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Seymour Street, Mountain Ash

MyStreetCheck free street report: Seymour Street, Mountain Ash · 31 October 2026 · www.mystreetcheck.co.uk/mountain-ash-rhondda-cynon-taff/seymour-street/

House prices, sold prices and local information for CF45 4BL.

Average price (last 12 months)
–
0 sales
Average price (since 2016)
£91,333
15 sales
Price range
£40k – £172k
lowest to highest sale
Last sale
13 Jun 2024
CF45 4BL

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At a glance

House prices£91k averageSince 2016 (few recent sales) Crime99 reportedWithin about a mile, latest month Flood riskNo flood warning areasFrom rivers or the sea Nearest station4 min walkMountain Ash station Ultrafast broadband100% of homesNational average 80% Freehold or leaseholdAll freeholdAcross 20 Land Registry sales Planning applicationsChecking…Within 500 m, last 90 days

15 property sales on Seymour Street, Mountain Ash have been recorded by HM Land Registry since 2016. The most recent sale was on 13 Jun 2024. Most sales here are terraced homes, which have sold for an average of £91,333. 5 homes here have sold more than once since 2016; 4 of them sold for more the second time. Recorded sale prices on Seymour Street range from £39,999 to £171,500. Every home sold here was sold freehold.

House prices on Seymour Street compared

CF45 postcode area£148,988
Mountain Ash£148,988
England & Wales£358,701

Average sale price over the last 12 months. Seymour Street has had fewer than two sales in that time, so it is left out. See all CF45 house prices.

Average sale price by year

2016: £71,500 (2 sales)2016£72k2017: £67,500 (1 sales)2017£68k2019: £97,000 (2 sales)2019£97k2020: £74,000 (4 sales)2020£74k2021: £81,000 (3 sales)2021£81k2022: £140,000 (1 sales)2022£140k2023: £171,500 (1 sales)2023£172k2024: £115,000 (1 sales)2024£115k

Tenure: 100% freehold and 0% leasehold across 20 recorded sales.

Prices by property type

TypeSalesAverage priceLast sold
Terraced15£91,33313 Jun 2024

Sold prices on Seymour Street

AddressDatePriceTypeTenure
11, Seymour Street CF45 4BL 13 Jun 2024£115,000 TerracedFreehold
9, Seymour Street CF45 4BL 17 Feb 2023£171,500 TerracedFreehold
41, Seymour Street CF45 4BL 22 Nov 2022£140,000 TerracedFreehold
3, Seymour Street CF45 4BL 5 Apr 2022£58,000 TerracedFreehold
9, Seymour Street CF45 4BL 25 Mar 2022£65,000 TerracedFreehold
37, Seymour Street CF45 4BL 16 Dec 2021£85,000 TerracedFreehold
34, Seymour Street CF45 4BL 18 Nov 2021£63,250 TerracedFreehold
29, Seymour Street CF45 4BL 18 Jun 2021£75,000 TerracedFreehold
27, Seymour Street CF45 4BL 19 Feb 2021£83,000 TerracedFreehold
39, Seymour Street CF45 4BL 4 Dec 2020£94,000 TerracedFreehold
14, Seymour Street CF45 4BL 9 Oct 2020£68,500 TerracedFreehold
35, Seymour Street CF45 4BL 8 Apr 2020£93,500 TerracedFreehold
3, Seymour Street CF45 4BL 21 Feb 2020£39,999 TerracedFreehold
4, Seymour Street CF45 4BL 20 Aug 2019£59,000 TerracedFreehold
7, Seymour Street CF45 4BL 25 Jul 2019£135,000 TerracedFreehold
4, Seymour Street CF45 4BL 21 Dec 2018£75,000 TerracedFreehold
38, Seymour Street CF45 4BL 16 Nov 2017£67,500 TerracedFreehold
8, Seymour Street CF45 4BL 21 Dec 2016£69,500 TerracedFreehold
38, Seymour Street CF45 4BL 26 May 2016£42,000 TerracedFreehold
27, Seymour Street CF45 4BL 5 Feb 2016£73,500 TerracedFreehold

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

AddressSalesChange
9, Seymour Street £65,000 (Mar 2022) → £171,500 (Feb 2023) +164%
over under a year
3, Seymour Street £39,999 (Feb 2020) → £58,000 (Apr 2022) +45%
over 2 yrs
27, Seymour Street £73,500 (Feb 2016) → £83,000 (Feb 2021) +13%
over 5 yrs
4, Seymour Street £75,000 (Dec 2018) → £59,000 (Aug 2019) -21%
over under a year
38, Seymour Street £42,000 (May 2016) → £67,500 (Nov 2017) +61%
over 1 yr

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Crime and flood risk near Seymour Street

Crime

99 crimes were reported within about a mile of Seymour Street in August 2026.

Violence & sexual offences53
Public order11
Anti-social behaviour10
Criminal damage & arson9
Burglary4
Drugs4

Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.

Flood risk

Seymour Street 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

  • Mountain Ash station 0.2 mi · 4 min walk
  • Fernhill station 0.8 mi · 16 min walk
  • Penrhiwceiber station 1.2 mi · 25 min walk

Nearest bus stops

  • Cae Garw Primary School (o/s, Troed-y-Rhiw Road) 1 min walk
  • Mountain Ash Town Hall (after, Mountain Ash Bridge) 2 min walk
  • New Road (on, New Road (A4059)) 2 min walk
  • Oxford Street (o/s Greggs, Oxford Street) 3 min walk

GP surgeries

  • Meddygfa Glan Cynon Surge
    Ty Calon Lan, Oxford Street, Mountain Ash · 0.2 mi
  • Health Hub Iw
    Ysbyty Cwm Cynon, New Road, Mountain Ash · 0.7 mi
  • Abercwmboi Medical Practice
    Abercwmboi Medical Centre, 1-3 John Street, Aberdare · 1.5 mi
  • Brookside Medical Centre
    Heol Afon Taf, Troedyrhiw, Merthyr Tydfil · 2.3 mi

Supermarkets

  • Morrisons Daily Morrisons Daily Mountain Ash · 0.2 mi
  • Iceland Iceland Mountain Ash · 0.2 mi
  • The Co-operative Food Co-op Penrhwiceiber · 1.2 mi
  • Aldi Aldi Aberaman Park Industrial Estate · 2.0 mi

Pharmacies

  • Allied Pharmacy Mountain Ash · 0.2 mi
  • Knights Mountain Ash Pharmacy · 0.2 mi
  • Knights Penrhiwceiber Pharmacy · 1.2 mi

Dentists

  • Dental Surgery · 0.2 mi
  • Mountain Ash Dental Dept · 0.7 mi
  • Dental Surgery · 3.4 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

HereEng & Wales
Owned69.4%62.5%
Private rented16.0%20.3%
Social rented14.4%17.1%
Households699

People

HereEng & Wales
Under 1514.2%17.4%
Aged 15–6460.4%64.1%
Aged 65+25.3%18.6%
Residents1,460

Broadband

HereUK
Superfast (30Mbit+)100%95%
Ultrafast (300Mbit+)100%80%
Gigabit-capable100%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

HereEng & Wales
4G indoors, all 4 networks83%89%
4G indoors, at least 1 network100%100%
4G outdoors, all 4 networks96%99%
Calls indoors, all 4 networks94%92%

Share of homes across Rhondda Cynon Taf 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 Seymour Street

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Who lives around Seymour Street

Ethnic group

HereRhondda Cynon Taf
White97.7%96.7%
Mixed or Multiple ethnic groups1.2%1%
Asian, Asian British or Asian Welsh0.8%1.5%
Black, Black British, Black Welsh, Caribbean or African0.2%0.4%
Other ethnic group0%0.3%

Religion

HereRhondda Cynon Taf
No religion47.3%56.2%
Christian45.1%36.4%
Not answered6.5%5.8%
Hindu0.5%0.2%
Buddhist0.2%0.2%
Other religion0.2%0.5%
Muslim0.1%0.6%
Sikh0.1%0.1%

Country of birth

HereRhondda Cynon Taf
Born in the UK98%96.3%
Born outside the UK2%3.7%

Highest qualification

HereRhondda Cynon Taf
No qualifications25.3%24.2%
Level 4 qualifications and above24.7%26.7%
Level 2 qualifications16.6%15%
Level 3 qualifications15.3%16.8%
Level 1 and entry level qualifications9.2%9.4%
Apprenticeship6.4%5.1%
Other qualifications2.4%2.7%

General health

HereRhondda Cynon Taf
Very good health38.8%44.5%
Good health31.9%31.7%
Fair health18.7%15.5%
Bad health7.3%6.3%
Very bad health3.2%1.9%

Cars or vans per household

HereRhondda Cynon Taf
1 car or van in household45.1%41.8%
No cars or vans in household23.4%22.2%
2 cars or vans in household23.4%26.6%
3 or more cars or vans in household8.1%9.3%

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 Rhondda Cynon Taf.

Planning and heritage near Seymour Street

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Planning applications near Seymour Street

Recent planning applications around Seymour Street from the council's planning register. Choose how far to look:

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Council tax here

Rhondda Cynon Taf Band D is £2,289 a year (Band A £1,526). See every band.

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Nearby streets in CF45

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