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Tref Cybi

Interactive map displaying Tref Cybi

About

Tref Cybi ward encompasses Holyhead town and its immediate surrounding areas on Holy Island, part of Anglesey. The ward includes the busy port area, which handles ferry traffic to Ireland, and the town centre with its mix of retail and residential streets. The landscape transitions from the urban harbour to more open coastal stretches on its edges, providing views across the water.

A dominant feature is the medieval St. Cybi's Church, built within the walls of a Roman fort overlooking the harbour. The ward contains the historic Market Hall and the modern breakwater protecting the port. Life here is closely connected to maritime activities and the daily rhythm of ferry arrivals and departures, underpinning the local economy.

Area overview

On average Tref Cybi has None deprivation and high crime levels, with around 135 crimes per 1,000 residents per year. Approximately 26.7% of homes in this area are social housing provided by a local council or housing association. The average income per household in Tref Cybi is £39,709 per year. Tref Cybi is home to around 4,360 people, with a population density of about 1,272.1 per km2.

Crime rate
7/10
Crimes per 1k residents
135
Deprivation level
N/A
Income level
2/10
Social housing
26.7%
Connectivity
N/A

Area Profile

Tref Cybi Population
4,360
Population density
1,272.1 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
74.31(+119%)
Anti-social behaviour
42.66(+228%)
Shoplifting
27.29(+324%)
Criminal damage and arson
17.43(+137%)
Public order
12.39(+51%)
Wales average

Demographics

Ethnic groups

British
4,159
95.39%
Irish
43
0.99%
Other White
41
0.94%
Chinese
22
0.5%
White and Black Caribbean (mixed)
18
0.41%
Total population: 4,360

Economics

Education (age 16+)

No qualifications
868
25.45%
Level 4 qualifications or above
643
18.85%
Level 3 (A level)
623
18.26%
Level 2 (GCSEs 9-4)
586
17.18%
Level 1 (GCSEs 3-1)
382
11.2%
Total 16+ residents: 3,411

Housing

Housing tenure

Owns outright
502
24.79%
Social rents from council
484
23.9%
Private landlord or letting agency
418
20.64%
Owns with a mortgage
416
20.54%
Other social rented
127
6.27%
Total households: 2,025

Property prices in Tref Cybi

Based on 36 recent sales, the median property price is £130,000 in Tref Cybi area, with individual transactions ranging from £65,000 up to £337,000.

Price distribution per property type (last year)

Price distribution by property type for Tref Cybi 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 Tref Cybi over the last year.
TypeSalesMedian
Detached6£227,500
Flats2£78,500
Semi-Detached5£181,600
Terraced23£115,000

10 years median price trend in Tref Cybi

Ten year median sale price trend for each property type in Tref Cybi.

All postcodes in Tref Cybi

LL652ER

Bryn Glas Close

LL652JE

Ffordd Caergybi

LL651SP

High Terrace

LL652NY

London Road

LL652PB

London Road

LL652EH

Ffordd Beibio

LL652NP

Cecil Street

LL652HF

Richmond Hill

LL652PW

Digney Close

LL651RA

Ucheldre Avenue

LL652FE

Holborn Close

LL651BJ

Swift Square

LL652PG

Ffordd Hirnos

LL652RF

Lewascote

LL652HH

Richmond Hill

LL651RW

Tower Gardens

LL652JG

Llain Bryniau

LL651TA

Hawthorne Terrace

LL651NE

Hill Street

LL652BS

Llanfawr Road

LL652PP

Llanfawr Road

LL652ES

Bryn Glas Road

LL652DP

Ffordd Beibio

LL652EW

Nimrod Walk

LL652RE

London Road

LL651TB

Fforddwynfa

LL652NH

London Road

LL652BY

Tan Alltran Close

LL651UW

Market Street

LL651TZ

Longford Road

LL651UT

Victoria Terrace

LL652AF

Station Street

LL652HW

Rhos Y Gaer Terrace

LL652UQ

Parc Busnes Penrhos

LL651RR

Thomas Street

LL651SB

Edmund Street

LL652UH

Parc Busnes Penrhos

LL652HD

Marchog

LL652DG

Turkey Shore Road

LL652FJ

Hedsor Street

LL652DT

Ffordd Tudur

LL651DD

Stanley Crescent

LL652GB

Stad Glasfryn

LL652NS

London Road

LL651RT

Garreg Domas

LL652EP

Bryn Glas Close

LL651NB

Trearddur Square

LL651SN

Mount Pleasant

LL651TR

Longford Road

LL651TP

Longford Road

LL652HL

Harbour View Estate

LL652NT

Henry Street

LL652JF

Yr Hen Briordy

LL652RA

London Road

LL652DE

Tref Cybi

Data Sources

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