Ref 455

Brunel House

Sir William Siemens Square
GU16 8QD Frimley

To rent£19.50 per ft²
Size9,000-59,165 ft² / 836-5,496 m² (approx. 83-550 desks)


Brunel House provides the perfect solution for businesses looking to relocate to an established office location.

  • Tenant space with existing fit-out available
  • Flexible lease terms
  • Excellent on-site amenities including a restuarant, gym and shuttle bus
  • Secure office campus environment


Floor / UnitDescriptionSq ft Availability
2ndSecond Floor19,318Available
1stFirst Floor18,752Available
GroundGround Floor18,700Available
Total 59,165 


  • Flexible floor plates from 18,700 sq ft
  • Four pipe fan coil air conditioning
  • Metal tiled suspended ceilings
  • Full access raised floors
  • BREEAM rating - Very Good
  • EPC - C
  • Excellent car parking
  • Shower facilities
  • 24/7 site security
  • Office furniture could be made available


  • On-site cafe
  • On-site restaurant
  • On-site Nuffield gym
  • Shuttle bus
Read more description

Facilities services

  • Air-Conditioning
  • Car Parking
  • Fitted out
  • Furnished
  • Kitchen
  • Lifts
  • Manned reception
  • Plug and Play
  • Raised floors
  • Showers
  • Suspended Ceiling

Energy rating

Energy rating C

Location and Transport

Sir William Siemens Square is a landmark HQ office campus providing 183,868 sq ft of Grade A office accommodation across 4 buildings. Brunel House is currently available and offers 59,165 sq ft of Grade A office accommodation. The campus is accessed via the Chobham Road at the junction with the A325 Portsmouth Road, which links to the M3. The property is 1 mile from Junction 4 of the M3 and 12 miles south west of Junction 12 of the M25, offering quick access to the UK’s national motorway network, airports and only 33 miles from Central London.