Lon Y Plas, Johnstown, Carmarthen
House prices, sold prices and local information for SA31 3NJ.
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At a glance
12 property sales on Lon Y Plas, Johnstown, Carmarthen have been recorded by HM Land Registry since 2016. In the last 12 months 3 homes sold here for an average of £228,333. Most sales here are detached homes, which have sold for an average of £214,235. Average sale prices rose from £178,975 in 2016 to £230,000 in 2026 (+29%), though averages on a single street can swing with the mix of homes sold. 1 home here has sold more than once since 2016; 1 of them sold for more the second time. Recorded sale prices on Lon Y Plas range from £139,365 to £315,000. Every home sold here was sold freehold. Of 50 streets in Carmarthen with at least two sales in the last year, Lon Y Plas ranks 19th for average price.
House prices on Lon Y Plas compared
Average sale price over the last 12 months. See all SA31 house prices.
Average sale price by year
Tenure: 100% freehold and 0% leasehold across 15 recorded sales.
Prices by property type
| Type | Sales | Average price | Last sold |
|---|---|---|---|
| Detached | 12 | £214,235 | 8 May 2026 |
Sold prices on Lon Y Plas
| Address | Date | Price | Type | Tenure |
|---|---|---|---|---|
| 25, Lon Y Plas SA31 3NJ | 8 May 2026 | £225,000 | Detached | Freehold |
| 36, Lon Y Plas SA31 3NJ | 7 May 2026 | £235,000 | Detached | Freehold |
| 31, Lon Y Plas SA31 3NJ | 29 Oct 2025 | £225,000 | Detached | Freehold |
| 14, Lon Y Plas SA31 3NJ | 22 Mar 2024 | £285,000 | Detached | Freehold |
| 2, Lon Y Plas SA31 3NJ | 12 Jan 2024 | £315,000 | Detached | Freehold |
| 22, Lon Y Plas SA31 3NJ | 28 Nov 2023 | £139,365 | Detached | Freehold |
| 1, Lon Y Plas SA31 3NJ | 5 May 2023 | £270,000 | Other | Freehold |
| 2, Lon Y Plas SA31 3NJ | 5 Aug 2022 | £265,000 | Detached | Freehold |
| 16, Lon Y Plas SA31 3NJ | 6 May 2021 | £172,000 | Detached | Freehold |
| 3, Lon Y Plas SA31 3NJ | 29 Jan 2021 | £222,500 | Detached | Freehold |
| 7, Lon Y Plas SA31 3NJ | 7 Oct 2019 | £199,000 | Detached | Freehold |
| 9, Lon Y Plas SA31 3NJ | 11 Apr 2018 | £195,000 | Detached | Freehold |
| 34, Lon Y Plas SA31 3NJ | 25 Jul 2017 | £170,000 | Detached | Freehold |
| 13, Lon Y Plas SA31 3NJ | 25 Nov 2016 | £209,950 | Detached | Freehold |
| 11, Lon Y Plas SA31 3NJ | 26 Feb 2016 | £148,000 | Detached | Freehold |
Sale prices are as recorded by HM Land Registry. Some sales (for example repossessions and company purchases) are listed but left out of the averages.
Sale history: homes sold more than once
| Address | Sales | Change |
|---|---|---|
| 2, Lon Y Plas | £265,000 (Aug 2022) → £315,000 (Jan 2024) | +19% over 1 yr |
Buying on Lon Y Plas?
Crime and flood risk near Lon Y Plas
Crime
94 crimes were reported within about a mile of Lon Y Plas in August 2026.
| Violence & sexual offences | 44 |
| Anti-social behaviour | 12 |
| Drugs | 7 |
| Shoplifting | 7 |
| Burglary | 6 |
| Other theft | 6 |
Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.
Flood risk
Lon Y Plas is not in or near any Environment Agency flood warning or alert area.
Flood warning areas cover places at risk from rivers and the sea. Surface water risk isn't included. Check the long-term flood risk for a postcode on GOV.UK.
Getting around, shops and health
Train stations
- Carmarthen station 0.9 mi · 19 min walk
Nearest bus stops
- Queen Elizabeth High School (Llansteffan Road) 2 min walk
- Carmarthen Leisure Centre (Llansteffan Road) 2 min walk
- Queen Elizabeth High School (Grounds) 2 min walk
- Cambria School (Grounds) 3 min walk
GP surgeries
- Meddygfa Parc
Meddygfa Parc, Building 8, Parc Dewi Sant, Carmarthen · 0.8 mi - Furnace House Surgery
St. Andrews Road, Carmarthen · 1.2 mi - St Peter's Surgery
St. Peters Surgery, St. Peters Street, Carmarthen · 1.3 mi
Supermarkets
- Spar Spar - Llanstefan Road · 0.1 mi
- Tesco Extra Tesco Carmarthen Extra · 0.6 mi
- Farmfoods Farmfoods Carmarthen · 0.6 mi
- The Co-operative Food Co-op Carmarthen - Jobs Well Road · 0.6 mi
Pharmacies
- Tesco Instore Pharmacy · 0.8 mi
- Morrisons Pharmacy · 0.8 mi
- Walter Lloyd & Son Pharmacy · 1.0 mi
Dentists
- Dewi Sant Dental · 0.8 mi
- 1st Floor · 0.9 mi
- Corporate Offices · 0.9 mi
Sources: Department for Transport (NaPTAN), NHS England organisation data, and GEOLYTIX Retail Points (open data). Walking times are estimates from straight-line distance.
Area profile
Homes
| Here | Eng & Wales | |
|---|---|---|
| Owned | 75.2% | 62.5% |
| Private rented | 15.4% | 20.3% |
| Social rented | 9.4% | 17.1% |
| Households | 775 |
People
| Here | Eng & Wales | |
|---|---|---|
| Under 15 | 13.3% | 17.4% |
| Aged 15–64 | 55.2% | 64.1% |
| Aged 65+ | 31.5% | 18.6% |
| Residents | 1,761 |
Broadband
| Here | UK | |
|---|---|---|
| Superfast (30Mbit+) | 100% | 95% |
| Ultrafast (300Mbit+) | 100% | 80% |
| Gigabit-capable | 100% | 80% |
Share of homes on this street's postcodes that can get each speed. UK figure is the average across all postcodes. Source: Ofcom Connected Nations.
Mobile signal
| Here | Eng & Wales | |
|---|---|---|
| 4G indoors, all 4 networks | 75% | 89% |
| 4G indoors, at least 1 network | 98% | 100% |
| 4G outdoors, all 4 networks | 94% | 99% |
| Calls indoors, all 4 networks | 81% | 92% |
Share of homes across Carmarthenshire with good coverage (Jul 2025). Signal varies street by street; check your exact address on Ofcom's checker. Source: Ofcom Connected Nations.
Neighbourhood figures cover the surrounding Lower Layer Super Output Area (about 1,500 residents). Sources: Census 2021 (ONS) and the English Indices of Deprivation 2025.
Energy ratings and home sizes on Lon Y Plas
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Who lives around Lon Y Plas
Ethnic group
| Here | Carmarthenshire | |
|---|---|---|
| White | 94.1% | 97.2% |
| Asian, Asian British or Asian Welsh | 2.6% | 1.2% |
| Mixed or Multiple ethnic groups | 1.5% | 0.9% |
| Other ethnic group | 1% | 0.4% |
| Black, Black British, Black Welsh, Caribbean or African | 0.7% | 0.2% |
Religion
| Here | Carmarthenshire | |
|---|---|---|
| Christian | 52% | 47.6% |
| No religion | 38.4% | 44.4% |
| Not answered | 7.4% | 6.2% |
| Muslim | 0.7% | 0.5% |
| Buddhist | 0.6% | 0.3% |
| Hindu | 0.5% | 0.2% |
| Other religion | 0.4% | 0.6% |
| Sikh | 0.1% | – |
Country of birth
| Here | Carmarthenshire | |
|---|---|---|
| Born in the UK | 94.1% | 95% |
| Born outside the UK | 5.9% | 5% |
Highest qualification
| Here | Carmarthenshire | |
|---|---|---|
| Level 4 qualifications and above | 35.9% | 31.3% |
| No qualifications | 19.6% | 20% |
| Level 3 qualifications | 16.3% | 16.1% |
| Level 2 qualifications | 13.2% | 15.2% |
| Level 1 and entry level qualifications | 7.2% | 8.5% |
| Apprenticeship | 5.1% | 6.2% |
| Other qualifications | 2.7% | 2.6% |
General health
| Here | Carmarthenshire | |
|---|---|---|
| Very good health | 45.1% | 45.1% |
| Good health | 33.4% | 31.7% |
| Fair health | 15.1% | 15.7% |
| Bad health | 4.8% | 5.6% |
| Very bad health | 1.6% | 1.9% |
Cars or vans per household
| Here | Carmarthenshire | |
|---|---|---|
| 1 car or van in household | 40.1% | 41.3% |
| 2 cars or vans in household | 31.3% | 30.2% |
| No cars or vans in household | 16.9% | 15.4% |
| 3 or more cars or vans in household | 11.8% | 13.1% |
Source: Census 2021 (ONS), via Nomis. Percentages of usual residents or households, as recorded in March 2021.
Figures cover the surrounding neighbourhood (Lower Layer Super Output Area, about 1,500 residents). Full demographics of Carmarthenshire.
Planning and heritage near Lon Y Plas
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Noise, radon and ground hazards
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Planning applications near Lon Y Plas
Recent planning applications around Lon Y Plas from the council's planning register. Choose how far to look:
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Thinking of selling on Lon Y Plas?
What's my home worth?
Get an instant estimate from what you paid and how prices in Carmarthenshire have moved since.
Council tax here
Carmarthenshire Band D is £2,351 a year (Band A £1,567). See every band.
Estate agents near Lon Y Plas
- Gerald R. Vaughan 0.9 mi
- John Francis 0.9 mi
- West Wales Properties 0.9 mi
- West Wales Properties 1.0 mi
- Clee Tompkinson Francis 1.1 mi
Agent locations © OpenStreetMap contributors. More local agents
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