A formal agreement to build a station at Harringay was made between the British Land Company and the Great Northern Railway in April 1884. The Land Company needed the station to serve housing it was building to the east of the railway line on the site of Harringay House, so it contributed £3,500 to the cost and agreed to bear the working costs of the station for an initial period. Contracts to build the station (including the footbridge) and a road bridge over the Tottenham & Hampstead line went to S.W. Pattinson of Ruskington for £8,000 and £3,999 respectively in August the same year.