100% FREE

Bonllwyn, Ammanford

MyStreetCheck free street report: Bonllwyn, Ammanford · 31 October 2026 · www.mystreetcheck.co.uk/ammanford-carmarthenshire/bonllwyn/

House prices, sold prices and local information for SA18 2EF.

Average price (last 12 months)
£150,000
3 sales
Average price (since 2016)
£145,981
29 sales
Price range
£63k – £375k
lowest to highest sale
Last sale
2 Mar 2026
SA18 2EF

Free, no sign-up. Other sites charge up to £25.

At a glance

29 property sales on Bonllwyn, Ammanford have been recorded by HM Land Registry since 2016. In the last 12 months 3 homes sold here for an average of £150,000. Most sales here are semi-detached homes, which have sold for an average of £122,146. That is 33% below the Ammanford average of £222,692 over the same period. 9 homes here have sold more than once since 2016; 8 of them sold for more the second time. By property type, sales here have been 83% semi-detached, 14% detached, 3% terraced. Recorded sale prices on Bonllwyn range from £62,500 to £375,000. Every home sold here was sold freehold. Of 57 streets in Ammanford with at least two sales in the last year, Bonllwyn ranks 50th for average price.

House prices on Bonllwyn compared

Bonllwyn£150,000
SA18 postcode area£220,065
Ammanford£222,692
England & Wales£358,701

Average sale price over the last 12 months. See all SA18 house prices.

Average sale price by year

2016: £102,167 (3 sales)2016£102k2017: £107,000 (4 sales)2017£107k2018: £111,000 (2 sales)2018£111k2019: £127,483 (3 sales)2019£127k2020: £177,875 (4 sales)2020£178k2021: £195,749 (4 sales)2021£196k2023: £190,000 (1 sales)2023£190k2024: £232,000 (1 sales)2024£232k2025: £137,167 (6 sales)2025£137k2026: £155,000 (1 sales)2026£155k

Tenure: 100% freehold and 0% leasehold across 33 recorded sales.

Prices by property type

TypeSalesAverage priceLast sold
Semi-detached24£122,1462 Mar 2026
Detached4£277,98812 Jan 2024
Terraced1£190,0003 Nov 2023

Sold prices on Bonllwyn

AddressDatePriceTypeTenure
54, Bonllwyn SA18 2EF 2 Mar 2026£155,000 Semi-detachedFreehold
15, Bonllwyn SA18 2EF 12 Dec 2025£135,000 Semi-detachedFreehold
29, Bonllwyn SA18 2EF 8 Dec 2025£160,000 Semi-detachedFreehold
30, Bonllwyn SA18 2EF 15 Oct 2025£130,000 Semi-detachedFreehold
28, Bonllwyn SA18 2EF 16 May 2025£130,000 Semi-detachedFreehold
48, Bonllwyn SA18 2EF 28 Apr 2025£138,000 Semi-detachedFreehold
23, Bonllwyn SA18 2EF 28 Feb 2025£130,000 Semi-detachedFreehold
3, Bonllwyn SA18 2EF 12 Jan 2024£232,000 DetachedFreehold
32, Bonllwyn SA18 2EF 3 Nov 2023£190,000 TerracedFreehold
50A, Bonllwyn SA18 2EF 29 Sep 2023£80,000 OtherFreehold
37, Bonllwyn SA18 2EF 6 Oct 2021£139,995 Semi-detachedFreehold
20, Bonllwyn SA18 2EF 1 Sep 2021£168,000 Semi-detachedFreehold
6, Bonllwyn SA18 2EF 26 Aug 2021£100,000 Semi-detachedFreehold
Memphis, 5, Bonllwyn SA18 2EF 30 Jun 2021£375,000 DetachedFreehold
9, Bonllwyn SA18 2EF 17 Dec 2020£138,000 Semi-detachedFreehold
29, Bonllwyn SA18 2EF 9 Oct 2020£115,000 Semi-detachedFreehold
Memphis, 5, Bonllwyn SA18 2EF 22 Jul 2020£330,000 DetachedFreehold
46, Bonllwyn SA18 2EF 7 Apr 2020£113,000 Semi-detachedFreehold
22, Bonllwyn SA18 2EF 14 Feb 2020£153,500 Semi-detachedFreehold
48, Bonllwyn SA18 2EF 16 Aug 2019£103,500 Semi-detachedFreehold
35, Bonllwyn SA18 2EF 3 Jul 2019£174,950 DetachedFreehold
12, Bonllwyn SA18 2EF 24 May 2019£104,000 Semi-detachedFreehold
37, Bonllwyn SA18 2EF 14 Dec 2018£102,000 Semi-detachedFreehold
11, Bonllwyn SA18 2EF 30 Jan 2018£120,000 Semi-detachedFreehold
11, Bonllwyn SA18 2EF 25 Jul 2017£77,500 Semi-detachedFreehold
26, Bonllwyn SA18 2EF 30 Jun 2017£86,000 Semi-detachedFreehold
16, Bonllwyn SA18 2EF 6 Jun 2017£110,000 Semi-detachedFreehold
9, Bonllwyn SA18 2EF 1 Jun 2017£107,000 Semi-detachedFreehold
20, Bonllwyn SA18 2EF 10 Apr 2017£125,000 Semi-detachedFreehold
38, Bonllwyn SA18 2EF 5 Aug 2016£115,000 Semi-detachedFreehold
22, Bonllwyn SA18 2EF 6 Apr 2016£129,000 Semi-detachedFreehold
9, Bonllwyn SA18 2EF 22 Mar 2016£62,500 Semi-detachedFreehold
46, Bonllwyn SA18 2EF 14 Mar 2016£124,500 Semi-detachedFreehold

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
29, Bonllwyn £115,000 (Oct 2020) → £160,000 (Dec 2025) +39%
over 5 yrs
48, Bonllwyn £103,500 (Aug 2019) → £138,000 (Apr 2025) +33%
over 6 yrs
37, Bonllwyn £102,000 (Dec 2018) → £139,995 (Oct 2021) +37%
over 3 yrs
20, Bonllwyn £125,000 (Apr 2017) → £168,000 (Sep 2021) +34%
over 4 yrs
Memphis, 5, Bonllwyn £330,000 (Jul 2020) → £375,000 (Jun 2021) +14%
over under a year
9, Bonllwyn £62,500 (Mar 2016) → £107,000 (Jun 2017) → £138,000 (Dec 2020) +121%
over 5 yrs
46, Bonllwyn £124,500 (Mar 2016) → £113,000 (Apr 2020) -9%
over 4 yrs
22, Bonllwyn £129,000 (Apr 2016) → £153,500 (Feb 2020) +19%
over 4 yrs
11, Bonllwyn £77,500 (Jul 2017) → £120,000 (Jan 2018) +55%
over under a year

Buying on Bonllwyn?

Land Transaction Tax calculator

Mortgage calculator

Crime and flood risk near Bonllwyn

Crime

67 crimes were reported within about a mile of Bonllwyn in August 2026.

Violence & sexual offences30
Anti-social behaviour11
Public order8
Criminal damage & arson6
Drugs4
Other theft4

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

Flood risk

Bonllwyn 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

  • Ammanford station 0.5 mi · 10 min walk
  • Llandybie station 1.3 mi · 26 min walk
  • Pantyffynnon station 1.7 mi · 34 min walk

Nearest bus stops

  • Blaenau (Bonllwyn) 1 min walk
  • Blaenau (Bonllwyn) 1 min walk
  • Heol Aberlash (Bonllwyn) 2 min walk
  • Heol Aberlash (Bonllwyn) 2 min walk

GP surgeries

  • Brynteg Surgery
    Brynmawr Avenue, Ammanford · 0.4 mi
  • Margaret Street Practice
    Margaret Street, Ammanford · 0.6 mi
  • Meddygfa Penygroes
    Bridge Street, Penygroes, Llanelli · 2.5 mi

Supermarkets

  • The Co-operative Food Co-op Ammanford - College Road · 0.7 mi
  • Iceland Iceland Ammanford · 0.8 mi
  • Lidl Lidl Ammanford · 1.0 mi
  • Tesco Tesco Ammanford Superstore · 1.1 mi

Pharmacies

  • Allied Pharmacy Ammanford · 0.4 mi
  • Margaret Street Pharmacy · 0.7 mi
  • Boots · 0.8 mi

Dentists

  • Amman Dental · 0.7 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
Owned83.1%62.5%
Private rented11.1%20.3%
Social rented5.8%17.1%
Households947

People

HereEng & Wales
Under 1517.1%17.4%
Aged 15–6455.6%64.1%
Aged 65+27.2%18.6%
Residents2,306

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 networks75%89%
4G indoors, at least 1 network98%100%
4G outdoors, all 4 networks94%99%
Calls indoors, all 4 networks81%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 Bonllwyn

Loading energy certificates…

Who lives around Bonllwyn

Ethnic group

HereCarmarthenshire
White97.7%97.2%
Asian, Asian British or Asian Welsh1.1%1.2%
Mixed or Multiple ethnic groups0.6%0.9%
Black, Black British, Black Welsh, Caribbean or African0.4%0.2%
Other ethnic group0.2%0.4%

Religion

HereCarmarthenshire
Christian54.2%47.6%
No religion39.1%44.4%
Not answered5.6%6.2%
Hindu0.4%0.2%
Buddhist0.3%0.3%
Muslim0.2%0.5%
Other religion0.2%0.6%
Jewish0%0.1%

Country of birth

HereCarmarthenshire
Born in the UK95.8%95%
Born outside the UK4.2%5%

Highest qualification

HereCarmarthenshire
Level 4 qualifications and above37.9%31.3%
Level 3 qualifications16.9%16.1%
Level 2 qualifications16.3%15.2%
No qualifications13.8%20%
Apprenticeship6.7%6.2%
Level 1 and entry level qualifications6.1%8.5%
Other qualifications2.3%2.6%

General health

HereCarmarthenshire
Very good health49.8%45.1%
Good health31.2%31.7%
Fair health12.9%15.7%
Bad health4.1%5.6%
Very bad health2%1.9%

Cars or vans per household

HereCarmarthenshire
1 car or van in household38.5%41.3%
2 cars or vans in household37.3%30.2%
3 or more cars or vans in household16.5%13.1%
No cars or vans in household7.7%15.4%

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 Bonllwyn

Checking conservation areas, listed buildings and other designations…

Noise, radon and ground hazards

Checking…

Planning applications near Bonllwyn

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

Checking recent planning applications…

Thinking of selling on Bonllwyn?

Get a free valuation

Local estate agents will value your home for free, with no obligation.

What's my home worth?

Get an instant estimate from what you paid and how prices in Carmarthenshire have moved since.

Estimate my home's value

Council tax here

Carmarthenshire Band D is £2,351 a year (Band A £1,567). See every band.

What's it like living on Bonllwyn?

No reviews yet. Live here, or used to? Be the first to say what it's like.

Write a review of Bonllwyn

Reviews are checked before they appear. Please don't name individuals or include personal details.

Nearby streets in SA18

See all streets in Ammanford All streets in SA18