Property profile

57Heol Ynys Ddu

Map showing 57, Heol Ynys Ddu, Caerphilly

Property Price
150k200k250k300k400k500k750k1.5M

Estimated sale price

£270,000

Semi-Detached sold in St Martins

The box shows the middle 50% of semi-detached sale prices, the whiskers show the 5th to 95th percentile, and the marker shows this property's estimated price.

Half of similar homes sold within the box; most sold within the wider line.

An indicative model estimate, not a survey or formal valuation.

This property vs market

Last sold08 Dec 2025
£265,000Change since last sale: +£5,000 (+1.9%)
Annualised change
+2.4% per yearCaerphilly annualised change (semi-detached) since 2025: +5.2% per yearThis property's value grew slower than the market
Price per sq ftLocal median £300 per sq ft
£358 per sq ftEstimate vs local median: +£59 per sq ft (+20%)
Local sold pricesMedian for semi-detached in St Martins
£270,000Estimate vs local median: −£0 (−0.0%)
How this estimate is calculated

Area360's automated valuation uses available property details, recorded sales and local market data to estimate a sale price. This automated estimate is a guide, not a survey, mortgage valuation or formal valuation. See the valuation methodology and limitations.

Estimate calculated .

Property facts

Property typeHouse / Semi-Detached
TenureFreehold
Construction period1996-2002
Floor area70 m² / 753 sq ft
Rooms4 habitable / 4 heated
EPC ratingC
EPC inspection08 Dec 2015

Sales history

DatePriceChange
08 Dec 2025£265,000+171%
28 Nov 2002£97,950+75%
29 Nov 1996£55,995-

Local market

Property prices in St Martins

Median price£257,250
Price per sq ft£307
Sales (last 12 months)104
Typical range (middle 50%)£215K – £326K

Based on 104 recent sales, the median property price is £257,250 (about £307 per square foot) in St Martins area, with individual transactions ranging from £103,411 up to £760,000.

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£390,000£352
Semi-Detached40£270,000£300
Terraced39£215,000£276
Flats1£148,000£229

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£112,500£266,500£212,000
2026£400,000£273,000£232,500
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£215£292£245
2026£357£307£275
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 50+ recent sold properties in the last 18 months near CF83 1SD.

Recent sold properties in the last 18 months near CF83 1SD
DateAddressTypeTenurePriceMap
31 Mar 20269, Heol Ynys Ddu, Caerphilly, CF83 1SDTerracedFreehold£225,000
23 Jan 202653, Heol Ynys Ddu, Caerphilly, CF83 1SDDetachedFreehold£405,000
08 Dec 202557, Heol Ynys Ddu, Caerphilly, CF83 1SDSemi-DetachedFreehold£265,000
03 Oct 20258, Heol Ynys Ddu, Caerphilly, CF83 1SDSemi-DetachedFreehold£200,000
06 Jun 202522, Heol Ynys Ddu, Caerphilly, CF83 1SDDetachedFreehold£305,000

Other properties at this postcode

AddressTenureFloor areaLast sale
1, Heol Ynys Ddu, CaerphillyFreehold54 m²£52,500 (1999)
2, Heol Ynys Ddu, CaerphillyFreehold55 m²£164,000 (2019)
3, Heol Ynys Ddu, CaerphillyFreehold54 m²£115,100 (2004)
4 Heol Ynys Ddu, CaerphillyFreehold61 m²£215,000 (2023)
5, Heol Ynys Ddu, CaerphillyFreehold54 m²£118,000 (2013)
6, Heol Ynys Ddu, CaerphillyFreehold58 m²£235,000 (2022)
7, Heol Ynys Ddu, CaerphillyFreehold54 m²£114,000 (2006)
8 Heol Ynys Ddu, CaerphillyFreehold54 m²£200,000 (2025)
9 Heol Ynys Ddu, CaerphillyFreehold55 m²£225,000 (2026)
10, Heol Ynys Ddu, CaerphillyFreehold74 m²£172,000 (2011)

Area insights for CF83 1SD

Full area profile →

Overview

Postcode CF83 1SD 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 4.3 crimes per 1,000 residents per year, about 95% 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 0.7 miles away. There are no primary and no secondary schools in the area.

Crime rate
1/10
Crimes per 1k residents
4
Deprivation level
1/10
Income level
9/10
Social housing
0.8%
Connectivity
N/A
Flood Risk
N/A
Noise Level
No noise

Deprivation level

1/10

Caerphilly South has a very low level of deprivation, ranked at position 1,878 out of 32,844 areas in England, placing it within the top 6% most deprived areas in Wales.

Crime level

1/10

Caerphilly South has a very low crime rate, with approximately 4.3 reported incidents per 1,000 population each year.

Social housing

0.8%

Approximately 0.8% 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 1SD.

Transport

The nearest station is Aber located about 0.7 miles away. There are 2 stations nearby.

Nearby public transport stations for CF83 1SD
DistanceNameLinesDirections
0.7 mi

Aber

N/A

Walking directions to Aber
1 mi

Caerphilly

N/A

Walking directions to Caerphilly

Parks

No parks nearby

Area Profile

Population
288
Population density
5,413.5 per km²

Crime

Crime per 1,000 population

Anti-social behaviour
1.62(-88%)
Public order
1.08(-87%)
Violence and sexual offences
1.08(-97%)
Vehicle crime
0.54(-81%)
Other theft
0.54(-88%)
Wales average

Demographics

Ethnic groups

British
264
91.67%
Other White
15
5.21%
Other
3
1.04%
White and Asian (mixed)
2
0.69%
Other Asian
1
0.35%
Total population: 288

Economics

Education (age 16+)

Level 4+ (Degree)
113
50.45%
Level 3 (A level)
49
21.88%
Level 2 (GCSEs 9-4)
32
14.29%
No qualifications
13
5.8%
Level 1 (GCSEs 3-1)
10
4.46%
Total 16+ residents: 224

Housing

Housing tenure

Owns with a mortgage
60
50.42%
Owns outright
36
30.25%
Private landlord or letting agency
22
18.49%
Social rents from council
1
0.84%
Total households: 119

Schools

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

Nearby primary and secondary schools for CF83 1SD
DistancePhaseNameTypeRating
0.3 miNot applicableCwrt Rawlin Primary SchoolWelsh establishment

N/A

0.8 miNot applicableSt Martin's SchoolWelsh establishment

N/A

0.9 miNot applicableYsgol Gynradd Gymraeg Y CastellWelsh establishment

N/A

Local amenities

3 nearby supermarkets & convenience stores within 0.5 mi of CF83 1SD

Nearby supermarkets & convenience stores for CF83 1SD
DistanceNameAddressDirections
0.3 miTesco ExpressNantgarw Road, Caerphilly, CF83 1SNWalking directions to Tesco Express
0.4 miLidlBeddau Way, Caerphilly, CF83 2AXWalking directions to Lidl
0.5 miSt Martin's Stores115 St Martin's Road, Caerphilly, CF83 1EHWalking directions to St Martin's Stores