Technical Booklet R Access to and Use of Buildings·Page 13·1.4
Extensions - approach, entry and sanitary accommodation
Extensions must be independently accessible from the boundary and car parking, or have suitable access through the existing building. Sanitary accommodation must be provided within the extension or the existing facilities must be suitable and accessible.
An extension should be treated in the same manner as a new building. The extension should –
(a) be independently approached and entered from the boundary and from car parking within this boundary; or
(b) have suitable access provided through the building being extended.
Where sanitary accommodation is provided in a building that is being extended –
(c) then suitable sanitary accommodation should be provided within the extension; or
(d) the existing sanitary accommodation should also be suitable and accessible by the users of the extension.
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