1 Tanymarian Road, Mayhill, Swansea, SA1 6SW
About 1 Tanymarian Road
1 Tanymarian Road is a two-bedroom semi-detached house in Mayhill, Swansea, Swansea (SA1 6SW). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (September 2021) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in June 2014 the rating was G, the property has climbed 3 bands since. Between certificates, hot-water efficiency went from Very Poor to Good, lighting went from Poor to Very Good and main heating went from Very Poor to Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 2-band jump.
Across 1999–2014, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £127,000 sits 217.5% above the 2014 sale of £40,000. On a £-per-square-foot basis, the last sale (£47/sq ft) was about 62.4% below the postcode norm. Last sold in July 2014, so it's been off the market for around 12 years.
What this property has
Inside
- Bedrooms2
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 6 September 2031
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Hot water system upgraded
Windows upgraded, improving insulation
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1 Tanymarian Road has no planning applications on record.
But the area is active
61 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
1 Tanymarian Road has more than doubled in price since the earliest registered sale in 1999.
£127,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 15 years.
£40,000
Growth on file: 6.5% per year over 15 years.
Sales timeline
21 July 2014Most recent
£40,000
+158.1%over 15 years29 June 1999
£15,500
Median price across the last 5 sales in SA1 6SW: £97,999 (2024–2018).
Nearby sales in SA1 6SW
6 Tanymarian Road, Mayhill, Swansea, SA1 6SW
Sold Mar 2024
£93,00022 Tanymarian Road, Mayhill, Swansea, SA1 6SW
Sold Sept 2023
£125,00026 Tanymarian Road, Mayhill, Swansea, SA1 6SW
Sold Feb 2022
£104,00035 Tanymarian Road, Mayhill, Swansea, SA1 6SW
Sold Jun 2019
£70,00025 Tanymarian Road, Mayhill, Swansea, SA1 6SW
Sold Jun 2018
£97,999
Versus other Tanymarian Road homes
Price per m² for 1 Tanymarian Road lags the street by a wide margin.
Price per m²
£506
Street avg £1,372
Floor Area
79 m²
Street avg 75 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.0 t/year
Street avg 3.3 t/year
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The neighbourhood at a glance
Crime
580/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Islwyn Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







