15 Heol Myrddin, Ffairfach, Llandeilo, SA19 6PD
About 15 Heol Myrddin
15 Heol Myrddin is a semi-detached house in Ffairfach, Llandeilo, Llandeilo (SA19 6PD). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (July 2015) shows an E (score 43), well below the UK norm with real room to improve. The recommended improvements would lift it to A (score 104), a 4-band jump. The latest certificate is from July 2015, so improvements made since then won't be reflected.
One planning record on file: an extension approved in 2017. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). 11 years since the last transfer (November 2015). Today's modelled estimate of £168,000 is 37.7% above the 2015 sale price.
Know exactly what you're buying at 15 Heol Myrddin
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
Energy performance
15 Heol Myrddin's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 Jul 2025
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Jan 2017DemolitionFullIn report
Extension: Two storey · Side of property
DEMOLITION OF A SINGLE STOREY UTILITY ROOM AND THE CONSTRUCTION OF A TWO STOREY SIDE EXTENSION
Extension- Documents
- 4 docs on file
- Reference
- E/34719
We flagged 1 thing worth checking at 15 Heol Myrddin
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
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Sales history & valuation
15 Heol Myrddin valuation sits well clear of the typical sold price in this postcode.
£168,000
Modelled from EPC, postcode comparables.
£122,000
Recorded with HM Land Registry.
Sales timeline
5 November 2015Most recent
£122,000
Median price across the last 5 sales in SA19 6PD: £183,599 (2024–2022).
Nearby sales in SA19 6PD
45 Heol Myrddin, Ffairfach, Llandeilo, SA19 6PD
Sold Nov 2024
£138,50019 Heol Myrddin, Ffairfach, Llandeilo, SA19 6PD
Sold Sept 2024
£110,0006 Heol Myrddin, Ffairfach, Llandeilo, SA19 6PD
Sold Mar 2024
£258,00011 Heol Myrddin, Ffairfach, Llandeilo, SA19 6PD
Sold Mar 2024
£185,00049 Heol Myrddin, Ffairfach, Llandeilo, SA19 6PD
Sold Aug 2022
£183,599
Everything we know about 15 Heol Myrddin, 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 Heol Myrddin homes
CO₂ Emissions for 15 Heol Myrddin lags the street by a wide margin.
Price per m²
£1,298
Street avg £1,573
Floor Area
94 m²
Street avg 99 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
7.6 t/year
Street avg 5.6 t/year
Similar properties nearby
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
0.0 km
Heol Myrddin Estate — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.