Postcode insights

CF83 1BY

Lon Y Llyn

St Martins

Interactive map showing CF83 1BY and surrounding area

Detailed insights for CF83 1BY

Overview

Postcode CF83 1BY is located in an urban city, within the St Martins ward of Caerphilly in the Wales region, and forms part of the Caerphilly South area. It has very low deprivation and very low crime levels, with around 29.7 crimes per 1,000 residents per year, about 65% below the Wales average of 86 per 1,000. The average income per household in Caerphilly South is £53,895 per year. The nearest station is Aber, about 0.3 miles away. There are no primary and no secondary schools in the area. There is 1 park nearby, the closest small park is Dafydd Williams Park.

Crime rate
2/10
Crimes per 1k residents
30
Deprivation level
2/10
Income level
9/10
Social housing
4.4%
Connectivity
N/A
Flood Risk
N/A
Noise Level
No noise

Deprivation level

2/10

Caerphilly South has a very low level of deprivation, ranked at position 1,552 out of 32,844 areas in the United Kingdom, placing it within the top 5% most deprived areas in Wales.

Crime level

2/10

Caerphilly South has a very low crime rate, with approximately 29.7 reported incidents per 1,000 population each year.

Social housing

4.4%

Approximately 4.4% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 8.8% of dwellings are socially rented.

Income level

9/10

The average income per household in Caerphilly South is £53,895 per year.

Noise Level

No noise

No significant noise sources from railways or roads near CF83 1BY.

Transport

The nearest station is Aber located about 0.3 miles away. There are 3 stations nearby.

Nearby public transport stations for CF83 1BY
DistanceNameLinesDirections
0.3 mi

Aber

N/A

Walking directions to Aber
0.5 mi

Caerphilly

N/A

Walking directions to Caerphilly
0.9 mi

Energlyn and Churchill Park

N/A

Walking directions to Energlyn and Churchill Park

Parks

Nearby parks and green spaces for CF83 1BY
DistanceNameSizeDirections
0.5 miDafydd Williams ParkSmallWalking directions to Dafydd Williams Park

Area Profile

Population
310
Population density
3,365.9 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
10.15(-70%)
Anti-social behaviour
6.53(-50%)
Other theft
6.53(+43%)
Burglary
4.35(+86%)
Criminal damage and arson
3.63(-51%)
Wales average

Demographics

Ethnic groups

British
291
93.87%
Other White
10
3.23%
Irish
3
0.97%
White and Black Caribbean (mixed)
2
0.65%
Other Mixed or Multiple ethnic groups
2
0.65%
Total population: 310

Economics

Education (age 16+)

Level 4+ (Degree)
59
21.77%
Level 3 (A level)
57
21.03%
No qualifications
56
20.66%
Level 2 (GCSEs 9-4)
41
15.13%
Level 1 (GCSEs 3-1)
30
11.07%
Total 16+ residents: 271

Housing

Housing tenure

Owns outright
64
47.41%
Owns with a mortgage
51
37.78%
Private landlord or letting agency
9
6.67%
Other social rented
4
2.96%
Other forms of private rent
4
2.96%
Total households: 135

Property prices in St Martins

Median price£250,000
Price per sq ft£307
Sales (last 12 months)102
Typical range (middle 50%)£210K – £329K

Based on 102 recent sales, the median property price is £250,000 (about £307 per square foot) in St Martins area, with individual transactions ranging from £103,411 up to £675,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in St Martins over the last year.
TypeSalesMedian£/sq ft
Detached24£370,000£342
Semi-Detached38£260,000£291
Terraced38£212,750£285
Flats2£108,750£172

10-year price trendmedian sale price in St Martins

Sale price

Ten year median sale price trend for each property type in St Martins.
YearDetachedFlatsSemi-DetachedTerraced
2016£233,500£109,000£167,500£140,000
2017£249,500£103,000£177,000£149,975
2018£292,000£147,950£187,000£148,000
2019£285,000£92,500£191,000£157,750
2020£273,000£116,500£203,500£159,250
2021£350,000£148,950£227,000£180,000
2022£386,000£139,750£258,500£201,000
2023£360,000£120,000£230,000£194,500
2024£359,000£140,000£252,000£214,000
2025£360,000£108,750£268,250£212,500
2026£390,000£250,000£222,500
Ten year median sale price trend for each property type in St Martins.

Price per sq ft

Ten year median sale price per square foot trend for each property type in St Martins.
YearDetachedFlatsSemi-DetachedTerraced
2016£207£188£207£160
2017£220£167£197£162
2018£236£183£211£168
2019£260£185£241£173
2020£272£220£241£180
2021£292£195£258£184
2022£326£224£300£227
2023£335£228£273£235
2024£328£256£306£251
2025£331£172£291£247
2026£335£313£322
Ten year median sale price per square foot trend for each property type in St Martins.

Price distribution by property typelast 12 months

Price distribution by property type for St Martins in the last year.

Recent sales

There were 44 recent sold properties in the last 18 months near CF83 1BY.

Recent sold properties in the last 18 months near CF83 1BY
DateAddressTypeTenurePriceMap
21 Nov 20256, Lon Y Llyn, Caerphilly, CF83 1BYSemi-DetachedFreehold£271,000
08 Aug 20257, St Donats Court, Caerphilly, CF83 1DFSemi-DetachedFreehold£116,603
20 Jun 20256, St Julians Court, Caerphilly, CF83 1DNSemi-DetachedFreehold£210,000
12 Dec 2025116, St Christophers Drive, Caerphilly, CF83 1DEDetachedFreehold£332,500
12 Dec 20258, St Christophers Drive, Caerphilly, CF83 1DDSemi-DetachedFreehold£217,000

Schools

In the CF83 1BY postcode area, located within Caerphilly South, there are 0 primary and 0 secondary schools in close proximity.

Nearby primary and secondary schools for CF83 1BY
DistancePhaseNameTypeRating
0.4 miNot applicableYsgol Gynradd Gymraeg Y CastellWelsh establishment

N/A

0.4 miNot applicableCwrt Rawlin Primary SchoolWelsh establishment

N/A

0.5 miNot applicableSt Martin's SchoolWelsh establishment

N/A

Local amenities

2 nearby supermarkets & convenience stores within mi of CF83 1BY

Nearby supermarkets & convenience stores for CF83 1BY
DistanceNameAddressDirections
0.1 miSt Martin's Stores115 St Martin's Road, Caerphilly, CF83 1EHWalking directions to St Martin's Stores
0.4 miTesco ExpressNantgarw Road, Caerphilly, CF83 1SNWalking directions to Tesco Express

Local councillor and member of parliament

Elected local representatives for CF83 1BY, including ward councillors and the local member of parliament.

Local councillors

Colin Elsbury

St Martins - Elected 5 May 2022

Plaid Cymru - The Party of Wales

James Emmanuel Fussell

St Martins - Elected 5 May 2022

Plaid Cymru - The Party of Wales

Steve Kent

St Martins - Elected 5 May 2022

Plaid Cymru - The Party of Wales

Member of parliament

Chris Evans

Caerphilly - Elected 4 Jul 2024

Labour and Co-operative Party

Geographic Information

RegionWalesUKL
DistrictCaerphillyW06000018
Parliamentary ConstituencyCaerphillyW07000088
WardSt MartinsW05001674
ParishCaerphillyW04000904
MSOA (Middle Layer Super Output Area)Caerphilly SouthW02000313
LSOA (Lower Layer Super Output Area)Caerphilly 024BW01001423
Police ForceGwent
Postcode Introduced1995-07-01

Frequently asked questions about CF83 1BY

Is CF83 1BY (Caerphilly South) safe?

The area around CF83 1BY records about 30 crimes per 1,000 residents per year, which is a very low crime rate for England: it scores 2 out of 10 on the Area360 crime scale, where 10 is the highest crime level. Across Wales as a whole the rate is about 86 per 1,000. The most common offences locally are violence and sexual offences, anti-social behaviour and public order.

What is the average house price near CF83 1BY?

The median sale price around CF83 1BY in Caerphilly South is £250,000 (about £307 per square foot) based on 102 registered sales according to HM Land Registry data.

What schools are near CF83 1BY?

There are 9 schools close to CF83 1BY, including Ysgol Gynradd Gymraeg Y Castell, Cwrt Rawlin Primary School and St Martin's School. Ratings are from the latest Ofsted inspections.

What is the nearest station to CF83 1BY?

The closest station to CF83 1BY is Aber, about 456 m away.

How deprived is the area around CF83 1BY?

CF83 1BY scores 2 out of 10 on the deprivation scale, where 10 is the most deprived. Its neighbourhood ranks 1,552 of 32,844 in England on the official Index of Multiple Deprivation (rank 1 is the most deprived).

Who represents CF83 1BY (Caerphilly South) in Parliament and on the local council?

The Member of Parliament for Caerphilly covering CF83 1BY is Chris Evans (Labour and Co-operative Party), elected at the 2024 general election. The area is represented by 3 local councillors: Colin Elsbury (Plaid Cymru - The Party of Wales), James Emmanuel Fussell (Plaid Cymru - The Party of Wales) and Steve Kent (Plaid Cymru - The Party of Wales).

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/07/2026. Read more about how our statistics are calculated.