Caergeiliog’s story
4 listed buildings
Cadw lists them inside Caergeiliog’s built-up area.
28% of its homes were built before 1919, against 15% in the typical UK town.
Explore the history →
CaergeiliogGwynedd
A village of 378 in Gwynedd, Wales.
7 places within 12 milesMap →
Photo: Eric Jones · CC BY-SA 2.0
Population
378
Census 2021 · Isle of Anglesey council
Median age
48.1
26% are 65+ · Gwynedd 23%
Degree level
23%
of residents 16+ · Wales 31%
Walk, cycle, bus
12%
of commuters · Wales 16%
Is Caergeiliog a good place to live?
Grades need 1,000 residents, so Caergeiliog has none; the figures on this page are still real. 4 buildings are listed here, 0 at Grade I. 28% of its homes date from before 1919. People aged 65 and over make up 26% of residents.
What makes Caergeiliog stand out
The 3 things Caergeiliog does most differently from other towns.
Listed buildings per 10,000 residents
History
0 Grade II*; 4.3 times the typical UK town for its size
Cadw’s list, October 2026.
Homes built before 1919
History
Against 15% in the typical UK town
Valuation Office Agency, homes by build period.
Residents 65 and over
Who lives here
26% are 65 or over
Against 21% across Wales’s towns
The data
Data highlights are ordered by what stands out in Caergeiliog.
Who lives here
Caergeiliog has fewer young adults than Gwynedd’s towns or Wales’s towns: 9.5% are 15 to 24
Among adults, 23% have a degree. 17% are under 15, about level with Wales’s towns (17%) and above Gwynedd’s towns (16%). Over-65s are 26% of the population. Half of Caergeiliog is older than 48.1, half younger.
48.1median age
CaergeiliogGwyneddWales
Ages · share of residents
26%
Qualifications · residents 16 and older
No qualifications21%
Apprenticeship6%
A levels or similar20%
Degree level23%
Women and men · all residents
53% women, 47% men
About 87 men for every 100 women. Across Wales, 51% of residents are women. Women live longer than men, so towns with many older residents have more women.
| Caergeiliog | Gwynedd | Wales | |
|---|---|---|---|
| Under 15 | 17% | 16% | 17% |
| 15–24 | 9.5% | 13% | 12% |
| 25–44 | 18% | 22% | 25% |
| 45–64 | 29% | 26% | 26% |
| 65+ | 26% | 23% | 21% |
| No qualifications | 21% | 18% | 20% |
| Apprenticeship | 5.8% | 6.1% | 5.6% |
| A levels or similar | 20% | 19% | 17% |
| Degree level | 23% | 32% | 31% |
ONS Census 2021 · Gwynedd and Wales: all residents of their built-up areas · OGL
Schools
2 state schools in Caergeiliog
They are listed below. Caergeiliog’s two primaries have 409 pupils between them. All of them are below.
| School | Level | Pupils | Letter |
|---|---|---|---|
| Ysgol Caergeiliog Foundation SchoolLargest primary schoolPrimary | Primary | 309 | – |
| Ysgol y TywynLargest Welsh-medium schoolPrimary | Primary | 100 | – |
Welsh Government · schools list · Wales publishes no school-level results, so its schools have no letters.See all 2 schools →
Work & commute
Caergeiliog is a driving town: 86% of commuters go by car, above Gwynedd’s towns and Wales’s towns
The Census was taken on 21 March 2021, in lockdown, so 19% of workers were mainly at home; shares here are of those who travelled.
Short trips to work, under 5 km: 34%, below both Gwynedd’s towns (39%) and Wales’s towns (41%). At the census, just over one in ten commuters got to work without a car. Of the commuters living in Caergeiliog, 6% work in the town itself. There are 0.5 jobs in Caergeiliog for each resident in work.
12%walk, cycle or ride
How commuters got to work · March 2021
Driving86%
Bus5%
On foot4%
Bicycle2%
34%
of commuters travel under 5 km · Wales 41%
19%
worked mainly from home in March 2021
£45K
mean household income, before tax
3.3%
of 16 to 64s claim unemployment benefits (2026)
ONS Census 2021, method of travel and distance to work · ONS small-area income · DWP claimant count · OGL
Housing
Few households rent privately in Caergeiliog: 13%, fewer than in Gwynedd’s towns and Wales’s towns
Owners make up 69% of households, above both Gwynedd’s towns (63%) and Wales’s towns (65%). Private rents average £714 a month across the Isle of Anglesey council area. That is the middle of 9 standard sales inside Caergeiliog’s built-up area over three years, against £277,000 in the typical UK town.
£0Kmedian sale
Median sale price · Sep 2023 to Aug 2026
Caergeiliog£0K
Typical UK town£277K
69%
of households own their home · Wales 65%
13%
rent privately · Wales 17%
£714
average private rent a month, Isle of Anglesey council area
£2,261
council tax, Band D, 2026–27
HM Land Registry Price Paid · ONS private rents · MHCLG / Welsh Government council tax · ONS Census 2021 tenure · OGL
Safety
Homes in Caergeiliog see less burglary and damage than in Gwynedd’s towns or Wales’s towns: 5.3 per 1,000 a year
Anti-social behaviour, shown but not graded, came to 7.9 reports per 1,000, lower than both Gwynedd’s towns (15.7) and Wales’s towns (10.4). Caergeiliog logged 18 reported offences in a year (to August 2026), plus 1 complaints of anti-social conduct. Of all the crimes, 67% were violence and sexual offences.
31.8violent and sexual offences per 1,000 a year
Reports by type · Sep 2025 to Aug 2026
Violence & sexual12
Weapons2
Other crime2
Damage & arson1
Bicycle theft1
Shoplifting0
Public order0
Other theft0
Anti-social1
Not gradedAnti-social behaviour, shoplifting and other theft are shown but left out of the Safety Grade, which counts violence and crimes against homes and vehicles per resident.
31.8
violent and sexual offences per 1,000 residents a year, averaged Sep 2023 to Aug 2026
5.3
burglary, vehicle crime and damage per 1,000 a year, averaged Sep 2023 to Aug 2026
7.9
anti-social behaviour reports per 1,000 (not graded)
18
crimes recorded in the 12 months to August 2026
data.police.uk street-level crime · points inside the ONS built-up-area boundary · OGL · The police category of violence and sexual offences includes harassment and stalking.
Health
Fewer people in Caergeiliog live with a disability than in Gwynedd’s towns or across Wales’s towns: 19%
There is no GP practice in Caergeiliog: the nearest is 1.6 miles off. 7.4% of residents report bad or very bad health. The nearest A&E to Caergeiliog is Ysbyty Gwynedd, 16.5 miles away.
80%good or very good health
General health, self-reported
Good or very good 80%Fair 12%Bad or very bad 7%
| Census 2021 | Caergeiliog | Gwynedd | Wales |
|---|---|---|---|
| Good or very good health | 80% | 80% | 78% |
| Bad or very bad health | 7.4% | 5.5% | 7.1% |
| Disabled (Equality Act) | 19% | 20% | 22% |
Welsh towns’ Health Grades use ONS’s small-area life expectancy and healthy life expectancy for 2019 to 2023, and two Census 2021 measures, bad health and disability, adjusted for age. English towns’ also use OHID’s small-area early deaths, hospital admissions and child obesity, which OHID publishes for England only.
ONS Census 2021, general health and disability · OGL · No age adjustment applies to these census answers, which flatter younger towns; the Health Grade’s measures, life expectancy among them, do allow for age.
History
More buildings in Caergeiliog are listed than in Gwynedd’s towns or Wales’s towns: 106 per 10,000 residents
The heritage lists give each building’s grade but not its age, so we don’t say which is oldest.
4listed buildings
Listed buildings by grade · Cadw
Grade I0
Grade II*0
Grade II4
0
scheduled monuments
0
registered parks and gardens
28%
of homes built before 1919 · typical UK town 15%
106
listed buildings per 10,000 residents · typical UK town 24
Cadw list, October 2026 · Valuation Office Agency, homes by build period · OGL
Keep exploring
Everything we know about Caergeiliog
11pages on Caergeiliog
The big questions
Caergeiliog’s neighbours
The nearest built-up areas, from ONS’s 2022 boundaries. See them on the map →
ValleyBodedernHolyheadLlanerchymeddLlangefniCemaesGaerwenCaergeiliog
How the neighbours grade
| Town | People | Miles | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Caergeiliog | 378 | — | — | — | — | — |
| Valley | 2,003 | 1.2 | — | B | B | C+ |
| Bodedern | 1,193 | 2 | — | A− | B− | C− |
| Holyhead | 11,753 | 4.4 | C− | A | D | D |
| Llanerchymedd | 1,155 | 7.8 | — | A | B+ | C− |
| Llangefni | 5,264 | 9.7 | C | A | D | C |
| Cemaes | 1,023 | 10 | — | B+ | B− | C− |
| Gaerwen | 1,277 | 12 | — | A | B− | B− |
Valley, Bodedern, Llanerchymedd, Cemaes and Gaerwen have fewer than 2,500 residents, so they get subject grades but no overall grade. People: Census 2021. Miles: centre to centre.
Questions about Caergeiliog
How many listed buildings are there in Caergeiliog?
4 on Cadw’s list. That is 4.3 times the typical UK town for its size.
How much is council tax in Caergeiliog?
Band D council tax in Caergeiliog is £2,261 for 2026–27, less than in 79% of UK towns (the Isle of Anglesey council average, with police and community councils). Your own bill depends on your home’s band; check it on GOV.UK.
About Caergeiliog
Village in Gwynedd, Wales
Caergeiliog is a built-up area of 378 people, in the Isle of Anglesey council area. TownRatings uses ONS’s 2022 built-up areas as towns: the physical town, as people mean the word, rather than a council district, so its figures cover the town itself.
Built from ONS geography and Census 2021
- Population
- 378 (Census 2021)
- Council
- Isle of Anglesey
- County
- Gwynedd
- Region
- Wales
- Area
- 0.1 sq mi (0.3 km²)
- ONS code
- W45000038
Sources: ONS Census 2021, output areas summed to the ONS 2022 built-up area · HM Land Registry Price Paid (standard sales, September 2023 to August 2026) · ONS Price Index of Private Rents (August 2026, by council) · MHCLG and Welsh Government council tax, Band D 2026–27 (with parish precepts in England) · data.police.uk street-level crime, 36 months to August 2026, points inside the built-up-area boundary · ONS small-area life expectancy and healthy life expectancy, 2019 to 2023 (England and Wales), OHID Fingertips small-area indicators (England) and Census 2021 health, adjusted for age · ONS small-area income estimates (financial year ending 2023) · DWP claimant count via Nomis (January to August 2026) · Cadw listed buildings, scheduled monuments and registered historic parks and gardens via DataMapWales, October 2026, inside the ONS 2022 built-up-area boundary · Valuation Office Agency, Council Tax: stock of properties by build period (31 March 2025) · TownRatings grades: our own summary of the data, ranked against UK towns only. All under the Open Government Licence v3.0.
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.