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Rassau and Garnlydan

Interactive map displaying Rassau and Garnlydan

About

Rassau and Garnlydan form a largely residential ward in the northern part of the Blaenau Gwent county borough. The area is characterised by terraced housing and newer estates built on the valley slopes, with the surrounding upland moors providing a distinct backdrop. It is a community with strong local ties, centred around its own primary schools, community centres, and social clubs.

A notable local landmark is the large, domed Rassau Industrial Estate, a major employment site visible from much of the area. The landscape is marked by the prominent Garnlydan Reservoir, which supplies water to much of South Wales. The Taf Fechan river flows through the ward, and the area is traversed by several old tramway and railway routes, reflecting its historical links to the iron and coal industries.

Area overview

On average Rassau and Garnlydan has high deprivation and average crime levels, with around 87 crimes per 1,000 residents per year, in line with the Wales average of 86 per 1,000. Approximately 31.4% of homes in this area are social housing provided by a local council or housing association. The average income per household in Rassau and Garnlydan is £38,786 per year. Rassau and Garnlydan is home to around 3,905 people, with a population density of about 592 per km².

Crime rate
5/10
Crimes per 1k residents
87
Deprivation level
7/10
Income level
2/10
Social housing
31.4%
Connectivity
N/A

Area Profile

Rassau and Garnlydan Population
3,905
Population density
592 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
36.62(+8%)
Anti-social behaviour
33.03(+154%)
Criminal damage and arson
18.69(+155%)
Public order
9.22(+12%)
Shoplifting
8.71(+35%)
Wales average

Demographics

Ethnic groups

British
3,723
95.34%
Other White
64
1.64%
White and Black Caribbean (mixed)
23
0.59%
Chinese
14
0.36%
Other Mixed or Multiple ethnic groups
14
0.36%
Total population: 3,905

Economics

Education (age 16+)

No qualifications
920
28.79%
Level 4 qualifications or above
642
20.09%
Level 2 (GCSEs 9-4)
549
17.18%
Level 3 (A level)
438
13.71%
Level 1 (GCSEs 3-1)
318
9.95%
Total 16+ residents: 3,195

Housing

Housing tenure

Owns outright
566
32.91%
Owns with a mortgage
379
22.03%
Social rents from council
316
18.37%
Other social rented
304
17.67%
Private landlord or letting agency
122
7.09%
Total households: 1,720

Property prices in Rassau and Garnlydan

Median price£163,750
Price per sq ft£208
Sales (last 12 months)38
Typical range (middle 50%)£121K – £259K

Based on 38 recent sales, the median property price is £163,750 (about £208 per square foot) in Rassau and Garnlydan area, with individual transactions ranging from £77,000 up to £460,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Rassau and Garnlydan over the last year.
TypeSalesMedian£/sq ft
Detached9£330,000£259
Semi-Detached13£180,000£208
Terraced14£119,500£167
Flats2£78,500£114

10-year price trendmedian sale price in Rassau and Garnlydan

Sale price

Ten year median sale price trend for each property type in Rassau and Garnlydan.
YearDetachedSemi-DetachedTerraced
2016£150,000£92,125£62,500
2017£165,000£91,000£67,500
2018£179,975£89,750£68,750
2019£220,000£100,000£74,000
2020£218,000£122,500£58,000
2021£260,000£120,500£95,500
2022£280,000£138,500£90,000
2023£265,000£138,500£130,000
2024£265,000£167,000£140,000
2025£273,500£155,000£140,000
2026£331,250£224,000£90,000
Ten year median sale price trend for each property type in Rassau and Garnlydan.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Rassau and Garnlydan.
YearDetachedSemi-DetachedTerraced
2016£121£104£68
2017£132£137£80
2018£136£103£73
2019£162£113£75
2020£179£115£62
2021£168£138£152
2022£189£143£101
2023£237£144£140
2024£184£166£153
2025£237£194£191
2026£243£209£103
Ten year median sale price per square foot trend for each property type in Rassau and Garnlydan.

Price distribution by property typelast 12 months

Price distribution by property type for Rassau and Garnlydan in the last year.

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.