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Last edited 06 Oct 2020
According to the Planning (Subterranean Development) Bill [HL] 2015-16, Terraced houses are defined as, 'a row of adjoining buildings where each building has a wall built at the line of juncture between itself and the adjoining property which provides structural support to itself and a building on the adjoining property.'
The English Housing Survey Housing Stock Report, 2014-15, prepared by the Department of Communities and Local Government, categorises terraced houses as:
 Small terraced house
A house with a total floor area of less than 70 sq. m forming part of a block where at least one house is attached to two or more other houses. The total floor area is measured using the original EHS (English Housing Survey) definition of usable floor area, used in EHS reports up to and including the 2012 reports.
That definition tends to yield a smaller floor area compared with the definition that is aligned with the Nationally Described Space Standard and used on the EHS since 2013. As a result of the difference between the two definitions, some small terraced houses are reported in the 2014 Housing Stock Report as having more than 70 sq. m.
 Medium/large terraced house
A house with a total floor area of 70 sq. m or more forming part of a block where at least one house is attached to two or more other houses. The total floor area is measured using the original EHS definition of useable floor area which tends to yield a small floor area compared with the definition used on the EHS since 2013.
 End terraced house
 Mid terraced house
NB Ministry of Housing, Communities and Local Government, Permitted development rights for householders, Technical Guidance, September 2019 defines a terraced house as:
- (a) it shares a party wall with, or has a main wall adjoining the main wall of, the dwellinghouse on either side or
- (b) if it is at the end of a row, it shares a party wall with or has a main wall adjoining the main wall of a dwellinghouse which fulfils the requirements of subparagraph (a).
 Related articles on Designing Buildings Wiki
- Approved documents.
- Back-to-back housing.
- British post-war mass housing.
- Domestic building.
- Double fronted house.
- Flat definition.
- Nationally Described Space Standard.
- Residential definition.
- Sheltered housing definition.
- Terraced houses and the public realm.
- Types of building.
- Use class.
- Use of railway carriages as holiday homes and permanent housing.
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