District guide · London

London Borough of Harrow

The London Borough of Harrow lies in west and north-west London, forming part of Outer London and encompassing the towns of Harrow, Pinner and Stanmore. Harrow...

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Plan London Borough of Harrow

Editorial responsibility: Elena Voss · Roavina Travel Editor

The London Borough of Harrow lies in west and north-west London, forming part of Outer London and encompassing the towns of Harrow, Pinner and Stanmore. Harrow School, the Heath Robinson Museum and Canons Park stand among its notable sites. Historical features including Grim's Ditch and Headstone Manor reflect the district's past.

Checked 2026-09-04

Practical information

Language spoken
English; Welsh is official in Wales
National practical orientation; regional and minority languages may also be used
Dialling code
+44
International calling code; local area and mobile prefixes still apply
Currency
Pound sterling (GBP)
Use the official local currency; card acceptance varies by place
Emergency number
999 or 112
Use only for an emergency; tourist assistance may use a separate number
Plug type
Type G · 230 V
Check that chargers support the recorded voltage before using an adapter
Tap water
Safe from the mains
Public water suppliers regulate mains drinking water; use cold mains taps

Top things to see

Ranked by importance — sitelinks, pageviews and heritage status, not editor preference.

Source: OpenStreetMap contributors, Wikidata ·