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Brunel House


Sir William Siemens Square
GU16 8QD Frimley
Ref: 455

  • 18,700.00 - 59,165.00 ft² (1,737.29 - 5,496.61 m²)
  • 19.5 per ft²



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


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


The accommodation is available by way of a sublease or assignment.


Strictly by appointment by the sole agents.



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.

Energy Rating

Energy Rating

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Charles West
Matthew Parry

JLL for themselves and for the vendors or lessors of this property whose agents they are, give notice that:

  1. The particulars are set out as a general outline only for guidance and do not constitute, nor constitute part of, an offer or contract;
  2. All descriptions, dimensions, references to condition and necessary permissions for use and occupation, and other details are believed to be correct, but any intending purchasers, tenants or third parties should not rely on them as statements or representations of fact but satisfy themselves that they are correct by inspection or otherwise;
  3. No person in the employment of JLL has any authority to make or give any representation or warranty whatever in relation to the property;
  4. Any images may be computer generated. Any photographs show only certain parts of the property as they appeared at the time they were taken.

For properties in Scotland:

  1. This correspondence is expressly subject to completion of formal legal missives in accordance with Scots Law.

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