Grays Gardens Trethomas, Caerphilly
107 addresses across 4 postcodes (CF83), about 1.5 km (0.9 miles) long, classed as a local road. USRN 47501770.
- Sales: 24 recorded sales since 1995; in 2025 the median was £92,500 across 1 sale.
- Energy: 74 homes have an energy certificate (B: 1, C: 59, D: 6, E: 7, F: 1).
- Flood: No postcode centre on the street is in flood zone 2 or 3.
- Council tax: Most homes around it are in council tax band A; Band D in Caerphilly costs £2,083 a year in 2026-27.
- Broadband: Gigabit broadband is available to 100% of premises.
- Transport: The nearest railway station is Crosskeys, about 4.1 km (2.5 miles) away in a straight line.
- Green space: The nearest park or garden, Parc Glan yr Afon, is about 830 m (0.5 miles) away.
- Air: Background air pollution in 2024 was 7.4 µg/m³ of nitrogen dioxide and 5.4 of PM2.5, within UK legal limits.
- Height: Its addresses are 110 to 124 m above sea level.
- Noise: 9 of its 107 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Ty Bryn Surgery, about 1.8 km (1.1 miles) away.
- People: About 270 people lived in the census areas around it in 2021; 27% of households owned their home and 16% of adults held a degree or other higher qualification.
- Crime: 119 crimes were recorded within 250 m between September 2025 and August 2026, most often violence and sexual offences.
Sales on this street
| Year | Sales | Median price | Lowest | Highest |
|---|---|---|---|---|
| 2025 | 1 | £92,500 | £92,500 | £92,500 |
| 2023 | 1 | £88,000 | £88,000 | £88,000 |
| 2022 | 2 | £84,000 | £78,000 | £90,000 |
| 2019 | 1 | £70,800 | £70,800 | £70,800 |
| 2018 | 2 | £72,500 | £60,000 | £85,000 |
| 2017 | 1 | £60,000 | £60,000 | £60,000 |
| 2010 | 1 | £53,500 | £53,500 | £53,500 |
| 2009 | 1 | £24,000 | £24,000 | £24,000 |
| 2008 | 1 | £55,000 | £55,000 | £55,000 |
| 2007 | 1 | £50,000 | £50,000 | £50,000 |
| 2006 | 1 | £76,950 | £76,950 | £76,950 |
| 2005 | 1 | £60,000 | £60,000 | £60,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 15 May 2025 | 23 CF83 8TG | Terraced | £92,500 | |
| 4 Apr 2023 | 58 CF83 8TW | Terraced | £88,000 | |
| 14 Mar 2022 | 36 CF83 8TN | Terraced | £90,000 | |
| 11 Jan 2022 | 83A CF83 8TQ | Flat or maisonette | £78,000 | Leasehold. |
| 2 Dec 2019 | 40 CF83 8TW | Terraced | £70,800 | |
| 9 Nov 2018 | 13 CF83 8TG | Terraced | £85,000 | |
| 2 Feb 2018 | 43 CF83 8TQ | Terraced | £60,000 | |
| 14 Dec 2017 | 40 CF83 8TW | Terraced | £60,000 | |
| 15 Apr 2016 | 23 CF83 8TG | Terraced | £44,995 | Not a standard sale (repossession, buy-to-let or transfer). |
| 10 Dec 2010 | 89A CF83 8TQ | Terraced | £53,500 | Leasehold. |
| 21 Oct 2009 | 89A CF83 8TQ | Terraced | £24,000 | Leasehold. |
| 7 Mar 2008 | 40 CF83 8TW | Terraced | £55,000 | |
| 27 Apr 2007 | 38 CF83 8TN | Terraced | £50,000 | |
| 17 Nov 2006 | 1 CF83 8TG | Semi-detached | £76,950 | |
| 22 Jul 2005 | 14 CF83 8TN | Terraced | £60,000 | |
| 16 Jul 2004 | 23 CF83 8TG | Terraced | £57,000 | |
| 29 Aug 2003 | 18 CF83 8TN | Terraced | £41,950 | |
| 27 Aug 2003 | 1 CF83 8TG | Semi-detached | £37,000 | |
| 24 Feb 2003 | 9 CF83 8TG | Terraced | £14,580 | |
| 29 Nov 2002 | 59 CF83 8TQ | Terraced | £32,000 | |
| 29 Apr 2002 | 45 CF83 8TQ | Terraced | £31,000 | |
| 19 Nov 2001 | 34 CF83 8TN | Terraced | £14,300 | |
| 4 Oct 2001 | 59 CF83 8TQ | Terraced | £27,500 | |
| 10 Dec 1999 | 45 CF83 8TQ | Terraced | £28,000 |
Energy performance certificates
74 homes with a current certificate; median floor area 84 m². Most common: House, mid-terrace (36); House, end-terrace (32); Maisonette, not recorded (2). Built: 1967-1975 (29); 1950-1966 (22); 1976-1982 (20). Tenure at assessment: rented (social) (55); owner-occupied (14); rented (private) (1).
Each home's certificates and sales (19 addresses)
- 6, Grays Gardens, Machen
- 13, Grays Gardens, Machen
- 18, Grays Gardens, Machen
- 23, Grays Gardens, Machen
- 29, Grays Gardens, Machen
- 35, Grays Gardens, Machen
- 36, Grays Gardens, Machen
- 37, Grays Gardens, Machen
- 38, Grays Gardens, Machen
- 40, Grays Gardens, Machen
- 43, Grays Gardens, Machen
- 48, Grays Gardens, Machen
- 51, Grays Gardens, Machen
- 58, Grays Gardens, Machen
- 83a, Grays Gardens, Machen
- 84, Grays Gardens, Machen
- 85a, Grays Gardens, Machen
- 87a Grays Gardens, MacHen
- 89a, Grays Gardens, Machen
Council tax
What each band costs in Caerphilly in 2026-27: Band D £2,083 a year on average, including the police and community council charges.
| A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|
| £1,389 | £1,620 | £1,851 | £2,083 | £2,546 | £3,009 | £3,471 | £4,166 | £4,860 |
Homes by band in the neighbourhood around this street: most are in band A (81% of about 620 homes).
Planning and heritage
- Conservation area: no postcode centre in this street's postcodes is in one.
- Listed buildings on or by this street: none.
- Article 4 directions, tree preservation orders and green belt: Wales has no national record of these; the council's planning department holds them.
Roadworks
Street works permits come from the Department for Transport's Street Manager, which covers England only.
Flood risk
None of the 109 address points in this street's postcodes is in an area at high, medium or low risk of flooding from rivers, the sea or surface water on Natural Resources Wales's map. Outside those areas the chance is under 0.1% (1 in 1,000) a year.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. The map allows for flood defences. Address points are every property record (UPRN) in the postcode, each counted if it is in an area or within 5 m of one (the maps stop at building walls); a few are not homes, such as garages, business units or caravan pitches. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre on this street is in flood zone 2 or 3. Welsh zones include an allowance for climate change.
Height above sea level
The street's 107 addresses are between 110 m and 124 m above sea level (118 m on average); the ground rises about 13 m from the lowest to the highest.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| CF83 8TG | 100% | 100% | 100% | 0% |
| CF83 8TN | 100% | 100% | 100% | 0% |
| CF83 8TQ | 100% | 100% | 100% | 0% |
| CF83 8TW | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Crosskeys 92,000 journeys in 2024–25 | 4.1 km (2.5 miles) |
| Caerphilly 623,000 journeys in 2024–25 | 4.4 km (2.8 miles) | |
| Energlyn and Churchill Park 81,000 journeys in 2024–25 | 4.6 km (2.8 miles) | |
| Bus stops | 7 stops within 400 m (0.2 miles), 10 within 800 m (0.5 miles); nearest Grays Gardens Graig-y-Rhacca | 50 m |
| Bus or coach station | Caerphilly Interchange Stand 11 | 4.4 km (2.7 miles) |
| Ferry terminal | Cardiff Castle Waterbus Stop | 12.5 km (7.8 miles) |
| EV charging points | 2 within 1.6 km (1 mile); nearest Connected Kerb Charging Stations | 1.6 km (1 mile) |
| Airport with scheduled flights | Cardiff International Airport CWL | 25.1 km (16 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | Ty Bryn Surgery | 1.8 km (1.1 miles) |
| Pharmacies | Well | 1.7 km (1.1 miles) |
| NHS dentists | Cross Keys Dental Surgery | 4 km (2.5 miles) |
| Hospital | Ysbyty Ystrad Fawr | 6.6 km (4.1 miles) |
| Police station | Bedwas Police Station | 2.4 km (1.5 miles) |
| Cash machines | The Cooperative Food Machen Commercial Road Cashzone | 1.8 km (1.1 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | Parc Glan yr Afon 16 ha | 830 m (0.5 miles) |
| Play area | 2 within 800 m (0.5 miles); nearest Unnamed 750 m² | 110 m |
| Playing field | Unnamed 1.4 ha | 1.4 km (0.9 miles) |
| Allotments | Lower-Glyn Gwyn Street Allotments 2.0 ha | 1 km (0.6 miles) |
Landmarks
The nearest historic landmark is Rudry Ironworks, a scheduled monument, 670 m (0.4 miles) south. 1 listed building is within 1 km (0.6 miles).
| Name | What it is | From the middle of the street |
|---|---|---|
| Rudry Ironworks | Scheduled monument | 670 m (0.4 miles) south |
| Machen Forge and Tinplate Works | Scheduled monument | 930 m (0.6 miles) east |
| Name | What it is | From the middle of the street |
|---|---|---|
| Coed Waun-cynllyfan | Wood | 580 m (0.4 miles) north |
| Forge Wood | Wood | 790 m (0.5 miles) east |
| Coed Gwter | Wood | 1 km (0.6 miles) south |
| Cwm-diffrwyth | Valley | 1.4 km (0.8 miles) east |
| Twyn yr Oerfel | Hill | 2 km (1.3 miles) north-west |
| Y Llyn | Lake or reservoir | 2.7 km (1.7 miles) east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 7.4 | 40 | 10 |
| Fine particles (PM2.5) | 5.4 | 20 | 5 |
| Particles (PM10) | 8.7 | 40 | 15 |
All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 55 to 59 | 9 | 0 |
| Under 55 | 98 | 107 |
9 of the street's 107 addresses are modelled at 55 dB or more from road traffic, above the WHO guidelines.
Climate, daylight and earthquakes
Monthly temperatures and rainfall, sunrise and sunset through the year, and earthquakes recorded nearby since 1970 are much the same across the area, so they are worked out once for Caerphilly: see them on the Caerphilly page.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| Graig-y-Rhacca Primary and Nursery Community English medium | Primary | 3–11 | 290 m | Estyn reports · My Local School |
| Tyn-Y-Wern Primary English medium | Primary | 3–11 | 1.4 km (0.9 miles) | Estyn reports · My Local School |
| Machen Primary School English medium | Primary | 3–11 | 1.5 km (0.9 miles) | Estyn reports · My Local School |
| Bedwas High School English medium | Secondary | 11–19 | 1.9 km (1.2 miles) | Estyn reports · My Local School |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Graig Y Rhacca Community Association CF83 8TQ | Retailers - other | 110 m | 4 Good | 22 Sep 2025 |
| Graig Y Rhacca Post Office & Stores CF83 8TQ | Retailers - other | 110 m | 4 Good | 6 Feb 2020 |
| Graig yr Rhacca General Store CF83 8TQ | Retailers - other | 110 m | 4 Good | 3 Aug 2026 |
| Chips on the Rock CF83 8TQ | Takeaway/sandwich shop | 120 m | 4 Good | 17 Feb 2026 |
| Minolis of Machen CF83 8JE | Manufacturers/packers | 270 m | 5 Very good | 7 Aug 2025 |
| Basil & Rusty's Ice Cream/Pitsa Popty Pren CF83 8JE | Restaurant/Cafe/Canteen | 270 m | 3 Generally satisfactory | 7 Aug 2025 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Violence and sexual offences | 56 |
| Anti-social behaviour | 16 |
| Public order | 15 |
| Criminal damage and arson | 15 |
| Burglary | 5 |
| Other theft | 3 |
| Drugs | 3 |
| Possession of weapons | 2 |
| Vehicle crime | 2 |
| Other crime | 2 |
Most of these are attached to: On or near Dickens Court (55); On or near Grays Gardens (33); On or near Herrick Place (31).
People and work
Who lives here
| Around this street | Wales | |
|---|---|---|
| Median age | 31 | 43 |
| Children under 15 | 26% | 17% |
| Aged 65 and over | 7% | 21% |
Homes
| Around this street | Wales | |
|---|---|---|
| Owned (outright or with a mortgage) | 27% | 66% |
| Owned outright | 14% | 38% |
| Shared ownership | 0% | under 1% |
| Social rented | 65% | 17% |
| Private rented | 8% | 17% |
Work and commuting
| Around this street | Wales | |
|---|---|---|
| Adults (16 and over) in work | 36% | 54% |
| Unemployment (of those working or looking for work) | 18% | 6% |
| Retired (of adults) | 7% | 25% |
| Long-term sick or disabled (of adults) | 19% | 6% |
| Work mainly from home (of those in work) | 15% | 26% |
| Travel to work by car or van | 64% | 61% |
| By train, Underground, metro or tram | 1% | under 1% |
| By any public transport, including bus | 10% | 3% |
| On foot or by bicycle | 9% | 8% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 67% | 60% |
| Work 30 km (19 miles) or more away | 4% | 10% |
Education and languages
| Around this street | Wales | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 16% | 32% |
| No qualifications | 36% | 20% |
| Apprenticeship as highest qualification | 5% | 6% |
| Main language English or Welsh (aged 3 and over) | 97% | 97% |
| Cannot speak English well or at all | under 1% | under 1% |
Deprivation
The neighbourhood around this street is in decile 1 of 10 on the Welsh Index of Multiple Deprivation 2025, where 1 is the most deprived tenth of Wales's 1,917 neighbourhoods and 10 the least.
What has changed
- Energy certificates New energy certificate: band C, maisonette, not recorded (lodged 27 October 2026) found 2 November 2026
Postcodes on this street
- CF83 8TQ: 35 addresses of 36 in the postcode
- CF83 8TW: 29 addresses
- CF83 8TN: 22 addresses
- CF83 8TG: 21 addresses of 22 in the postcode
Nearby streets
Shelley Court · Milton Place · Dickens Court · Burns Close · Coleridge Gardens · Herrick Place · Longfellow Gardens · Milton Place · Keble Court · St David's Drive · Addison Way · Summerfield Lane
All the streets in CF83 and across Caerphilly.
What this page cannot tell you
- Whether a particular house is at risk of flooding, subsiding or anything else: the flood map is a model of areas and there is no property-level data here.
- What a home is worth now: sales are historic prices for the homes that happened to sell.
- How safe the street is: crime points are moved to anonymised locations and many crimes are never reported.
- Whether you would get a place at a school: distances are straight lines, not catchments.
- Who lives on the street now: census figures describe the small areas around it in March 2021, during a lockdown.
- How long a journey takes or how often anything runs: transport distances are straight lines to the nearest stops.
- Whether a GP practice is taking new patients, or a dentist new NHS patients.
- How loud a home is inside, or noise from industry, neighbours or smaller airfields: noise figures are models of road, rail and air traffic outside.
How each figure on this page is matched to the street and worked out: methodology.