They are located to the east of the main Palace of Westminster complex, next to Portcullis House.

BBC: The Houses of Parliament

GGH, a firm of high-profile loss-adjusters who operate out of the Portcullis Suite of the insurers, Fortress Sure.

ECONOMIST: New fiction

As I lurked, coffee in hand, around Portcullis House this morning, nobody had a clue what would happen.

BBC: Reconciliation and rebuilding?

Portcullis House has been home to MPs' offices and committee rooms since 2001.

BBC: Portcullis House

Mr Bercow told the House magazine the contract for the plants - in the atrium of Portcullis House - had been in place since 2001 and should be renegotiated.

BBC: Portcullis House

Portcullis House, a parliamentary complex whose bland, airport-like atrium has become the 21st-century agora of British politics, pullulates with MPs from the 2010 Tory intake (who make up nearly half the parliamentary party).

ECONOMIST: Bagehot

It was only while travelling between Downing Street and Portcullis House, where he was due to appear before the work and pensions committee, that he could "smell and feel it was time to step away".

BBC: NEWS | UK | UK Politics | Blunkett quits after 'mistakes'

The joke doing the rounds in Portcullis House today is that this shouldn't be thought of as a vote on boundaries at all, but as a paving bill for an Ed-Vince partnership to take over from Nick 'n Dave.

BBC: Reading the signs

Warning against changes to the act, Justice minister Lord McNally said he wasn't opposed to "tweaking it" but he questioned whether "we want to send out the message that we are going to start lowering the portcullis of secrecy again".

BBC: Whitehall