Exclusive: Hot Weather Forces Part Of Parliament To Close
Portcullis House, which is on the opposite side of the road to the Houses of Parliament, was officially opened by the Queen in February, 2001, having cost £235m to build.
Article source: https://www.huffingtonpost.co.uk/entry/parliament-portcullis-house-closure_uk_62d031dae4b007c97c87ec7e