Rents and Mortgage Interest Restriction Act 1915

The Increase of Rent and Mortgage Interest (War Restrictions) Act, 1915 (Rent Restrictions Act) is an Act of the Parliament of the United Kingdom which restricted increases in rent and the rate of mortgage interest during World War I. The Act was in place on 25 November 1915 with its restrictions retrospectively in place from 4 August 1914.

The Act was, in part, a result of a rent strike which had taken place in Glasgow between 1914-15 as landlords sought to capitalise on the large influx of people into Glasgow that the promise of war and munitions work had brought into Glasgow. At its peak the rent strike involved as many as 20,000 people with its influence extending to other working-class communities in the UK. The crisis of the rent strike was brought to a head when Mr. Nicholson, a factor in the Partick area of the city, sought the prosecution of eighteen strikers in the small debt court. On 17 November 1915, thousands of shipyard workers came out on strike and alongside what had become known as "Mrs Barbour's Army' descended on the court in Brunswick Place, Glasgow. Despite the possibility of further industrial unrest disrupting the supply of war munitions, the factor insisted on pursuing the case. Only when it was revealed that Lloyd-George had telephoned Nicholson's solicitor urging the prosecution to wait on the findings of a parliamentary Commission of Inquiry was the prosecution dropped. Within a month of the court case the Rent Restrictions Act was in place, and was designed to stop landlords from profiteering during the war years when housing demand was high and supply was low.

The act was divided into five sections:

The Act was initially intended as a temporary measure lasting during the continuance of the war and for a period of until six months after the end of the war. although certain sections were not actually repealed until 1989 when rents were deregulated during the third term of Margaret Thatcher's Conservative government.

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