21 Beach Street, Swansea, SA1 3JP
About 21 Beach Street
21 Beach Street is a mid-terrace house in Swansea (SA1 3JP). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (June 2021) shows a C (score 72). When first surveyed in September 2012 the rating was F, the property has climbed 3 bands since. Between certificates, roof efficiency went from Very Poor to Very Good, window efficiency went from Very Poor to Average and hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 83).
At 133 m² the property is well over the postcode median (89 m² across 21 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £196,000 sits 145% above the 2012 sale of £80,000. On a £-per-square-foot basis, the last sale (£56/sq ft) was about 42.4% below the postcode norm. 3 planning records sit against the property, 1 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in October 2012, so it's been off the market for around 14 years.
Everything you need to know about 21 Beach 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
Heating controls changed
Hot water system upgraded
Windows upgraded, improving insulation
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
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 £820 · Includes VAT
Planning history
21 Beach Street has 2 separate extension applications on the council record.
3 applications on record at 21 Beach Street, Swansea, SA1 3JP
- Feb 2013ExtensionFullOutcome in report
Extension: Two storey · Rear of property
Two storey rear extension and rear dormer
- Documents
- 6 docs on file
- Reference
- 2013/0059
- More recent applications — locked
- ExtensionJul 2013Decision
- ExtensionMay 2013Decision
Unlock 21 Beach Street, Swansea, SA1 3JP's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 29 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Beach Street valuation sits well clear of the typical sold price in this postcode.
£196,000
Modelled from EPC, postcode comparables.
£80,000
Recorded with HM Land Registry.
Sales timeline
24 October 2012Most recent
£80,000
Median price across the last 5 sales in SA1 3JP: £135,000 (2022–2016).
Versus other Beach Street homes
Habitable Rooms for 21 Beach Street runs comfortably ahead of the street norm.
Price per m²
£602
Street avg £1,169
Floor Area
133 m²
Street avg 96 m²
Habitable Rooms
7 rooms
Street avg 4 rooms
CO₂ Emissions
3.7 t/year
Street avg 4.4 t/year
Everything you need to know about 21 Beach 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
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Beach Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






