What type of property is 20 Bonllwyn, SA18 2EF?

20 Bonllwyn, SA18 2EF is a 3-bedroom semi-detached house.

When did 20 Bonllwyn, SA18 2EF last change hands?

20 Bonllwyn, SA18 2EF last sold for £168,000 in August 2021, around 5 years ago. Land Registry has 3 sales on record going back to £65,500 in June 2015. Source: HM Land Registry.

What is the price history for 20 Bonllwyn, SA18 2EF?

Across 3 sales between June 2015 and August 2021, 20 Bonllwyn, SA18 2EF rose from £65,500 to £168,000, a change of £102,500. That works out to roughly +16.3% per year compounded over 6 years. Source: HM Land Registry.

What is the EPC rating for 20 Bonllwyn, SA18 2EF?

The current EPC rating for 20 Bonllwyn, SA18 2EF is C with a score of 72 out of 100, lodged in September 2016. It has improved from a F recorded in April 2014 (3 bands). The assessor estimates the property could reach a B. Source: EPC Register.

What is the floor area of 20 Bonllwyn, SA18 2EF?

20 Bonllwyn, SA18 2EF has a recorded floor area of 86 m² (926 sq ft), around 29 m² per bedroom. That makes it about 13% smaller than the median EPC-recorded property in SA18 2EF. Source: EPC Register.

How is 20 Bonllwyn, SA18 2EF heated?

The latest EPC at 20 Bonllwyn, SA18 2EF records mains gas as the main heating fuel. Source: EPC Register.

What council tax band is 20 Bonllwyn, SA18 2EF?

20 Bonllwyn, SA18 2EF is in council tax band B. That sits at the lower end of the A-H ladder, typically reflecting smaller floor areas or lower 1991 valuations.

Where is 20 Bonllwyn, SA18 2EF located?

20 Bonllwyn, SA18 2EF sits in Ammanford. It falls within the SA18 postcode district.

Is 20 Bonllwyn, SA18 2EF in a safe area?

Police records around 20 Bonllwyn, SA18 2EF show an average of 5 reported crimes per month over the last 6 months. Violent crime makes up roughly 47% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

What is the nearest station to 20 Bonllwyn, SA18 2EF?

The closest bus stop to 20 Bonllwyn, SA18 2EF is Blaenau, 27m away. The nearest rail option is Ammanford Rail Station, 840m away.

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20 Bonllwyn, Ammanford, SA18 2EF

3 sales on record

Property type

Semi-detached

Bedrooms

Bathroom

Floor area

86 m²

926 sq ft

Energy rating

Score 72

Council tax

Band B

Tenure

Owner Occupied

Overview

About 20 Bonllwyn

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

20 Bonllwyn is a three-bedroom semi-detached house in Ammanford (SA18 2EF). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (September 2016) shows a C (score 72). When first surveyed in April 2014 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Good; while lighting dropped from Average to Very Poor. The recommended improvements would push it to B (score 86).

On energy efficiency it sits in the top 10% of properties in this postcode. Across 2015–2021, sale prices on this property compounded at 16.3% per year. Today's modelled estimate of £202,000 is 20.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£181/sq ft) was about 100.5% above the typical sold price in the postcode. Last sale on file: £168,000 in August 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

Bedrooms3
Bathrooms1
Dining roomYes

Outside

Private gardenrear
Parkingoff_road

Building

Heating systemgas
RefurbishedYes

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

20 Bonllwyn ranks among the most efficient homes in the postcode for energy use.

Current Certificate(1 of 2)

Sept 2016

EPC Rating

C72

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Good

CO2 Emissions

2.7 t/year

Occupancy

Owner Occupied

Property Improvements

Changes detected from historical EPC data

Sept 2016from Apr 2014

EPC improved fromF31toC72

Heating Controls

Prog + StatFull

Heating controls upgraded for better temperature management

Hot Water

Main (No Stat)Main System

Hot water system upgraded

Windows

Mostly DoubleFull Double

Windows upgraded, improving insulation

Walls

Very PoorGood

Wall insulation improved

Floor Insulation

UninsulatedInsulated

Floor insulation added or improved

Low Energy Lighting

30%0%

Low energy lighting percentage decreased

Planning

Planning history

Applications and permits filed against 20 Bonllwyn, Ammanford, SA18 2EF, sourced from the PlanIt planning register.

20 Bonllwyn has no planning applications on record.

Notable planning nearby

3applications of note in the surrounding area

Before you offer

We flagged 1 thing worth checking at 20 Bonllwyn

Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.

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Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

20 Bonllwyn has more than doubled in price since the earliest registered sale in 2015.

Current estimate

£202,000

Modelled from EPC, postcode comparables and a sale-price growth of 16.3% per year over 6 years.

See how we calculated this

Last sold (2021)

£168,000

Growth on file: 16.3% per year over 6 years.

Sales timeline

31 August 2021Most recent
£168,000
+34.4%over 4 years
9 April 2017
£125,000
+90.8%over 1 year
4 June 2015
£65,500

Median price across the last 5 sales in SA18 2EF: £138,000 (2025–2023).

Nearby sales in SA18 2EF

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Everything we know about 20 Bonllwyn, in one report

What it's really worth, what could be wrong, and the planning, sales and area data in full.

What we flagged

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On the street

Versus other Bonllwyn homes

Four headline reads against 31 similar houses on this street, drawn from the latest EPC and Land Registry data.

EPC Rating for 20 Bonllwyn runs comfortably ahead of the street norm.

Price per m²

£1,953

Street avg £1,192

Strongly above

Floor Area

86 m²

Street avg 109 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 5 rooms

On par

CO₂ Emissions

2.7 t/year

Street avg 5.6 t/year

Strongly above

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£189k

1 Church Street

SA18 2NR

3 bed1 bath

£391k

1 Brynmawr Lane

SA18 2BY

3 bed2 bath

£221k

1 Colonel Road, Betws

SA18 2HB

4 bed2 bath

£440k

1 Carreg Y Dwfn, Llandyfan

SA18 2UB

3 bed2 bath

£240k

1 Bryn Derwen Road

SA18 2DL

4 bed1 bath

£213k

1 Bankyfelin, Llandybie

SA18 2TE

£190k

1 Caeffynnon Road, Llandybie

SA18 2TH

£190k

1 Clos Yr Afon

SA18 2GF

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Ammanford district page.

Full Ammanford report

Rail-style transport is unusually close for this postcode.

Crime

5/mo

Steady year-on-year across the wider district.

Nearest stop

0.0 km

Blaenau — bus stop.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Map

Everything within walking distance

Schools, transport stops and scenic spots near this property — 30 points of interest in total.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 20 Bonllwyn, Ammanford, SA18 2EF. Each answer is also embedded as structured data for search engines.