Part 4th Floor, 3 Assembly Square, Britannia Quay, Cardiff
Cardiff, CF10 4PL

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Mark Siddons

The Agent

Mark Siddons
Associate Director

02920 346361
Ben Bolton

The Agent

Ben Bolton

02920 346376

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  • 7,374 sqft (685 sqm)
  • To let
  • £23 per sq ft


3 Assembly Square is a high specification building with full height glazed atrium. The building has spectacular views over Roath Basin and Cardiff Bay. It is a two minute walk from Mermaid Quay. Cardiff Bay has good rail links to Queen Street and Cardiff Central Railway with main line services to Swansea, Bristol and London. There is also a bus link which provides good access to all parts of the City and railway links.


The building comprises of the following specification:

Chilled beam air conditioning
Raised access floor with busbar system
Fitted kitchen and break out space
Concierge reception
Shower facilities, cycle parking and drying room
24 hour security and access
Disabled access and facilities
Furnished with existing fit out available for 60 staff .

The specification includes;

  • Grade A accommodation
  • 7 demised parking spaces
  • Fitted out and furnished for 60 staff
  • Generous breakout and kitchen facilities


Strictly by appointment with sole agents Cooke & Arkwright.


The office is available by way of an assignment or sub-lease of the existing lease - expiry 16th November 2029.

Business Rates

£11 per sqft

Cooke & Arkwright for themselves and for the vendor/lessor of this property whose agents they are give notice that: 1. These particulars do not constitute any part of an offer or contract. 2. All statements contained in these particulars are made without responsibility on the part of Cooke & Arkwright for the vendor/lessor and nothing contained in these particulars is to be relied upon as a statement or representation of fact. 3. Any intended purchaser/lessor must satisfy itself by inspection or otherwise as to the correctness of each of the statements contained in these particulars. 4. The vendor/lessor does not make or give and neither Cooke & Arkwright nor any person in their employment has any authority to make or give any representation/warranty whatsoever in relation to this property or any services. 5. All terms quoted exclusive of VAT unless otherwise stated. 6. Cooke & Arkwright is a trading name of Cooke & Arkwright Limited.

The Leekes Retail and Leisure Group have substantial property assets within the group and have engaged Andrew West to appeal against rating assessments on these properties since 2010. We have consistently been impressed by Andrew's knowledge of the property market and his negotiating skills have been exceptional. Given Andrew's outstanding performance, we would not hesitate to recommend Andrew to any business large or small seeking to appeal their rates liabilities.

Mike Fowler, Group Finance Director, Leekes Group