Property data
Sale history
Price Date Annual growth After inflation
£765,000 Oct 2025 5.2% 2.3%
£370,000 Jul 2011 na na
Floor plan
Floorplan 20
View floorplan
Internal area
210 square metres (2,260 square feet) according to latest EPC inspection
£ per square meter (foot)
£3,642 per sqm (£338 per sqft) in Oct 2025. For context, homes in Mumbles are now selling for between £3,300 and £4,420 per square metre (£306 and £410 per square foot) . See the analysis of Mumbles SA3-4 housing market.
Valuation comparables
Infer the current value by seeing what similar properties have sold for recently. To view this list for 20, Caswell Avenue using the valuation comparables search tool, join now.
Bedrooms
4
Type
Detached
Council tax band
G
Plot size
418 square metres (4,499 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 20 Caswell Avenue. Advertised on multiple portals. It was reduced on 11/02/2021. It last appeared Jul 2021.
Photos:

There are 52 historic photos of 20 Caswell Avenue.

Photos for 20 Caswell Avenue
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Advertiser remarks:
  • 5 bedrooms
  • 3 bathrooms
EPC Inspections
Summary:
25 September 2020 - energy performance certificate grade D
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Detached House , has 7 habitable rooms. Estimated year built 1967 to 1975
Area:
210 sqm (2,260 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, limited insulation (assumed). Heating: Boiler and radiators, mains gas.