Deri’s story
Deri: 71% of homes built before 1919
71% of its homes were built before 1919, against 15% in the typical UK town.
Explore the history →
DeriGwent
A village of 583 in Gwent, Wales.
7 places within 12 milesMap →
Photo: Jaggery · CC BY-SA 2.0
Population
583
Census 2021 · Caerphilly council
Median home
£125K
15 sales in 3 years
Median age
50.5
23% are 65+ · Gwent 20%
Degree level
24%
of residents 16+ · Wales 31%
Walk, cycle, bus
11%
of commuters · Wales 16%
Is Deri a good place to live?
Deri has fewer than 1,000 residents, too few for fair grades; the figures on this page are still real.
What makes Deri stand out
The 3 things Deri does most differently from other towns.
Homes built before 1919
History
71% of homes built before 1919
Against 15% in the typical UK town
Valuation Office Agency, homes by build period.
Median sale, £ thousands
Housing
55% below the typical UK town’s £277K
Standard sales, September 2023 to August 2026.
Band D council tax
Council tax
£2,083 Band D
16% below the typical UK town’s £2,472, 2026–27
The Caerphilly council average. Welsh Government.
The data
Data highlights are ordered by what stands out in Deri.
Work & commute
Households in Deri earn less than in Gwent’s towns or across Wales’s towns: £33K a year
The Census was taken on 21 March 2021, in lockdown, so 20% of workers were mainly at home; shares here are of those who travelled.
Deri sits below both Gwent’s towns (£44K) and Wales’s towns (£44K) on this measure. 17% of commuters travelled under 5 km to work.
11%walk, cycle or ride
How commuters got to work · March 2021
Driving86%
On foot5%
Bus4%
Train2%
17%
of commuters travel under 5 km · Wales 41%
20%
worked mainly from home in March 2021
£33K
mean household income, before tax
2.7%
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
Buying in Deri costs less than in Gwent’s towns or across Wales’s towns: the median sale is £125K
That puts Deri below both Gwent’s towns (£190K) and Wales’s towns (£195K). Social housing holds 13% of households.
£125Kmedian sale
Median sale price · Sep 2023 to Aug 2026
Deri£125K
Typical UK town£277K
| By type | Median | Sales |
|---|---|---|
| Terraced | £125,000 | 11 |
71%
of households own their home · Wales 65%
15%
rent privately · Wales 17%
£747
average private rent a month, Caerphilly council area
£2,083
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
Deri records more burglary and damage per resident than Gwent’s towns or Wales’s towns, at 24 per 1,000 a year
On this, Deri is above both Gwent’s towns (16.7) and Wales’s towns (10.7). Police recorded 41 crimes inside Deri’s built-up area in the 12 months to August 2026, plus 10 reports of anti-social behaviour. Violence and sexual offences were 39% of the crimes; the police category includes harassment and stalking.
31.5violent and sexual offences per 1,000 a year
Reports by type · Sep 2025 to Aug 2026
Violence & sexual16
Damage & arson10
Vehicle crime7
Burglary2
Drugs2
Other crime2
Public order1
Other theft1
Anti-social10
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.
31.5
violent and sexual offences per 1,000 residents a year, averaged Sep 2023 to Aug 2026
24
burglary, vehicle crime and damage per 1,000 a year, averaged Sep 2023 to Aug 2026
9.7
anti-social behaviour reports per 1,000 (not graded)
41
crimes recorded in the 12 months to August 2026
data.police.uk street-level crime · points inside the ONS built-up-area boundary · OGL
Health
Fewer people in Deri say their health is good than in Gwent’s towns or across Wales’s towns: 70%
In the comparison, Deri comes below both Gwent’s towns (77%) and Wales’s towns (78%). Deri has no GP practice of its own; the nearest is 1.2 miles away. These answers aren’t adjusted for age, so young towns look healthier; the Health Grade uses age-adjusted measures, including life expectancy.
70%good or very good health
General health, self-reported
Good or very good 70%Fair 20%Bad or very bad 10%
| Census 2021 | Deri | Gwent | Wales |
|---|---|---|---|
| Good or very good health | 70% | 77% | 78% |
| Bad or very bad health | 9.6% | 7.7% | 7.1% |
| Disabled (Equality Act) | 26% | 22% | 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
History
Deri keeps more of its old housing than Gwent or Wales’s towns: 71% built before 1919
The heritage lists give each building’s grade but not its age, so we don’t say which is oldest.
For Deri, that is above both Gwent’s towns (26%) and Wales’s towns (27%).
0listed buildings
Listed buildings by grade · Cadw
Grade I0
Grade II*0
Grade II0
0
scheduled monuments
0
registered parks and gardens
71%
of homes built before 1919 · typical UK town 15%
0
listed buildings per 10,000 residents · typical UK town 24
Cadw list, October 2026 · Valuation Office Agency, homes by build period · OGL
Who lives here
Fewer children live in Deri than in Gwent’s towns or Wales’s towns: 13% are under 15
People 65 and over make up 23% of the town, above both Gwent’s towns (20%) and Wales’s towns (21%). Deri has a median age of 50.5. Degrees are held by 24% of adults.
50.5median age
DeriGwentWales
Ages · share of residents
23%
Qualifications · residents 16 and older
No qualifications23%
Apprenticeship7%
A levels or similar18%
Degree level24%
Women and men · all residents
52% women, 48% men
About 93 men for every 100 women. Across Wales, 51% of residents are women.
| Deri | Gwent | Wales | |
|---|---|---|---|
| Under 15 | 13% | 18% | 17% |
| 15–24 | 10% | 11% | 12% |
| 25–44 | 23% | 26% | 25% |
| 45–64 | 31% | 27% | 26% |
| 65+ | 23% | 20% | 21% |
| No qualifications | 23% | 23% | 20% |
| Apprenticeship | 7.4% | 5.4% | 5.6% |
| A levels or similar | 18% | 16% | 17% |
| Degree level | 24% | 28% | 31% |
ONS Census 2021 · Gwent and Wales: all residents of their built-up areas · OGL
Keep exploring
Everything we know about Deri
12pages on Deri
The big questions
Safety31.5 violent and sexual offences per 1,000 residents a year, averaged Sep 2023 to Aug 2026Cost of livingMedian home £125K · rent £747 a monthHousing5 sold in 12 months · busiest street New RoadSchoolsHealthWork & commute35% of working residents work in the townFlood & hazards0.6% of homes at high or medium flood risk
Deri’s neighbours
The nearest built-up areas, from ONS’s 2022 boundaries. See them on the map →
New TredegarBargodAberbargoedBedlinogMarkhamAbertysswgPen-pedair-heolDeri
How the neighbours grade
| Town | People | Miles | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Deri | 583 | — | — | — | — | — |
| New Tredegar | 3,280 | 1.3 | D | A | D− | D− |
| Bargod | 8,034 | 1.7 | C− | A | D | D− |
| Aberbargoed | 4,412 | 1.9 | D | A− | D | D− |
| Bedlinog | 1,098 | 2.3 | — | B− | C− | D− |
| Markham | 1,443 | 2.3 | — | A | D | D |
| Abertysswg | 1,424 | 2.5 | — | A | C | D− |
| Pen-pedair-heol | 3,787 | 2.8 | C+ | B+ | B+ | D |
Bedlinog, Markham and Abertysswg have fewer than 2,500 residents, so they get subject grades but no overall grade. People: Census 2021. Miles: centre to centre.
Questions about Deri
Is Deri expensive to live in?
Private rents in the Caerphilly council area averaged £747 a month in August 2026.
How much is council tax in Deri?
Band D council tax in Deri is £2,083 for 2026–27, less than in 85% of UK towns (the Caerphilly council average, with police and community councils). Your own bill depends on your home’s band; check it on GOV.UK.
About Deri
Village in Gwent, Wales
Deri is a built-up area of 583 people, in the Caerphilly 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
- 583 (Census 2021)
- Council
- Caerphilly
- County
- Gwent
- Region
- Wales
- Area
- 0.1 sq mi (0.2 km²)
- ONS code
- W45000433
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.