B T R Building Services Ltd

Marsh Lane, Ware, SG12 9QN

80 High Street, Edgware, HA8 7EJ

30 High Street, Uxbridge, UB96BU

103 Church Lane, Cheshunt, WALTHAM CROSS, EN8 0DU

7 Sunningfields Crescent, London, NW4 4RD

23 High Street, Wheathampstead, AL4 8BB

Unit 1 Langhedge Industrial Estate, Wood Lane, London, N182TQ

Oak House Central Park, Reeds Crescent, Watford, Hertfordshire, WD24 4QN

7 Stirling Way, Borehamwood, WD6 2BT

Atlantic House, 7 Stirling Way, Borehamwood, WD6 2BT