Mynyddislwyn on the map

Location in CaerphillyMynyddislwyn sits where the marker shows within the county.

32,244
Population
13,800
Households
12
Schools nearby
£43,273
Avg. household income
810
Businesses
810
People per km²
Create a free area profile for MynyddislwynDownload or embed an infographic of these statistics

About Mynyddislwyn

Mynyddislwyn is a village located in the Caerphilly county borough of Wales. It is situated in the NP12 postcode area and is known for its scenic views of the surrounding hills and valleys. The village has a close-knit community and offers a selection of local amenities, including shops and a primary school.

The area is primarily residential, with a mix of traditional and modern housing. Mynyddislwyn is also well-connected to nearby towns, making it a convenient base for exploring the wider region. Outdoor enthusiasts may appreciate the nearby walking trails and open spaces, which provide opportunities for leisure and recreation.

School Ratings in Mynyddislwyn

Mynyddislwyn is served by 68 schools.

House Prices in Mynyddislwyn

Property prices average £192K across the area, and semi-detached homes are the most common property type, typically selling for £166K.

Crime and Anti-Social Behaviour in Mynyddislwyn

Local crime rates sit higher than national averages. Anti-social behaviour accounts for the highest share in Mynyddislwyn, with 69 incidents logged in May 2026.

Healthcare in Mynyddislwyn

There are 5 GP surgeries within three miles of Mynyddislwyn, the nearest being Blackwood Medical Group (1.4 miles away).

Property Prices 4,089 sales

Average Price £192K
£1K , £8.56M
Detached £288K 998
Semi £166K 1,662
Terraced £131K 1,178
Flat £109K 38

Household Income in Mynyddislwyn ONS 2023

The average total household income in Mynyddislwyn is approximately £43,273 a year before tax, 22% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £33,944. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.

Mynyddislwyn £43,273
England & Wales avg. £55,302

Net (after tax) household income averages £33,944.

Businesses in Mynyddislwyn ONS 2025

There are approximately 810 active businesses based in Mynyddislwyn, around 25 for every 1,000 residents. The local economy is dominated by small firms: about 90% are micro-businesses employing fewer than 10 people, while 16 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.

810 Total businesses
25 Per 1,000 residents
Micro, 0-9 90%
Small, 10-49 9%
Medium, 50-249 2%
Large, 250+ 0%

Crime in Mynyddislwyn 367 crimes · May 2026

High Crime Area

Reported crime in Mynyddislwyn is above the national average when measured per capita. Violence & sexual offences dominates the figures, a trend mirrored in many urban centres. Local policing teams work actively in the area, and community initiatives continue to address key concerns.

Violence & Sexual Offences 138
Anti-Social Behaviour 69
Public Order 33
Criminal Damage & Arson 30
Vehicle Crime 27
Burglary 18
Other Theft 17
Drugs 10
Shoplifting 10
Other Crime 7
Weapons 4
Bicycle Theft 2
Robbery 2
Local Policing
Data from data.police.uk · Contains public sector information licensed under the Open Government Licence v3.0
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.

Nearest Train Stations 6 stations

Newbridge Train Station 1.8 miles
Crosskeys Train Station 2.2 miles
Hengoed Train Station 2.6 miles
Ystrad Mynach Train Station 3.3 miles
Pengam Train Station 3.3 miles
Gilfach Fargoed Train Station 3.9 miles

Location

Local Government

District Caerphilly
Ward Argoed
Constituency Islwyn
Parish Argoed

Home Ownership in Mynyddislwyn

Of the 13,743 households in and around Mynyddislwyn, 70% are owned, 18% are socially rented and 12% are privately rented. Home ownership here is higher than the England and Wales average of 63%.

Owned 70% Social rented 18% Private rented 12%

Tenure from the 2021 Census (ONS), for the postcode districts covering Mynyddislwyn.

Frequently Asked Questions about Mynyddislwyn

What is the population of Mynyddislwyn?
Mynyddislwyn has a population of approximately 32,244 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Mynyddislwyn?
The average property in and around Mynyddislwyn sold for about £192,145, based on HM Land Registry Price Paid records. That is around 45% below the England and Wales average of £349,091.
What postcodes cover Mynyddislwyn?
Mynyddislwyn is covered by the NP12 postcode district.
How many schools are there in Mynyddislwyn?
There are 12 schools within easy reach of Mynyddislwyn, spanning primary, secondary and other phases.
Where is the nearest train station to Mynyddislwyn?
The nearest railway station to Mynyddislwyn is Newbridge Train Station, about 1.8 miles away.