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Last edited 22 May 2020
Right of support
Where properties adjoin, there may be a mutual right of support for both land and buildings. This can apply to buildings that are joined, buildings that rely on the support of adjacent land, and to the land itself. This means that if works are carried out to land, buildings, retaining walls, excavations and so on, or if structures are demolished, the right of support of adjoining properties must be maintained.
Support may be ‘subjacent’ (from below) or ‘adjacent’ (from the neighbouring property).
The right to support arises naturally for land and this right cannot be removed. If support is withdrawn, resulting subsidence, damages may be sought. However, this natural right does not apply to buildings.
- Where it is expressly granted. For example it may be set out in a conveyance deed or a transfer deed.
- Where it is impliedly granted or reserved. For example if properties are separated and the right was intended or mutual.
- By prescription. Where the additional burden has existed for 20 years or more.
The Party Wall etc. Act establishes a procedure for carrying out work to walls, boundary walls, party structures (such as floors) and excavations within 3 or 6 metres of a neighbouring building or structure (depending on the depth of the hole or of the proposed foundations). The Act requires that anyone carrying out such works must give notice of their intentions to adjoining owners and sets out procedures in the event that the adjoining owner does not agree to the proposed works. See Party Wall Act for more information.
 Find out more
 Related articles on Designing Buildings Wiki
- Basement excavation.
- Basement v cellar.
- Construction covered by the Party Wall Act of 1996.
- Derogation from grant.
- Land register.
- Party structure notice.
- Party wall act.
- Party wall surveyor.
- Quiet enjoyment.
- Responsibility for boundary features.
- Restrictive covenants.
- Right to light.
- Right to a view.
- Rights of way.
- Tree rights.
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