Bexley · DA17

Gas safety certificate in DA17 (Belvedere)? We'll point you the right way.

Covering Belvedere, Lessness Heath, including Erith, Northumberland Heath, West Heath. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in DA17 (Belvedere)

No gas safety engineer listed for DA17 (Belvedere) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.

Request a gas safety certificate in DA17 (Belvedere)

How to check a gas safety engineer is registered: see the Bexley page.

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DA17 (Belvedere) in a nutshell

DA17 covers Belvedere, Lessness Heath, in Bexley and Dartford. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for DA17

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Two councils in one district

DA17 is split between Bexley and Dartford. Some councils run their own landlord licensing, so check which one your home is in.

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

DA17 stretches across Belvedere, Erith, Northumberland Heath and more, so give your full postcode, not just 'DA17', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Mostly mains gas round here

Most homes in Bexley run on mains gas, so a standard boiler-and-hob check is what most people need.

Where's this from?ONS Census 2021, Bexley: 79.4% mains gas only
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New to gas safety certificates? 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

  • Every year: a check by a Gas Safe registered engineer.
  • Within 28 days: give your tenants a copy (new tenants get it before they move in).
  • Keep it: hang on to records for at least 2 years.

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

Next door to DA17

← Gas safety (CP12) across Bexley · all areas

Frequently asked questions

Which areas does DA17 cover?

DA17 (Belvedere, Lessness Heath) includes the wards of Belvedere, Erith, Northumberland Heath, West Heath, West Hill (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to DA17?

Neighbouring districts include DA18 (Erith Marshes), DA7 (Bexleyheath), DA8 (Erith), SE2 (Abbey Wood), DA6 (Bexleyheath) (ONS Postcode Directory via Doogal). A pro covering DA17 may well cover these too, so it's worth asking.

How many homes are in DA17?

About 6,940 households and 17,129 residents at the 2011 Census, across 342 active postcodes (Doogal / ONS Postcode Directory).

Which council area is DA17 in?

DA17 sits in Bexley, Dartford (postcodes.io). Parliamentary constituency: Bexleyheath and Crayford, Dartford, Erith and Thamesmead.

📊 The numbers behind this page
Postcode district
DA17 1
Areas covered
Belvedere, Lessness Heath 2
Active postcodes
342 3
Households (2011 Census, via Doogal)
6,940 2
Population (2011 Census, via Doogal)
17,129 2
Electoral wards
Belvedere, Erith, Northumberland Heath, West Heath, West Hill 4
Parliamentary constituencies
Bexleyheath and Crayford, Dartford, Erith and Thamesmead 4
Local authority
Bexley, Dartford 4
Households heated by mains gas only (Bexley built-up area)
79.4% 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.