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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

CF478PU

Sunnybank

CF481TP

Brondeg

CF470AL

Town

CF478SD

Norman Terrace

CF470SH

Court Terrace

CF481ES

Gelli Deg

CF478LY

Lower Edward Street

CF481NH

Bro Y Ffrwd

CF478AF

High Street

CF481HG

Heol Parc Glas

CF481LE

Heol Tai Mawr

CF477ZZ

Town

CF470DR

Courtland Terrace

CF478BE

Post Office Lane

CF481UG

Coronation Terrace

CF481HE

Heol Scwrfa

CF481LS

Heol Llwyn Onnen

CF481DR

Heol S O Davies

CF481AZ

Wood Lane

CF470HZ

Thomastown Gardens

CF481EY

Heol Nantgau

CF470EF

Cobden Place

CF478UP

Ethan Arcade

CF470HF

Gorsedd Terrace

CF481AH

Llwyncelyn Close

CF470ES

Queens Road

CF481HH

Heol Bryn Hebog

CF470BA

Church Street

CF478EW

River Walk

CF481PE

Twyn Carmel

CF484YG

Plymouth Street

CF478RU

Tudor Terrace

CF478BG

Castle Street

CF470DT

Courtland Terrace

CF478JD

Castle Yard

CF478HU

Abermorlais Terrace

CF478AS

Avenue De Clichy

CF478HL

Caedraw Road

CF478AD

Church Street

CF481NE

Heol Bryn Man

CF478UH

Pontmorlais

CF470BL

Union Place

CF470BP

Library Lane

CF481RS

Cwm Cottages

CF481AW

Hillside Court

CF478NJ

Penlan View

CF470ER

Bryntirion Road

CF481AB

Caer Wern

CF481HR

Swansea Road

CF481RU

Tramroadside

CF481AL

Llwyncelyn Lane

CF478NX

Penlan View

CF481ET

Heol Nantgau

CF481LF

Heol Parc Maen

CF481DN

Old Winch Fawr Road

CF478DP

High Street

CF481HB

Heol Lansbury

CF481LU

Heol Twyn Du

CF478TJ

Town

CF481BA

Dynevor Street

CF478DN

High Street

CF470EE

Church Street

CF478HE

Caedraw Road

CF478ND

William Street

CF478RN

The Walk

CF478DU

Court Street

CF481LW

Heol Llwyn Brain

CF478LG

Lawn Terrace

CF478NF

David Street

CF478HD

Wilson Court

CF478UN

Pontmorlais

CF481TU

Six Bells Estate

CF478DY

Yew Street

CF470HE

Queens Road

CF470DF

Alma Street

CF481HW

Fair View Estate

CF478RP

The Walk

CF478LA

Newfoundland Terrace

CF478NB

Cambrian Street

CF478UX

Castle Yard

CF470BH

Newcastle Street

CF478HF

Caedraw Road

CF481DB

Llwyn Berry

CF478UT

Pontmorlais West

CF478LN

Bethesda Street

CF470LQ

The Rink

CF481AU

Meadow Close

CF470BN

Upper Thomas Street

CF478NP

The Grawen

CF478HB

Caedraw Road

CF478EB

Lower High Street

CF470ED

Union Street

CF470AJ

Gwalia Place

CF478BY

Market Square

CF481TW

Brondeg

CF478EU

Swan Street

CF478AY

Glebeland Street

CF470DB

Lower Thomas Street

CF478BS

Victoria Street

CF478AP

High Street

Data Sources

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