| Affordable housing | A range of both subsidised and non-subsidised housing designed for those whose incomes generally deny them the opportunity to purchase or rent housing on the open market. |
| Amenity | A positive element or elements which contribute to the overall character of an area, for example open land, trees, historic buildings and the inter-relationship between all elements in the environment. |
| Density | Density is a measure of the intensity of use of housing land. It is calculated on the basis of the number of habitable rooms per hectare. |
| Development | Development is defined under the Town and Country Planning Act as "the carrying out of building, engineering, mining or other operation in, on, over or under land, or the making of any material change in the use of any building or other land."
Most forms of development require planning permission before they can be carried out. |
| Dwelling | A self-contained residential unit, occupied by (i) a person or group of people living together as a family, or (ii) by not more than six residents living together as a single household (including a household where care is provided for residents). |
| Energy efficiency | The term refers to the practice of constructing and arranging of buildings in such a way as to minimise the use of resources. It can also refer to the operation of machines and engines such as the car. Energy efficiency should reduce both use of resources and damage to the environment due to energy generation and consumption. |
| HAL | Home Appreciation Loan. |
| Infill schemes | Re-development of sites which have adjacent buildings (usually redevelopment of a plot that forms part of a terrace of buildings). |
| Mixed uses | Provision of a mix of complementary uses, such as say residential, community and leisure uses, on a site or within a particular area. |
| Planning permission | Formal approval by the Council, often with conditions, allowing a proposed development to proceed. Full permissions are usually valid for five years; outline permissions, where details are reserved for subsequent approval, are valid for three years. |
| Private open space | Open space which is usually privately owned and is not usually accessible by members of the public. Some private open spaces are subject to access agreements allowing some form of access. |
| Public open space | Urban space, designated by the Council, defined where public access is generally not formally established, but which fulfils or is capable of fulfilling a recreational and/or non-recreational role (for example, amenity, ecological, educational, social or cultural).
Includes most nature reserves, city farms, cemeteries, reservoirs (including covered reservoirs) and some private institutional and housing estate grounds which are not considered suitable for built development. |
| RAL | Relocation Appreciation Loan. |
| Registered Social Landlord (RSL) | A housing association or a not for profit company registered by the Housing Corporation to provide social housing. |
| Sheltered housing | Housing designed to meet the needs of the elderly, including a range of support services, such as an emergency alarm system, communal facilities and a resident warden. |
| Supplementary Planning Guidance | Additional advice, provided by the Council, on particular topic or policy areas, and related to and expanding upon statutory policies, for example, guidance on the design of roof extensions in a specific locality. |
| Traffic calming | Traffic management measures specifically designed to reduce vehicular speed along routes or through areas. Usually associated with improving the local environment and reducing road accidents. |
| Traffic management | The process of adjusting or adapting the use of a highway to meet specified objectives without resorting to substantial new road construction. |