Property data
Sale history
£195,000 on Mar 2000
Floor plan
Floorplan 23
View floorplan
Internal area
195 square metres (2,099 square feet) according to latest EPC inspection
£ per square meter (foot)
£1,000 per sqm (£93 per sqft) in Mar 2000. For context, homes in Welwyn are now selling for between £4,990 and £6,420 per square metre (£463 and £596 per square foot) . See the analysis of Welwyn AL6-0 housing market.
Valuation comparables
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Bedrooms
4
Type
Detached
Council tax band
F
Plot size
519 square metres (5,586 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 23 Mardley Avenue. Advertised on multiple portals. It was added on 12/04/2014. It last appeared Jul 2014.
Photos:

There are 6 historic photos of 23 Mardley Avenue.

Photos for 23 Mardley Avenue
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Advertiser remarks:
  • 4 bedrooms
Planning applications
Planning ref:
April 2014 N6/2014/0285/FP
Type:
Full and householder planning application
Status:
Status not known
Address:
23 Mardley Avenue Welwy
Description:
Erection of chalet style dwelling with integral garage following the demolition of existing chalet bungalow
EPC Inspections
Summary:
12 August 2025 - energy performance certificate grade C
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Detached House , has 6 habitable rooms. Estimated year built 1950 to 1966
Area:
195 sqm (2,099 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, mains gas.

Summary:
29 April 2014 - energy performance certificate grade D
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Detached Bungalow , has 5 habitable rooms. Estimated year built 1950 to 1966
Area:
106 sqm (1,141 square foot) total internal area
Comments:
Walls: Cavity wall, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.