15 Grandison Street, Swansea, SA1 2HQ
About 15 Grandison Street
15 Grandison Street is a two-bedroom mid-terrace house in Swansea (SA1 2HQ). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (March 2020) shows a C (score 70). When first surveyed in October 2008 the rating was G, the property has climbed 4 bands since. Between certificates, roof efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 88).
Most recent transfer was September 2025 at £130,000 — fresh data. Across 2008–2025, sale prices on this property compounded at 6% per year. On a £-per-square-foot basis, the last sale (£163/sq ft) was about 113.2% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Everything you need to know about 15 Grandison Street
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
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water efficiency improved
Loft insulation installed or upgraded to 250mm+
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
15 Grandison Street has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2008.
£134,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 17 years.
£130,000
Growth on file: 6.0% per year over 17 years.
Sales timeline
25 September 2025Most recent
£130,000
+165.3%over 16 years3 December 2008
£49,000
Median price across the last 5 sales in SA1 2HQ: £87,500 (2022–2020).
Nearby sales in SA1 2HQ
Versus other Grandison Street homes
Price per m² for 15 Grandison Street runs comfortably ahead of the street norm.
Price per m²
£1,757
Street avg £1,116
Floor Area
74 m²
Street avg 88 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.5 t/year
Street avg 4.0 t/year
Everything you need to know about 15 Grandison Street
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
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Hafod Inn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






