20, Thellusson Way, WD3 8RR

20 Thellusson Way is a 130 m² / 1,399 sq ft semi-detached home in Rickmansworth. It sold for £672,000 in October 2020. Indexed forward to today's value, that sale is roughly £761k. Recent local prices imply a broad valuation context of £667k to £841k based on its internal area. The Land Registry and EPC data was last updated 4 August 2026.

Property data
Sale history
Date Paid price Annual growth After inflation
Oct 2020 £672,000 4.8% 2.7%
Jul 2006 £342,000 8.3% 6.3%
Jan 2001 £220,000 15.1% 13.5%
Jul 1997 New build New £134,995 na na
Internal area
130 square metres (1,399 square feet) according to latest EPC inspection
Price per internal area

This property sold for £5,169 per square metre (£480 per square foot) in Oct 2020. Indexed forward to today's value, this is roughly £5,854 per square metre (£544 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Oct 2020 £672,000 £5,169 £761,073 £5,854
Jul 2006 £342,000 £2,631 £742,608 £5,712
Jan 2001 £220,000 £1,692 £752,521 £5,789
Jul 1997 £134,995 £1,038 £619,539 £4,766

Calculated using the latest EPC internal area of 130 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 £761,073. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Rickmansworth are now selling for between £5,130 and £6,470 per square metre (£476 and £601 per square foot). Based on an internal area of 130 m², this implies a valuation between £667,000 and £841,000. 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
Semi-detached
Council tax band
F
Plot size
282 square metres (3,035 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
December 2015 15/2341/CLPD
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application approved
Address:
20 Thellusson Way Mill End Hertfordshir
Description:
Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer and front rooflights
Planning ref:
April 2015 15/0304/CLPD
Type:
Outline application - proposal prior to a full application, including assessments and scoping opinions.
Status:
Application approved
Address:
20 Thellusson Way Mill End Hertfordshir
Description:
Certificate of Lawfulness Proposed Development: Single storey rear extension
EPC Inspections
Summary:
22 March 2018 - energy performance certificate grade C
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Owner-occupied
Property type:
Detached House , has 7 habitable rooms. Estimated year built 1996 to 2002
Area:
130 sqm (1,399 square foot) total internal area
Comments:
Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, mains gas.
Summary:
12 January 2011 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Marketed sale
Tenure:
Unknown
Property type:
Detached House , has 5 habitable rooms. Estimated year built 1996 to 2002
Area:
89 sqm (958 square foot) total internal area
Comments:
Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

20 Thellusson Way 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 £761,073.
  • Based on an internal area of 130 m² and recent prices in Rickmansworth, this implies a lower and upper quartile range from £667,000 to £841,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 20 Thellusson Way last sold for £672,000 in October 2020.

HouseMetric shows 20 Thellusson Way as 130 m² (1,399 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 C, from an inspection dated 22 March 2018. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 20 Thellusson Way was in council tax band F. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

20 Thellusson Way is in postcode WD3 8RR, in Rickmansworth. You can also view HouseMetric's sold-price page for Thellusson Way, WD3 8RR or analysis of the Rickmansworth 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.