The aim of the building recording was to provide a detailed record and assessment of the shelter prior to its demolition. The building recording was carried out to Level 2 (Historic England 2016) which is defined as: ...a descriptive record, made in similar circumstances to Level 1 but when more information is needed. It may be made of a building which is judged not to require a more detailed record, or it may serve to gather data for a wider project. Both the exterior and interior of the building will be seen, described and photographed. The examination of the building will produce an analysis of its development and use and the record will include the conclusions reached, but it will not discuss in detail the evidence on which this analysis is based. A plan and sometimes other drawings may be made but the drawn record will normally not be comprehensive and may be tailored to the scope of a wider project. In particular the record considered: � Plan and form of the site. � Materials and method of construction. � Date(s) of the structure. � Original function and layout. � Original and later fixtures and fittings. � The significance of the site in its immediate local context. A programme of historic building recording was carried out by Colchester Archaeological Trust on an air-raid shelter at the former Brentwood Police Station, London Road, Brentwood, Essex between March and May 2019. The first shelter is a simple brick-built structure with a concrete floor and roof, partially built into an earth bank. Being largely above-ground, it would have never survived a direct hit but was intended to shield its occupants from any flying debris or shrapnel resulting from the intensive bombing Brentwood received during World War II. The second shelter is a semi-sunken rectangular concrete structure covered with an earth bank. Located directly adjacent to La Plata House, it was clearly intended to provide shelter to the police officers accommodated there. Although it wouldnt have survived a direct hit, it would have shielded its occupants from any flying debris or shrapnel resulting from the intensive bombing Brentwood received during World War II.