26 Rhosmaen Street, Llandeilo, SA19 6LW
About 26 Rhosmaen Street
26 Rhosmaen Street is a four-bedroom semi-detached house in Llandeilo (SA19 6LW). It has a recorded floor area of 139 m² (around 1496 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (July 2019) shows a D (score 57), a step below the typical UK home. When first surveyed in January 2016 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Good to Very Good and main heating went from Average to Good; while roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 80). The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal.
At 139 m² the property is well over the postcode median (80 m² across 12 EPCs), placing it in the larger end of the local stock. Across 2016–2019, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £414,000 is 38% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£201/sq ft) was about 34.6% above the typical sold price in the postcode. Most recent transfer: December 2019 at £300,000.
Know exactly what you're buying at 26 Rhosmaen Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms1
Outside
- Private gardenrear
- Garagedouble
Building
- Heating systemgas
- Underfloor heatingYes
- RefurbishedYes
Energy performance
26 Rhosmaen Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
Planning history
26 Rhosmaen Street has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 26 Rhosmaen Street
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Latest sale on 26 Rhosmaen Street was the highest on Land Registry record across the postcode.
£414,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 4 years.
£300,000
Growth on file: 5.1% per year over 4 years.
Sales timeline
12 December 2019Most recent
£300,000
+20.2%over 3 years24 March 2016
£249,500
Median price across the last 5 sales in SA19 6LW: £132,500 (2025–2020).
Nearby sales in SA19 6LW
61 Rhosmaen Street, Llandeilo, SA19 6LW
Sold Jul 2025
£80,00051 Rhosmaen Street, Llandeilo, SA19 6LW
Sold Aug 2024
£135,00057a, Rhosmaen Street, Llandeilo, SA19 6LW
Sold Apr 2021
£270,00071 Rhosmaen Street, Llandeilo, SA19 6LW
Sold Oct 2020
£132,50053 Rhosmaen Street, Llandeilo, SA19 6LW
Sold Jan 2020
£125,000
Everything we know about 26 Rhosmaen Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Rhosmaen Street homes
26 Rhosmaen Street outperforms the street on habitable rooms by a wide margin.
Price per m²
£2,158
Street avg £1,404
Floor Area
139 m²
Street avg 102 m²
Habitable Rooms
8 rooms
Street avg 4 rooms
CO₂ Emissions
6.8 t/year
Street avg 5.3 t/year
Similar properties nearby
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1 Carmarthen Street
SA19 6AE
1 Clarendon Road
SA19 6LF
1 Heol Myrddin, Ffairfach
SA19 6PD
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Ysgol Ganradd Llandeilo — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.