Skip to content
Postcode area report · 1,368 postcodes

NP4 postcode area guide — Monmouthshire

House prices, crime, broadband speeds, mobile signal, schools and demographics for the NP4 postcode district in Monmouthshire — every official dataset on one page.

NP4 is a postcode district in Monmouthshire, Wales, containing 1,368 live postcodes. The surrounding Monmouthshire district has a population of roughly 92,957. Homes in NP4 have sold for a median of £182,500 over the past 12 months.

Check any UK postcode

Where is NP4?

Map loads as you scroll…

Broadband & internet speeds in NP4

Strong coverage

Superfast (30Mb+)

94.7%

Ultrafast (300Mb+)

53.9%

Gigabit-capable

52.5%

Below USO (10Mb)

0.3%

Broadband availability in the NP4 postcode district (Monmouthshire) is Strong — superfast is near-universal and gigabit is rolling out. Across the 1,368 postcodes Ofcom measures in NP4, superfast broadband (30 Mbit/s or faster) reaches 94.7% of premises and gigabit-capable lines are available to 52.5%.

Around 0.3% of premises in NP4 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.

Sample postcodes in NP4

PostcodeSuperfastGigabit
NP4 0AA100%0%
NP4 0AB100%0%
NP4 0AD85.7%78.6%
NP4 0AE100%0%
NP4 0AF0%0%
NP4 0AG100%100%
NP4 0AH90.5%0%
NP4 0AJ100%0%
NP4 0AL20.8%2.3%
NP4 0AN100%0%

Run a speed test to see what you're actually getting, or check your exact postcode.

Mobile signal around Monmouthshire

Ofcom's coverage model for the wider Monmouthshire district (46,774 premises):

4G indoors — all networks

83%

4G outdoors — all networks

96.3%

5G outdoors — all networks

44.7%

Voice indoors — all networks

87.4%

Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.

Crime in NP4

Police recorded 115 incidents within about a mile of the centre of NP4 in May 2026 (latest published street-level data). The breakdown:

CategoryIncidentsShare
Violence & sexual offences4841.7%
Anti-social behaviour2017.4%
Public order1412.2%
Criminal damage & arson1311.3%
Shoplifting65.2%
Vehicle crime43.5%
Drugs32.6%
Other crime32.6%

Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).

House prices in NP4

Based on 392 sales registered with HM Land Registry in the last 12 months, the median sold price in NP4 is £182,500, up 1.4% on the previous year (£180,000).

Detached

£350,000

79 sales

Semi-detached

£195,000

110 sales

Terraced

£147,500

174 sales

Flat / maisonette

£123,000

11 sales

Latest recorded sales in NP4

DatePriceTypeStreetPostcode
12 May 2026£110,000TerracedQueen StreetNP4 9PN
7 May 2026£144,000TerracedPontyfelin LaneNP4 0NY
6 May 2026£445,000DetachedCoed Y FelinNP4 0BX
6 May 2026£266,000Semi-detachedSunnybank RoadNP4 5LL
5 May 2026£135,000TerracedPenygarn RoadNP4 8JT
1 May 2026£215,000Semi-detachedElgam AvenueNP4 9QT
30 Apr 2026£75,000FlatOsborne RoadNP4 6LX
27 Apr 2026£250,000TerracedCharles StreetNP4 5HG
24 Apr 2026£138,000TerracedSnatchwood RoadNP4 7BY
20 Apr 2026£73,000TerracedGolynos PlaceNP4 7RJ

Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.

Who lives here? Monmouthshire demographics

Census 2021 figures for the wider Monmouthshire district (92,957 residents, 40,922 households):

Age profile
Under 1515.8%
15–2918%
30–4416.9%
45–6423.4%
65+25.9%
Housing tenure
Owner-occupied71.9%
Private rented13.7%
Social rented10.4%

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around NP4

SchoolPhaseAgesPupilsPostcode
Cwmffrwdoer Primary SchoolNot applicableNP4 6QZ
George Street Primary SchoolNot applicableNP4 6BX
Garnteg Primary SchoolNot applicableNP4 7SJ
Ysgol Bryn OnnenNot applicableNP4 7RT
Goytre Fawr Primary SchoolNot applicableNP4 0AH
Abersychan Comprehensive SchoolNot applicableNP4 7DF
West Monmouth Comprehensive SchoolNot applicableNP4 5YG
Ysgol Gymraeg GwynllywNot applicableNP4 8JD

Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.

Food hygiene ratings in NP4

330 rated food businesses operate in NP4. 201 hold the top rating of 5, 57 are rated 4, and 18 are rated 2 or below.

Among the 5-rated: 3 Little Chums Ltd, Abergavenny Fine Foods Limited, Abersychan School, Aderyn Elysium Healthcare, Age Connects Torfaen.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Energy performance (EPC) in NP4

From a sample of 121 Energy Performance Certificates across 9 NP4 postcodes, the most common rating is band D (average band D). 36% of sampled homes are rated C or better.

Band B

4%

Band C

31%

Band D

40%

Band E

21%

Band F

2%

Band G

2%

Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.

Phone area codes for Monmouthshire

Landlines around NP4 typically use:

Had a call from an unknown number? Use our free UK phone number checker to see who called.

What's it like living in NP4?

Be the first to rate NP4 (Monmouthshire).

How would you rate living in NP4 (Monmouthshire)?

Share what it's like

Moving to NP4? Sort your connectivity first

We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Monmouthshire — free, no-obligation quote.

Get my quote ›

Postcodes in NP4

Neighbouring districts

All Newport (NP) postcode districts ›

Frequently asked questions

Where is the NP4 postcode?
NP4 covers Monmouthshire in Wales. It contains 1,368 live postcodes. The map above shows the district centre; the postcode list further down covers individual addresses.
How much do houses cost in NP4?
Across 392 HM Land Registry sales over the past year, the typical (median) sold price in NP4 works out at £182,500. See the house-price section above for medians by property type and the most recent sales.
Is NP4 a safe area?
Police recorded 115 incidents within a mile of the centre of NP4 in May 2026, with Violence & sexual offences the most common category. Compare the breakdown above and check street-level detail on police.uk before drawing conclusions — a busy high street inflates raw counts.
What broadband can I get in NP4?
Ofcom Connected Nations puts superfast availability in NP4 at 94.7% of premises, with gigabit-capable lines reaching 52.5%. Enter a full postcode in the checker on this page for address-level availability.
Who lives in NP4?
In the wider Monmouthshire district, 72% of households own their home, 14% rent privately and 10% are in social housing (Census 2021). The age profile and household counts are in the demographics section above.
How energy efficient are homes in NP4?
Across a sample of 121 Energy Performance Certificates in NP4, the most common rating is band D and the average is band D. 43 of the sampled homes are rated C or better. See the EPC section above for the full band breakdown.

Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.

Sitemap