4 Gelli Grafog, Port Tennant, Swansea, SA1 8NZ
About 4 Gelli Grafog
4 Gelli Grafog is a semi-detached house in Port Tennant, Swansea, Swansea (SA1 8NZ). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 2007 onwards and council tax band D. The latest certificate (April 2019) shows a C (score 78), near the top of the C band. Earlier certificates rated it B (February 2010); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while window efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 88).
At 105 m² it's 22.3% larger than the typical home in the postcode (86 m² median across 9 EPCs). Across 2012–2020, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £225,000 is 29.3% above the 2020 sale price. Most recent transfer: March 2020 at £174,000.
Everything you need to know about 4 Gelli Grafog
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
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Planning history
4 Gelli Grafog has no planning applications on record.
But the area is active
53 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 4 Gelli Grafog was the highest on Land Registry record across the postcode.
£225,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.3% per year over 8 years.
£174,000
Growth on file: 3.3% per year over 8 years.
Sales timeline
11 March 2020Most recent
£174,000
+27.9%over 7 years3 July 2012
£136,000
Median price across the last 5 sales in SA1 8NZ: £138,000 (2020–2015).
Nearby sales in SA1 8NZ
3 Gelli Grafog, Port Tennant, Swansea, SA1 8NZ
Sold Mar 2020
£167,0008 Gelli Grafog, Port Tennant, Swansea, SA1 8NZ
Sold May 2019
£116,0006 Gelli Grafog, Port Tennant, Swansea, SA1 8NZ
Sold Apr 2018
£158,00011 Gelli Grafog, Port Tennant, Swansea, SA1 8NZ
Sold Dec 2017
£138,0001 Gelli Grafog, Port Tennant, Swansea, SA1 8NZ
Sold May 2012
£124,000
Versus other Gelli Grafog homes
CO₂ Emissions for 4 Gelli Grafog lags the street by a wide margin.
Price per m²
£1,657
Street avg £1,585
Floor Area
105 m²
Street avg 91 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.2 t/year
Street avg 1.9 t/year
Everything you need to know about 4 Gelli Grafog
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Wern Terrace — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






