Bryn Du’s story
6 listed buildings
Cadw lists them inside Bryn Du’s built-up area.
35% of its homes were built before 1919, against 15% in the typical UK town.
Explore the history →
Bryn DuGwynedd
Some 710 people live in this village, in Gwynedd, Wales.
7 places within 12 milesMap →
Photo: David Purchase · CC BY-SA 2.0
Population
710
Census 2021 · Isle of Anglesey council
Median home
£210K
29 sales in 3 years
Median age
53.5
29% are 65+ · Gwynedd 23%
Degree level
33%
of residents 16+ · Wales 31%
Walk, cycle, bus
8%
of commuters · Wales 16%
Is Bryn Du a good place to live?
Bryn Du has fewer than 1,000 residents, too few for fair grades; the figures on this page are still real. 6 listed buildings, 0 of them Grade I. On the way to work, 8% walk, cycle or take a bus or train. People aged 65 and over make up 29% of residents.
What makes Bryn Du stand out
The 3 things Bryn Du does most differently from other towns.
Listed buildings per 10,000 residents
History
0 Grade II*; 3.5 times the typical UK town for its size
Cadw’s list, October 2026.
Walk, cycle or public transport
Getting around
8% leave the car
of commuters walk, cycle or take public transport (Wales’s towns 16%)
Residents 65 and over
Who lives here
29% are 65 or over
Against 21% across Wales’s towns
The data
Data highlights are ordered by what stands out in Bryn Du.
Who lives here
Bryn Du has fewer young adults than Gwynedd’s towns or Wales’s towns: 8.6% are 15 to 24
People 65 and over make up 29% of the town. 13% are under 15, lower than both Gwynedd’s towns (16%) and Wales’s towns (17%). Residents of Bryn Du have a median age of 53.5.
53.5median age
Bryn DuGwyneddWales
Ages · share of residents
29%
Qualifications · residents 16 and older
No qualifications19%
Apprenticeship6%
A levels or similar18%
Degree level33%
Women and men · all residents
51% women, 49% men
About 95 men for every 100 women. Across Wales, 51% of residents are women.
| Bryn Du | Gwynedd | Wales | |
|---|---|---|---|
| Under 15 | 13% | 16% | 17% |
| 15–24 | 8.6% | 13% | 12% |
| 25–44 | 13% | 22% | 25% |
| 45–64 | 36% | 26% | 26% |
| 65+ | 29% | 23% | 21% |
| No qualifications | 19% | 18% | 20% |
| Apprenticeship | 5.9% | 6.1% | 5.6% |
| A levels or similar | 18% | 19% | 17% |
| Degree level | 33% | 32% | 31% |
ONS Census 2021 · Gwynedd and Wales: all residents of their built-up areas · OGL
Schools
1 state school in Bryn Du
It is listed below. Its one primary school teaches 64 pupils.
| School | Level | Pupils | Letter |
|---|---|---|---|
| Ysgol Gynradd PencarnisiogLargest primary schoolPrimary | Primary | 64 | – |
Welsh Government · schools list · Wales publishes no school-level results, so its schools have no letters.The Schools page →
Work & commute
Work tends to be further away for Bryn Du: 25% commute under 5 km, below Gwynedd’s towns and Wales’s towns
The Census was taken on 21 March 2021, in lockdown, so 25% of workers were mainly at home; shares here are of those who travelled.
Unemployment benefit claims reached 3.4% of 16 to 64s in 2026. The car took 90% of commuters, higher than both Gwynedd’s towns (79%) and Wales’s towns (81%). About 3% of its commuters stay in Bryn Du for work. Jobs per working resident: 0.4.
8%walk, cycle or ride
How commuters got to work · March 2021
Driving90%
On foot3%
Bicycle3%
Bus1%
Train1%
25%
of commuters travel under 5 km · Wales 41%
25%
worked mainly from home in March 2021
£45K
mean household income, before tax
3.4%
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
More households own their home in Bryn Du than in Gwynedd’s towns or across Wales’s towns: 74%
Private renters make up 14% of households, below both Gwynedd’s towns (17%) and Wales’s towns (17%). The social rented sector houses 11% of households. The median sale, £210,000, comes from 29 standard sales inside Bryn Du’s built-up area from September 2023 to August 2026.
£210Kmedian sale
Median sale price · Sep 2023 to Aug 2026
Bryn Du£210K
Typical UK town£277K
| By type | Median | Sales |
|---|---|---|
| Detached | £337,500 | 8 |
| Terraced | £185,000 | 17 |
74%
of households own their home · Wales 65%
14%
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
Bryn Du records less violent crime per resident than Gwynedd’s towns or Wales’s towns, at 11.3 per 1,000 a year
Burglary and damage came to 6.1 per 1,000 residents a year, lower than both Gwynedd’s towns (8.7) and Wales’s towns (10.7). Police figures for Bryn Du’s built-up area: 18 crimes and 4 anti-social behaviour reports in the 12 months to August 2026. Violence and sexual offences made up 44% of the total.
11.3violent and sexual offences per 1,000 a year
Reports by type · Sep 2025 to Aug 2026
Violence & sexual8
Other theft5
Damage & arson2
Public order1
Burglary1
Vehicle crime1
Shoplifting0
Drugs0
Anti-social4
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.
11.3
violent and sexual offences per 1,000 residents a year, averaged Sep 2023 to Aug 2026
6.1
burglary, vehicle crime and damage per 1,000 a year, averaged Sep 2023 to Aug 2026
8.5
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 Bryn Du say their health is good than in Gwynedd’s towns or across Wales’s towns: 75%
The nearest A&E to Bryn Du is Ysbyty Gwynedd, 13.4 miles away. At the census, 5.5% of residents said their health was bad or very bad, close to Gwynedd’s towns (5.5%) and below Wales’s towns (7.1%). The town has no GP practice of its own; the nearest is 2.8 miles away.
75%good or very good health
General health, self-reported
Good or very good 75%Fair 19%Bad or very bad 5%
| Census 2021 | Bryn Du | Gwynedd | Wales |
|---|---|---|---|
| Good or very good health | 75% | 80% | 78% |
| Bad or very bad health | 5.5% | 5.5% | 7.1% |
| Disabled (Equality Act) | 20% | 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 · Self-reported health favours young towns, since these answers ignore age; the Health Grade leans on age-adjusted measures such as life expectancy.
History
Homes from before 1919 in Bryn Du: 35%, against 40% in Gwynedd’s towns and 27% in Wales’s towns
The heritage lists give each building’s grade but not its age, so we don’t say which is oldest.
Scaled to its population, Bryn Du has 85 listed buildings per 10,000 people, above both Gwynedd’s towns (77) and Wales’s towns (18).
6listed buildings
Listed buildings by grade · Cadw
Grade I0
Grade II*0
Grade II6
0
scheduled monuments
0
registered parks and gardens
35%
of homes built before 1919 · typical UK town 15%
85
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 Bryn Du
13pages on Bryn Du
The big questions
Safety11.3 violent and sexual offences per 1,000 residents a year, averaged Sep 2023 to Aug 2026Cost of livingMedian home £210K · rent £714 a monthHousing10 sold in 12 months · busiest street Rehoboth TerraceSchools1 state school (no results published in Wales)HealthWork & commute44% of working residents work in the townFlood & hazards3.2% of homes at high or medium flood risk
Bryn Du’s neighbours
The nearest built-up areas, from ONS’s 2022 boundaries. See them on the map →
BodedernValleyLlangefniLlanerchymeddHolyheadGaerwenCaernarfonBryn Du
How the neighbours grade
| Town | People | Miles | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Bryn Du | 710 | — | — | — | — | — |
| Bodedern | 1,193 | 4.6 | — | A− | B− | C− |
| Valley | 2,003 | 5.3 | — | B | B | C+ |
| Llangefni | 5,264 | 7.5 | C | A | D | C |
| Llanerchymedd | 1,155 | 8.4 | — | A | B+ | C− |
| Holyhead | 11,753 | 8.4 | C− | A | D | D |
| Gaerwen | 1,277 | 8.6 | — | A | B− | B− |
| Caernarfon | 9,831 | 11 | C | B+ | D− | C− |
Bodedern, Valley, Llanerchymedd 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 Bryn Du
How many listed buildings are there in Bryn Du?
6 on Cadw’s list. That is 3.5 times the typical UK town for its size. 35% of Bryn Du’s homes were built before 1919, against 15% in the typical UK town.
Is Bryn Du expensive to live in?
Homes cost less than in most UK towns: the median sale over three years was £210,000, against £277,000 in the typical UK town. By type: terraced houses £185,000 and detached houses £337,500. Private rents in the Isle of Anglesey council area averaged £714 a month in August 2026.
About Bryn Du
Village in Gwynedd, Wales
Bryn Du is a built-up area of 710 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
- 710 (Census 2021)
- Council
- Isle of Anglesey
- County
- Gwynedd
- Region
- Wales
- Area
- 0.1 sq mi (0.3 km²)
- ONS code
- W45000066
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.