Harrow · HA1
EPC in HA1 (Harrow)? We'll point you the right way.
Covering Harrow, North Harrow, Northwick Park, including Greenhill, Harrow on the Hill, Headstone. Find accredited domestic energy assessors nearby.
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How to check an EPC assessor is registered: see the Harrow page.
HA1 (Harrow) in a nutshell
HA1 covers Harrow, North Harrow, Northwick Park, in Brent and Harrow. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for HA1
Two councils in one district
HA1 is split between Brent and Harrow. Some councils run their own landlord licensing, so check which one your home is in.
Where's this from?
postcodes.io (ONSPD) local authorityGive your full postcode
HA1 stretches across Greenhill, Harrow on the Hill, Headstone and more, so give your full postcode, not just 'HA1', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsPostcodes change here
Lots of old HA1 postcodes have been retired. If an old letter shows a different postcode, use your current one.
Where's this from?
Doogal/ONSPD: 960 of 1,796 postcodes activeEngland landlord rules: quick version
- When you let: you need a valid EPC, usually good for 10 years.
- Minimum E: most private lets need E or better, unless exempt.
More detail on the Harrow page. Always double-check on GOV.UK.
Next door to HA1
← Energy Performance Certificate (EPC) across Harrow · all areas
Frequently asked questions
Which areas does HA1 cover?
HA1 (Harrow, North Harrow, Northwick Park) includes the wards of Greenhill, Harrow on the Hill, Headstone, Marlborough, North Harrow, Northwick Park, West Harrow (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to HA1?
Neighbouring districts include HA3 (Harrow Weald), HA2 (North Harrow), UB6 (Greenford), HA7 (Stanmore), HA5 (Pinner) (ONS Postcode Directory via Doogal). A pro covering HA1 may well cover these too, so it's worth asking.
How many homes are in HA1?
About 14,194 households and 38,479 residents at the 2011 Census, across 960 active postcodes (Doogal / ONS Postcode Directory).
Which council area is HA1 in?
HA1 sits in Brent, Harrow (postcodes.io). Parliamentary constituency: Brent West, Harrow West.
📊 The numbers behind this page
- Postcode district
- HA1 1
- Areas covered
- Harrow, North Harrow, Northwick Park 2
- Active postcodes
- 960 3
- Households (2011 Census, via Doogal)
- 14,194 2
- Population (2011 Census, via Doogal)
- 38,479 2
- Electoral wards
- Greenhill, Harrow on the Hill, Headstone, Marlborough, North Harrow, Northwick Park, West Harrow 4
- Parliamentary constituencies
- Brent West, Harrow West 4
- Local authority
- Brent, Harrow 4
- Households privately renting (Harrow built-up area)
- 29.5% 5
- ONS Postcode Directory
- Doogal
- Doogal / ONSPD
- postcodes.io
- ONS Census 2021
Made with open data. See where it all comes from. Updated 26 October 2026.