Property data
Sale history
Date Paid price Annual growth After inflation
Jan 2017 £365,000 4.4% 2.3%
Feb 2009 £260,000 na na
Floor plan

Archived estate agent floor plan for Gwyndy, Addison Avenue.

Floorplan Gwyndy
View floorplan
Internal area
101 square metres (1,087 square feet) according to latest EPC inspection
Price per internal area

This property sold for £3,613 per square metre (£336 per square foot) in Jan 2017. Indexed forward to today's value, this is roughly £5,365 per square metre (£498 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jan 2017 £365,000 £3,614 £541,850 £5,365
Feb 2009 £260,000 £2,574 £487,254 £4,824

Calculated using the latest EPC internal area of 101 m². Earlier sale dates may not have had the same measured area available.

Valuation
The most recent sale price indexed forward to today's value is £541,850. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Llanharan are now selling for between £2,480 and £3,340 per square metre (£230 and £310 per square foot). Based on an internal area of 101 m², this implies a valuation between £250,000 and £337,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
Bedrooms
3
Type
Detached
Council tax band
F
Plot size
1,730 square metres (18,622 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for Gwyndy Addison Avenue. Advertised on multiple portals. It was added on 10/08/2016. It last appeared Oct 2016.
Photos:

There are 15 archived estate agent listing photos for Gwyndy Addison Avenue.

Photos for Gwyndy Addison Avenue
View photos
Advertiser remarks:
  • 5 bedrooms
Planning applications
Planning ref:
March 2011 10/1202/FUL
Type:
Full and householder planning application ; this application involves a large scale development
Status:
Application approved
Address:
Gwyndy Addison Avenue Llanharry Pontyclun
Description:
Erection of Future Business Centre (sui generis) and associated works including the provision of car and cycle parking facilities, access and circulated areas and landscaping.

Planning ref:
March 2011 10/1202/10
Type:
Full and householder planning application
Status:
Application approved
Address:
GWYNDY, ADDISON AVENUE, LLANHARRY, PONTYCLUN,
Description:
Proposed single storey granny annexe (Amended plans received 14/02/11)

Planning ref:
April 2008 08/0235/13
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application refused
Address:
GWYNDY, ADDISON AVENUE, LLANHARRY, PONTYCLUN,
Description:
Replacement of existing house by 4 x houses

Planning ref:
April 2008 08/0235/OUT
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application refused
Address:
Gwyndy Addison Avenue Llanharry Pontyclun
Description:
Replacement of existing house by 4 x houses
EPC Inspections
Summary:
18 October 2008 - energy performance certificate grade E
Reason for EPC:
None
Tenure:
Owner-occupied
Property type:
None , has 5 habitable rooms. Estimated year built 1900 to 1929
Area:
101 sqm (1,087 square foot) total internal area
Comments:
Frequently asked questions

Gwyndy Addison Avenue is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.

  • HouseMetric estimates the most recent sale price indexed forward to today's value is £541,850.
  • Based on an internal area of 101 m² and recent prices in Llanharan, this implies a lower and upper quartile range from £250,000 to £337,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, Gwyndy Addison Avenue last sold for £365,000 in January 2017.

HouseMetric shows Gwyndy Addison Avenue as 101 m² (1,087 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 3 bedrooms. Bedroom numbers can come from a previous estate agency listing, an EPC record, or an estimate based on the size of the property.

The latest EPC rating shown by HouseMetric is E, from an inspection dated 18 October 2008. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, Gwyndy Addison Avenue was in council tax band F. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

Gwyndy Addison Avenue is in postcode CF72 9LP, in Llanharan. You can also view HouseMetric's sold-price page for Addison Avenue, CF72 9LP or analysis of the Llanharan property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 4 August 2026. Figures such as indexed values and local valuation ranges are calculated estimates for context, while official records can change as public datasets are updated.

For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.