Chepstow · NP16

EPC in NP16 (Chepstow)? We'll point you the right way.

Covering Chepstow, Sedbury, Beachley, including Bulwark and Thornwell, Caerwent, Chepstow Castle and Larkfield. Find accredited domestic energy assessors nearby.

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Request an EPC in NP16 (Chepstow)

How to check an EPC assessor is registered: see the Chepstow page.

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NP16 (Chepstow) in a nutshell

NP16 covers Chepstow, Sedbury, Beachley, in Forest of Dean and Monmouthshire. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for NP16

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Two councils in one district

NP16 is split between Forest of Dean and Monmouthshire. 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

NP16 stretches across Bulwark and Thornwell, Caerwent, Chepstow Castle and Larkfield and more, so give your full postcode, not just 'NP16', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Lots of detached homes

Chepstow has plenty of detached houses. More outside walls means insulation counts for a lot on your rating, so dig out any loft or cavity paperwork.

Where's this from?ONS Census 2021, Chepstow: 31.2% detached
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New to EPCs? Here's what to expect, how to get ready and what it costs, in plain English. Read the quick guide →

Wales landlord rules: quick version

  • When you let: give contract-holders a valid EPC.
  • Minimum E: generally applies to private lets.

More detail on the Chepstow page. Always double-check on GOV.WALES.

Next door to NP16

NP26 · CaldicotBS11 · AvonmouthBS35 · AlvestonNP25 · MonmouthBS10 · BrentryGL16 · Coleford

← Energy Performance Certificate (EPC) across Chepstow · all areas

Frequently asked questions

Which areas does NP16 cover?

NP16 (Chepstow, Sedbury, Beachley) includes the wards of Bulwark and Thornwell, Caerwent, Chepstow Castle and Larkfield, Devauden, Mitchel Troy and Trellech United, Mount Pleasant, Shirenewton, St Arvans, St. Briavels, St Kingsmark, Tidenham (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to NP16?

Neighbouring districts include NP26 (Caldicot), BS11 (Avonmouth), BS35 (Alveston), NP25 (Monmouth) (ONS Postcode Directory via Doogal). A pro covering NP16 may well cover these too, so it's worth asking.

How many homes are in NP16?

About 9,768 households and 23,802 residents at the 2011 Census, across 784 active postcodes (Doogal / ONS Postcode Directory).

Which council area is NP16 in?

NP16 sits in Forest of Dean, Monmouthshire (postcodes.io). Parliamentary constituency: Forest of Dean, Monmouthshire.

📊 The numbers behind this page
Postcode district
NP16 1
Areas covered
Chepstow, Sedbury, Beachley 2
Active postcodes
784 3
Households (2011 Census, via Doogal)
9,768 2
Population (2011 Census, via Doogal)
23,802 2
Electoral wards
Bulwark and Thornwell, Caerwent, Chepstow Castle and Larkfield, Devauden, Mitchel Troy and Trellech United, Mount Pleasant, Shirenewton, St Arvans … 4
Parliamentary constituencies
Forest of Dean, Monmouthshire 4
Local authority
Forest of Dean, Monmouthshire 4
Households privately renting (Chepstow built-up area)
17.9% 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.