17 St Helens Crescent, Swansea, SA1 4NA
About 17 St Helens Crescent
17 St Helens Crescent is a two-bedroom mid-terrace house in Swansea (SA1 4NA). It has a recorded floor area of 169 m² (around 1819 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (January 2022) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 81), a 2-band jump.
It hasn't traded since May 2007, a hold of 19 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 169 m² the property is well over the postcode median (70 m² across 20 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £201,000 sits 50% above the 2007 sale of £134,000. On a £-per-square-foot basis, the last sale (£74/sq ft) was about 46.4% below the postcode norm. One planning record on file: an extension approved in 2007. Past consents include an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms2
Energy performance
17 St Helens Crescent's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
1 application on record at 17 St Helens Crescent, Swansea, SA1 4NA
- Aug 2007ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Front and rear dormer and rebuilding of single storey rear extension
- Reference
- 2007/1301
Unlock 17 St Helens Crescent, Swansea, SA1 4NA's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 44 notable nearby
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£201,000
Modelled from EPC, postcode comparables.
£134,000
Recorded with HM Land Registry.
Sales timeline
15 May 2007Most recent
£134,000
Median price across the last 5 sales in SA1 4NA: £175,000 (2022–2020).
Nearby sales in SA1 4NA
9 St Helens Crescent, Swansea, SA1 4NA
Sold Aug 2022
£234,00013 St Helens Crescent, Swansea, SA1 4NA
Sold Jul 2021
£175,00010 St Helens Crescent, Swansea, SA1 4NA
Sold Jul 2021
£170,00020 St Helens Crescent, Swansea, SA1 4NA
Sold Sept 2020
£130,00012 St Helens Crescent, Swansea, SA1 4NA
Sold Jan 2020
£200,000
Versus other St Helens Crescent homes
Price per m² for 17 St Helens Crescent lags the street by a wide margin.
Price per m²
£793
Street avg £1,598
Floor Area
169 m²
Street avg 112 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
7.1 t/year
Street avg 5.8 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
St Helens Crescent — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







