gross Internal Area (GIA)
New international standard for Net Internal Area (NIA)
Internal Rate of Return
Joint Contracts Tribunal – standard forms of contract for use by the construction industry
A period of 6 weeks whereby a process of challenging the lawfulness of decisions of public authorities, usually local or central government
Joint Venture
Key Performance Indicator
Key Shopping Area
Know Your Customer – ID checking with solicitors etc.
Local Authority
Listed Building Consent
London Borough Council
Lawful Development Certificate
Local Development Framework
Local Economic Partnership
A building of special architectural or historic interest
Local Landscape Areas (Scotland)
Lead Local Flood Authority
Local Landscape Designations
Limited Liability Partnership
A development plan prepared by district and other local planning authorities
Local Planning Authority
Loan to Cost
Loan to Value
10 dwellings or more or a site greater than 0.5 hectares or a floor area of 1,000 sq. m. or more
Combined effect of the arrangement, volume and shape of a building or group of buildings in relation to other buildings and spaces
Consideration relating to the purpose of planning legislation
Metropolitan Brough Council
Metropolitan District Council
Minimum Energy Efficiency Standards
Ministry of Housing, Communities and Local Government
9 dwellings or less, or a site under 0.5 hectares or a proposed floor area of 999 sq. m. or less
Market Value
Minimum Viable Product
Nationally designated areas for protection of the landscape
A European network of protected sites consisting of SAC and SPA
Non-Domestic Energy Performance Certificate
Document prepared by a Parish or Town Council or Neighbourhood Forum
Net Internal Area – the useable area within a building measured to the internal face of the perimeter walls
Noise Impact Assessment
Not In My Back Yard
National Land Use Database – Land Use and Land Cover Classification
Non Mainstream Investment Scheme
National Planning Policy Framework
National Planning Policy Guidance
Net Sales Area
National Street Gazetteer
Open space of public value including land, water, canals, rivers, lakes and reservoirs
As a building existed on 1st July 1948 or if after when it was first constructed
Ordnance Survey
Planning permission to establish that the principle of planning is acceptable
Location outside of the existing urban area
Either a one or two storey on the rear of a house that is often a third or half in width and usually original containing kitchen etc. 
Portable Appliance Testing
Planning and Compulsory Purchase Act 2004
Previously Developed Land (formally known as brownfield)
Predicted Energy Assessment
Designed to allow rainwater to infiltrate through the surface
Planning Inspectorate
Permission in Principle
A condition imposed on a grant of planning permission
A legally enforceable obligation entered into under Section 106 to mitigate the impacts of a development proposal
Planning approval confirmed via a decision notice
See Proposals Map
The proportion of a development site covered by buildings
Profit on Cost
Personal Protective Equipment
Planning Policy Guidance
Pre planning application advice
A form of permitted development for a change of use
Part of the local plan showing development zones within the local community (or Policy Map)
FCA restrictions on the marketing of unregulated investments to members of the public
FCA regulatory approach to crowdfunding over the internet
Public Transport Accessibility Levels (Transport for London)
Photovoltaic (solar) panel
Quantity Surveyor
Quasi Autonomous Non-Governmental Organisation
Formal written notice that a planning application has been refused
The economic, social and environmental renewal and regeneration of an area
One or more matters reserved in an outline planning permission – access, appearance, layout, scale and landscaping
Royal Institute of British Architects
Royal Institute of Chartered Surveyors
Reporting of Injuries, Diseases and Dangerous Occurrences Regulations
Return on Capital Employed
Return on Time Employed
Return on Investment
Root Protection Area for trees
Registered Social Landlords are government-funded not-for-profit organisations that provide affordable housing
Royal Town Planning Institute (Chartered Town Planner)
Section 102 is an agreement for an already installed sewer to be adopted
Section 104 is an agreement to adopt a new sewer
Section 106 is a legal agreement between an applicant seeking planning permission and the local planning authority, which is used to mitigate the impact of your new home on the local community and infrastructure
Section 278 allows developers to enter into a legal agreement to alter the public highway
Section 38 is an agreement to make a road to adopted by the local authority
S73 of the Town & Country Planning Act 1990 allows minor material amendments to planning permission or an Application for removal or variation of a condition following grant of planning permission
Ability to make ‘non-material’ amendments to planning permission under S96A of the Town and Country Planning Act 1990
Special Area of Conservation
Strategic Access Management and Monitoring
Suitable Alternative Natural Greenspace
Standard Assessment Procedure – assessing the energy rating for a new home
Site of Biological Importance
Stamp Duty Land Tax
Strategic Environmental Assessment
Strategic Flood Risk Assessment
Strategic Housing Land Availability Assessment
Strategic Housing Market Assessment
Self Invested Personal Pension
Structural Insulated Panel system
Special Landscape Areas
Sites of Nature Conservation Importance
Secretary of State
Special Protection Area
Minimum sizes permitted for rooms or residential dwellings
Supplementary Planning Document
Supplementary Planning Guidance
The visibility at the junction of a road. The wider the opening or splay the further one can see.
Special Purpose Vehicle – a limited company or LLP set up for the sole purpose of one or more sites
Small Self-Administered Pension Scheme
Secretary of State for Communities and Local Government
Secretary of State for the Environment
Site of Special Scientific Interest
Sustainable Drainage Systems – Managing runoff from buildings and hard standings
Any planning use not falling within a specific use class
Where a development meets the needs of present generation without compromising future generations
Town and Country Planning Act 1990
Technical Details Consent
The Norfolk and Suffolk Broads
Tree Protection Order
Setting out the transport issues relating to a proposed development
Management strategy for an organisation or a site that seeks to deliver sustainable transport objectives
Use Classes Order – the Town & Country (Use Classes) Order puts properties into various planning categories
Unitary Development Plan
Unique Delivery Point Reference Number – deliverable address from Royal Mail
Unique Property Reference Number – could be houses, offices, bus stops, substations etc.
Classes which categorise land usage into groups
Unique Street Reference Number – all streets in Great Britain
Venture Capitalist
The visibility at the junction of a road. The wider the opening or splay the further one can see.
Valuation Office Agency
Vacant Possession Value
World Heritage Site – A cultural or natural site of outstanding universal value designated by the ICOMOS
Areas of habitat connecting wildlife populations
Horizontal axis on a chart
Vertical axis on a chart
Yes, In My Back Yard campaign group – opposite to NIMBY
Over a year, the net carbon emissions from all energy use in the home are zero

If you can add to this glossary please let us know.

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