Boi Close, Mountain Ash

MyStreetCheck free street report: Boi Close, Mountain Ash · 30 October 2026 · www.mystreetcheck.co.uk/mountain-ash-rhondda-cynon-taff/boi-close/

House prices, sold prices and local information for CF45 3DP.

Average price (last 12 months)

£172,500

1 sale

Average price (since 2016)

£137,899

5 sales

Price range

£96k – £173k

lowest to highest sale

Last sale

4 Sep 2026

CF45 3DP

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At a glance

House prices£138k averageSince 2016 (few recent sales) Crime87 reportedWithin about a mile, latest month Flood riskNo flood warning areasFrom rivers or the sea Nearest station2 min walkFernhill station Ultrafast broadband100% of homesNational average 80% Freehold or leaseholdAll freeholdAcross 5 Land Registry sales Planning applicationsChecking…Within 500 m, last 90 days

5 property sales on Boi Close, Mountain Ash have been recorded by HM Land Registry since 2016. In the last 12 months 1 home sold here for an average of £172,500. Most sales here are detached homes, which have sold for an average of £115,667. 1 home here has sold more than once since 2016; 1 of them sold for more the second time. By property type, sales here have been 60% detached, 40% semi-detached. Recorded sale prices on Boi Close range from £96,000 to £172,500. Every home sold here was sold freehold.

House prices on Boi Close compared

CF45 postcode area£148,988

Mountain Ash£148,988

England & Wales£358,701

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

Average sale price by year

Tenure: 100% freehold and 0% leasehold across 5 recorded sales.

Prices by property type

Type	Sales	Average price	Last sold
Detached	3	£115,667	19 Jul 2019
Semi-detached	2	£171,248	4 Sep 2026

Sold prices on Boi Close

Address	Date	Price	Type	Tenure
11, Boi Close CF45 3DP	4 Sep 2026	£172,500	Semi-detached	Freehold
9, Boi Close CF45 3DP	6 Nov 2020	£169,995	Semi-detached	Freehold
16, Boi Close CF45 3DP	19 Jul 2019	£131,000	Detached	Freehold
16, Boi Close CF45 3DP	11 Sep 2017	£120,000	Detached	Freehold
8, Boi Close CF45 3DP	26 Feb 2016	£96,000	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
16, Boi Close	£120,000 (Sep 2017) → £131,000 (Jul 2019)	+9% over 2 yrs

Buying on Boi Close?

Crime and flood risk near Boi Close

Crime

87 crimes were reported within about a mile of Boi Close in August 2026.

Violence & sexual offences	46
Anti-social behaviour	9
Public order	9
Criminal damage & arson	6
Other theft	5
Burglary	3

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

Flood risk

Boi Close 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

Fernhill station 0.1 mi · 2 min walk
Mountain Ash station 0.9 mi · 18 min walk
Cwmbach station 1.4 mi · 28 min walk

Nearest bus stops

Glenboi Primary School (nr, Fernhill) 1 min walk
Fernhill Railway Station (o/s, Aberdare Road) 1 min walk
Glenboi Primary School (nr, Fernhill) 2 min walk
Glenboi Cemetery (before, Aberdare Road) 2 min walk

GP surgeries

Health Hub Iw
Ysbyty Cwm Cynon, New Road, Mountain Ash · 0.2 mi
Abercwmboi Medical Practice
Abercwmboi Medical Centre, 1-3 John Street, Aberdare · 0.7 mi
Meddygfa Glan Cynon Surge
Ty Calon Lan, Oxford Street, Mountain Ash · 0.8 mi
Cwmaman Surgery
6-14 Glanaman Road, Cwmaman, Aberdare · 2.2 mi

Supermarkets

Morrisons Daily Morrisons Daily Mountain Ash · 0.8 mi
Iceland Iceland Mountain Ash · 0.8 mi
Aldi Aldi Aberaman Park Industrial Estate · 1.4 mi
Lidl Lidl Aberdare · 1.6 mi

Pharmacies

Knights Abercwmboi Pharmacy · 0.7 mi
Allied Pharmacy Mountain Ash · 0.7 mi
Knights Mountain Ash Pharmacy · 0.8 mi

Dentists

Mountain Ash Dental Dept · 0.2 mi
Dental Surgery · 0.8 mi
Ferndale Dental Surgery · 2.8 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	48.4%	62.5%
Private rented	10.8%	20.3%
Social rented	40.6%	17.1%
Households	556

People

	Here	Eng & Wales
Under 15	18.6%	17.4%
Aged 15–64	61.9%	64.1%
Aged 65+	19.5%	18.6%
Residents	1,278

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	83%	89%
4G indoors, at least 1 network	100%	100%
4G outdoors, all 4 networks	96%	99%
Calls indoors, all 4 networks	94%	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 Boi Close

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Who lives around Boi Close

Ethnic group

	Here	Rhondda Cynon Taf
White	98.1%	96.7%
Black, Black British, Black Welsh, Caribbean or African	0.9%	0.4%
Mixed or Multiple ethnic groups	0.5%	1%
Asian, Asian British or Asian Welsh	0.4%	1.5%
Other ethnic group	0.2%	0.3%

Religion

	Here	Rhondda Cynon Taf
No religion	60.1%	56.2%
Christian	33.9%	36.4%
Not answered	5.2%	5.8%
Buddhist	0.2%	0.2%
Muslim	0.2%	0.6%
Other religion	0.2%	0.5%
Hindu	0%	0.2%
Jewish	0%	–

Country of birth

	Here	Rhondda Cynon Taf
Born in the UK	96.9%	96.3%
Born outside the UK	3.1%	3.7%

Highest qualification

	Here	Rhondda Cynon Taf
No qualifications	29.9%	24.2%
Level 4 qualifications and above	19.5%	26.7%
Level 2 qualifications	18.7%	15%
Level 3 qualifications	12.5%	16.8%
Level 1 and entry level qualifications	11%	9.4%
Apprenticeship	5.3%	5.1%
Other qualifications	3%	2.7%

General health

	Here	Rhondda Cynon Taf
Very good health	40.3%	44.5%
Good health	32.1%	31.7%
Fair health	17.4%	15.5%
Bad health	7%	6.3%
Very bad health	3.2%	1.9%

Cars or vans per household

	Here	Rhondda Cynon Taf
1 car or van in household	35.2%	41.8%
No cars or vans in household	33.8%	22.2%
2 cars or vans in household	23.3%	26.6%
3 or more cars or vans in household	7.7%	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 Boi Close

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Noise, radon and ground hazards

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Planning applications near Boi Close

Recent planning applications around Boi Close 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

See all streets in Mountain Ash All streets in CF45