Richmond · DL11

Gas safety certificate in DL11 (Swaledale)? We'll point you the right way.

Covering Swaledale, Arkengarthdale, including Hipswell & Colburn, Lower Teesdale, North Richmondshire. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in DL11 (Swaledale)

No gas safety engineer listed for DL11 (Swaledale) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.

Request a gas safety certificate in DL11 (Swaledale)

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DL11 (Swaledale) in a nutshell

DL11 covers Swaledale, Arkengarthdale, in County Durham and North Yorkshire. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for DL11

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Two councils in one district

DL11 is split between County Durham and North Yorkshire. 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

DL11 stretches across Hipswell & Colburn, Lower Teesdale, North Richmondshire and more, so give your full postcode, not just 'DL11', 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 Richmond run on mains gas, so a standard boiler-and-hob check is what most people need.

Where's this from?ONS Census 2021, Richmond: 78.1% 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.

Always double-check on GOV.UK.

Next door to DL11

DL10 · RichmondDL9 · Catterick GarrisonDL8 · WensleydaleDL12 · Barnard CastleDL13 · StanhopeDL2 · Staindrop

all areas

Frequently asked questions

Which areas does DL11 cover?

DL11 (Swaledale, Arkengarthdale) includes the wards of Hipswell & Colburn, Lower Teesdale, North Richmondshire, Upper Dales, Upper Teesdale (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to DL11?

Neighbouring districts include DL10 (Richmond), DL9 (Catterick Garrison), DL8 (Wensleydale), DL12 (Barnard Castle), DL13 (Stanhope) (ONS Postcode Directory via Doogal). A pro covering DL11 may well cover these too, so it's worth asking.

How many homes are in DL11?

About 2,231 households and 5,035 residents at the 2011 Census, across 453 active postcodes (Doogal / ONS Postcode Directory).

Which council area is DL11 in?

DL11 sits in County Durham, North Yorkshire (postcodes.io). Parliamentary constituency: Bishop Auckland, Richmond and Northallerton.

📊 The numbers behind this page
Postcode district
DL11 1
Areas covered
Swaledale, Arkengarthdale 2
Active postcodes
453 3
Households (2011 Census, via Doogal)
2,231 2
Population (2011 Census, via Doogal)
5,035 2
Electoral wards
Hipswell & Colburn, Lower Teesdale, North Richmondshire, Upper Dales, Upper Teesdale 4
Parliamentary constituencies
Bishop Auckland, Richmond and Northallerton 4
Local authority
County Durham, North Yorkshire 4
Households heated by mains gas only (Richmond built-up area)
78.1% 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.