TECHNICAL BLOCK A, HEATHROW AIRPORT

TECHNICAL BLOCK A, HEATHROW AIRPORT, CRANFORD LANE

Listed on the National Heritage List for England. Search over 400,000 listed places

Overview

Heritage Category:: Listed Building
Grade:: II
List Entry Number:: 1268530
Date first listed:: 02-Apr-1996
List Entry Name:: TECHNICAL BLOCK A, HEATHROW AIRPORT
Statutory Address:: TECHNICAL BLOCK A, HEATHROW AIRPORT, CRANFORD LANE

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Date:: 2007-09-29
Reference:: IOE01/16878/31
Rights:: © Mr Adam Watson. Source: Historic England Archive

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Official list entry

Heritage Category:: Listed Building
Grade:: II
List Entry Number:: 1268530
Date first listed:: 02-Apr-1996
List Entry Name:: TECHNICAL BLOCK A, HEATHROW AIRPORT
Statutory Address 1:: TECHNICAL BLOCK A, HEATHROW AIRPORT, CRANFORD LANE

This List entry helps identify the building designated at this address for its special architectural or historic interest.

Unless the List entry states otherwise, it includes both the structure itself and any object or structure fixed to it (whether inside or outside) as well as any object or structure within the curtilage of the building.

For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.

Understanding list entries

Corrections and minor amendments

This List entry helps identify the building designated at this address for its special architectural or historic interest.

For these purposes, to be included within the curtilage of the building, the object or structure must have formed part of the land since before 1st July 1948.

Understanding list entries

Corrections and minor amendments

Location

Statutory Address:: TECHNICAL BLOCK A, HEATHROW AIRPORT, CRANFORD LANE

The building or site itself may lie within the boundary of more than one authority.

County:: Greater London Authority
District:: Hillingdon (London Borough)
Parish:: Non Civil Parish
National Grid Reference:: TQ 09904 75971

Details

TQ 07 NE HATTON CRANFORD LANE

804-/47/10015 Technical Block A, Heathrow Airport

II

Maintenance headquarters and offices. 1950-55 by Sir E Owen Williams for the British Overseas Airways Corporation, now occupied by British Airways. Reinforced concrete with some brick facings to offices, flat asphalt roof. A logical plan devised to house the entire corporation, originally some 4,000 staff under a single roof A large range of offices along south facade and a smaller range to north of five storeys, between which runs a central triple-height spine of engineering workshops, 867'long. This is flanked on either side by pens (four, identified as north, south, east and west), with a further cross-axis of offices between. Long southern entrance facade 42- 48- 42- windows wid, set between concrete ribs and bands and forming a curtain wall. Two entrances in central sectio lead to staircases and workshop spine. 41 -42 -41 windows to north elevation, similarly treated. Between them are the pens, all save south pen extended c.1980 with lightweight steel structure to cope with larger interest; these are not of special interest but do not damage that of the structur within. Office walls within these pens. of regular and original fenestration. Side walls express 18' frame construction. Original entrances remain, with 336 spans bridged by cantilevers and a complex central beam, nine feet deep. Concrete roof of braced ribs supporting rooflights. The South Pen has not been extended, and retains its original folding doors, which in conjunction with Williams's expressive cantilevers make a particularly rhythmic composition. Other interiors: The central workshop spine is most impressive, with arched concrete roof on canted trusses, and with beams supporting moving cranes and balconies to second and third floors. Second floor board room, now Conference Room C, retains panelling installed' by the Design Research Unit. The other office spaces not of special interest, save for some original doors: these are identified by being varnished instead of painted. Sources: . David Cottam with Gavin Stamp, ed. 'Sir Owen Williams, 1890-1969', 1986.

Listing NGR: TQ0990475971

Legacy

The contents of this record have been generated from a legacy data system.

Legacy System number:: 461734
Legacy System:: LBS

Sources

Books and journals
D, Cottam, G, Stamp (Ed), Sir Owen Williams 1890-1969, (1986)

Legal

This building is listed under the Planning (Listed Buildings and Conservation Areas) Act 1990 as amended for its special architectural or historic interest.