Plumbers and electricians in Archway, Tufnell Park and Upper Holloway, N19

N19 runs from Archway and the foot of Highgate Hill down Junction Road to Tufnell Park, and up through Upper Holloway and Whitehall Park to Hornsey Lane. Most of it is in Islington, with edges in Camden and Haringey.

Homes in N19

In the three Islington wards that make up most of N19 (Junction, Hillrise and Tufnell Park), about a quarter to a third of households live in part of a converted or shared house: 24.8% in Junction, 24.9% in Hillrise and 34.0% in Tufnell Park. Purpose built flats, including large council and housing association estates, account for roughly half of homes. Social renting is high, at 36.6% to 44.4% of households. (Source: ONS Census 2021, TS044 Accommodation type (Nomis); ONS Census 2021, TS054 Tenure (Nomis))

Census 2021, % of households. (Source: ONS Census 2021, TS044 Accommodation type (Nomis); ONS Census 2021, TS054 Tenure (Nomis))

Conservation areas in and around N19

• Whitehall Park (CA7): A late Victorian estate laid out on the slope below Hornsey Lane, with many mature trees. (Source: Islington Council, Whitehall Park (CA7) design guidelines)
• Tufnell Park (CA11): Laid out in the 1860s and 1870s by Lord Tufnell, mostly villas and three and four storey terraces. (Source: Islington Council, Tufnell Park (CA11) design guidelines)
• Mercers Road/Tavistock Terrace (CA24) (Source: Islington Council, Conservation areas)
• St John's Grove (CA28) (Source: Islington Council, Conservation areas)
• Highgate Hill/Hornsey Lane (CA30) (Source: Islington Council, Conservation areas)

Conservation areas have extra planning controls on changes to the outside of buildings, so check before moving a boiler flue, adding external pipework or fitting an outdoor unit.

Water and pipes

Thames Water's 2025 reports put parts of N19 in the Crouch End and Gospel Oak supply zone (hardness mean 259 mg/l) and parts in the Holloway zone (mean 271 mg/l). Both are in the 'hard' band of 200 to 300 mg/l, so limescale in combi boilers, immersion heaters and showers is a regular job here. (Source: Thames Water, 2025 water quality zone reports (Holloway, Crouch End and Gospel Oak, Kentish Town, Muswell Hill and Hampstead Heath); Thames Water, Hard water)

Homes built before 1970 may have a lead supply pipe. Thames Water will replace its own section free if you replace yours and meet its criteria; the scheme is closed over winter and due to reopen in spring 2027. (Source: Drinking Water Inspectorate, Lead in drinking water; Thames Water, Lead pipe replacement)

Good to know in N19

• In converted houses, the soil stack, drains and main stopcock are often shared. Check your lease before booking, because the freeholder may be responsible for shared pipes.
• With social renting at 36.6% to 44.4% of households, many N19 residents should report repairs to the council or their housing association first rather than paying a private firm.
• Hillrise ward is already in Islington's selective licensing scheme, and Junction and Tufnell Park wards are due to join on 23 November 2026, so N19 landlords need a licence as well as a valid EICR and gas safety record.

Borough guides: plumbers in Islington · electricians in Islington · plumbers in Camden · electricians in Camden · plumbers in Haringey · electricians in Haringey

Questions about N19