Enfield · N21

Plumbing compliance check in N21 (Winchmore Hill)? We'll point you the right way.

Covering Winchmore Hill, Bush Hill, Grange Park, including Bush Hill Park, Highfield, Oakwood. Find plumbers nearby.

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Request a plumbing compliance check in N21 (Winchmore Hill)

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N21 (Winchmore Hill) in a nutshell

N21 covers Winchmore Hill, Bush Hill, Grange Park, in Enfield. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for N21

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Enfield council area

N21 is in Enfield's area. Some councils run their own landlord licensing, so it's worth checking theirs.

Where's this from?postcodes.io (ONSPD) local authority
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Give your full postcode

N21 stretches across Bush Hill Park, Grange Park, Highfield and more, so give your full postcode, not just 'N21', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Postcodes change here

Lots of old N21 postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 558 of 960 postcodes active
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New to plumbing compliance checks? Here's what to expect, how to get ready and what it costs, in plain English. Read the quick guide →

England landlord rules: quick version

  • No single certificate: but keep water, heating and sanitation in repair.
  • Legionella: assess the risk for each let.
  • CO alarms: needed where there's a fixed combustion appliance (not gas cookers).

More detail on the Enfield page. Always double-check on GOV.UK.

Next door to N21

N13 · Palmers GreenEN2 · Botany BayN14 · SouthgateEN1 · Bush Hill ParkN9 · Lower EdmontonN22 · Wood Green

← Plumbing & water compliance across Enfield · all areas

Frequently asked questions

Which areas does N21 cover?

N21 (Winchmore Hill, Bush Hill, Grange Park) includes the wards of Bush Hill Park, Grange Park, Highfield, Oakwood, Southgate, Winchmore Hill (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to N21?

Neighbouring districts include N13 (Palmers Green), EN2 (Botany Bay), N14 (Southgate), EN1 (Bush Hill Park), N9 (Lower Edmonton) (ONS Postcode Directory via Doogal). A pro covering N21 may well cover these too, so it's worth asking.

How many homes are in N21?

About 9,276 households and 23,584 residents at the 2011 Census, across 558 active postcodes (Doogal / ONS Postcode Directory).

Which council area is N21 in?

N21 sits in Enfield (postcodes.io). Parliamentary constituency: Edmonton and Winchmore Hill, Southgate and Wood Green.

📊 The numbers behind this page
Postcode district
N21 1
Areas covered
Winchmore Hill, Bush Hill, Grange Park 2
Active postcodes
558 3
Households (2011 Census, via Doogal)
9,276 2
Population (2011 Census, via Doogal)
23,584 2
Electoral wards
Bush Hill Park, Grange Park, Highfield, Oakwood, Southgate, Winchmore Hill 4
Parliamentary constituencies
Edmonton and Winchmore Hill, Southgate and Wood Green 4
Local authority
Enfield 4
Households in converted/shared houses (Enfield built-up area)
6.5% 5
  1. ONS Postcode Directory
  2. Doogal
  3. Doogal / ONSPD
  4. postcodes.io
  5. ONS Census 2021

Made with open data. See where it all comes from. Updated 26 October 2026.