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Gelli-deg & Town

Interactive map displaying Gelli-deg & Town

About

The Town area of Merthyr Tydfil sits where the A470 corridor meets the upper Taff valley. The river runs through the centre and the Merthyr Line railway station provides regular services to Cardiff, linking the town with the Valleys and the capital. Main streets around the market and civic buildings concentrate shops, council services and the bus interchange used for local and regional routes. Streets rise quickly from the centre, reflecting the town’s position on the valley side and the pattern of terraces and short cul-de-sacs created during 19th and 20th century development.

Gelli-deg lies just off the town centre and is primarily residential, with rows of mid-century housing and a cluster of local shops and community facilities. A youth centre and a primary school serve the neighbourhood; the school’s playing field sits within walking distance of the housing. Paths from Gelli-deg link to riverside routes that follow the Taff, used by commuters and walkers moving between the estate and the town. Street layouts and local lanes make the area compact, and day-to-day life is centred on those community points and the transport links into the town.

Area overview

On average Gelli-deg & Town has None deprivation and very high crime levels, with around 196 crimes per 1,000 residents per year. Approximately 28.4% of homes in this area are social housing provided by a local council or housing association. The average income per household in Gelli-deg & Town is £38,343 per year. Gelli-deg & Town is home to around 6,737 people, with a population density of about 2,080.2 per km2.

Crime rate
10/10
Crimes per 1k residents
196
Deprivation level
N/A
Income level
2/10
Social housing
28.4%
Connectivity
N/A

Area Profile

Gelli-deg & Town Population
6,737
Population density
2,080.2 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
91.29(+169%)
Anti-social behaviour
58.33(+348%)
Shoplifting
58.19(+805%)
Public order
31.91(+288%)
Criminal damage and arson
20.48(+179%)
Wales average

Demographics

Ethnic groups

British
5,984
88.85%
Other White
457
6.79%
Indian
44
0.65%
Other
39
0.58%
Other Asian
32
0.48%
Total population: 6,735

Economics

Education (age 16+)

No qualifications
1,697
30.94%
Level 4+ (Degree)
1,251
22.81%
Level 2 (GCSEs 9-4)
786
14.33%
Level 3 (A level)
755
13.76%
Level 1 (GCSEs 3-1)
524
9.55%
Total 16+ residents: 5,485

Housing

Housing tenure

Owns outright
833
25.55%
Other social rented
779
23.9%
Owns with a mortgage
616
18.9%
Private landlord or letting agency
564
17.3%
Social rents from council
364
11.17%
Total households: 3,260

Property prices in Gelli-deg & Town

Based on 41 recent sales, the median property price is £160,000 in Gelli-deg & Town area, with individual transactions ranging from £50,000 up to £540,000.

Price distribution per property type (last year)

Price distribution by property type for Gelli-deg & Town in the last year.

Median sale price and percentiles per property type (last year)

Median sale price, sales count, and percentile information for each property type in Gelli-deg & Town over the last year.
TypeSalesMedian
Terraced19£132,000
Flats1£112,000
Detached7£295,000
Semi-Detached14£173,500

10 years median price trend in Gelli-deg & Town

Ten year median sale price trend for each property type in Gelli-deg & Town.

All postcodes in Gelli-deg & Town

CF478YE

High Street

CF470DL

Coedcae Court

CF481LG

Heol Parc Maen

CF481LD

Erw Las

CF478LL

Bethesda Street

CF478PW

Llwyfen Street

CF481TR

Brondeg

CF478DG

Market Square

CF481UD

Castle View

CF478AE

High Street

CF481NF

Heol Tai Mawr

CF478RW

The Walk

CF470HB

Cae Mari Dwn

CF478DT

Brecon Road

CF478RR

The Walk

CF470AE

John Street

CF478LZ

Bethesda Street

CF470AX

Dan Y Parc

CF478LD

Riverside Court

CF470AW

John Street

CF470AS

Church Street

CF478HW

Caedraw Road

CF481LN

Tai Mawr Way

CF481AS

Penderyn Close

CF478UF

Roberts Lane

CF478DF

Beacons Place Shopping Centre

CF481EB

Tramroad Side

CF477DL

Town

CF470SL

Catherines Court

CF470DA

Lower Thomas Street

CF478NA

Sand Street

CF478SB

Brunswick Street

CF478LQ

Brecon Road

CF481UF

Castle View

CF478EG

Graham Street

CF478HN

Caedraw Road

CF481ND

Heol Tai Mawr

CF481TQ

Parc Cwm Pant Bach

CF481BZ

Aberdare Road

CF481NA

Heol Brychan

CF478UL

Morlais Buildings

CF478RS

The Walk

CF481HU

Swansea Road

CF481DD

Howell Close

CF481LP

Heol Llwyn Drysi

CF481QA

Tai Canol

CF481DP

Cwm Woods Grove

CF470DQ

Courtland Terrace

CF470EG

Tramroadside North

CF481LH

Heol Tai Mawr

CF481XB

Plymouth Street

CF481HL

Heol Penrhiw

CF470AF

Coffins Row

CF481DS

Llwyn Dic Penderyn

CF478DA

Market Square

CF478PS

Quarry Row

CF470BY

Lower Thomas Street

CF481DL

Cae'r Wern

CF478LS

Brecon Road

CF481AR

Rhodfa'r Coleg

CF478HR

Morlais Court

CF481HS

Swansea Road

CF481TY

Martin Close

CF481AD

Caer Wern

CF478BU

Town

CF481TT

Meirion Place

CF478BF

High Street

CF478NG

Brecon Road

CF478UG

High Street

CF470LS

Cae Mari Dwn

CF481HZ

Cyfarthfa Mews

CF481RT

Farm Road

CF478UU

Bolgoed Place

CF478NW

Brychan Place

CF478UD

High Street

CF478BW

Victoria Street

CF478BT

High Street

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/05/2026.