Property data
Sale history
Date Paid price Annual growth After inflation
Sep 2021 £855,111 3.7% 1.8%
Jul 2019 £790,000 7.6% 5.5%
Sep 1995 £136,000 na na
Floor plan

Archived estate agent floor plan for 121, Overstone Road.

Floorplan 121
View floorplan
Internal area
93 square metres (1,001 square feet) according to latest EPC inspection
Price per internal area

This property sold for £9,194 per square metre (£854 per square foot) in Sep 2021. Indexed forward to today's value, this is roughly £9,253 per square metre (£860 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Sep 2021 £855,111 £9,195 £860,530 £9,253
Jul 2019 £790,000 £8,495 £886,091 £9,528
Sep 1995 £136,000 £1,462 £850,838 £9,149

Calculated using the latest EPC internal area of 93 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 £860,530. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Harpenden are now selling for between £5,670 and £7,850 per square metre (£526 and £729 per square foot). Based on an internal area of 93 m², this implies a valuation between £527,000 and £730,000. 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
4
Type
Detached
Council tax band
F
Plot size
386 square metres (4,155 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 121 Overstone Road. Advertised on multiple portals. It was added on 14/07/2021. It last appeared Oct 2021.
Photos:

There are 10 archived estate agent listing photos for 121 Overstone Road.

Photos for 121 Overstone Road
View photos
Advertiser remarks:
  • 3 bedrooms
  • 1 bathrooms
Planning applications
Planning ref:
December 2023 5/2023/2524
Type:
Full and householder planning application
Status:
Decision has yet to be made
Address:
121 Overstone Road Harpenden Hertfordshir
Description:
Part single, part two storey side and rear extension following garage conversion to habitable accommodation and loft conversion to habitable accommodation with rear rooflights (resubmission following approval of 5/2023/0826 dated 28/07/2023)

Planning ref:
April 2023 5/2023/0826
Type:
Full and householder planning application
Status:
Decision has yet to be made
Address:
121 Overstone Road Harpenden Hertfordshir
Description:
Part single, part two storey side and rear extension following garage conversion to habitable accommodation, loft conversion to habitable accommodation with front rooflights and rear dormer window

Planning ref:
January 2023 5/2022/2119
Type:
Full and householder planning application
Status:
Application refused
Address:
121 Overstone Road Harpenden Hertfordshir
Description:
Part single, part two storey side and rear extension, alterations to roof to facilitate loft conversion into habitable accommodation with rear dormer window and front rooflight, garage conversion and alterations to openings (resubmission following refusal

Planning ref:
August 2022 5/2022/1224
Type:
Full and householder planning application
Status:
Application refused
Address:
121 Overstone Road Harpenden Hertfordshir
Description:
Part single, part two storey side and rear extension, alterations to roof to facilitate loft conversion into habitable accommodation with rear dormer window and front rooflight, garage conversion and alterations to openings

Planning ref:
August 2021 5/2021/0269
Type:
Full and householder planning application
Status:
Application approved with conditions
Address:
121 Overstone Road Harpenden Hertfordshir
Description:
Erection of part single, part two storey rear extension and part single, part first floor side extension, with conversion of existing loft and installation of four side roof lights
EPC Inspections
Summary:
24 March 2019 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Detached House , has 4 habitable rooms. Estimated year built 1930 to 1949
Area:
93 sqm (1,001 square foot) total internal area
Comments:
Walls: Cavity wall, filled cavity. Roof: Pitched, 200 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

121 Overstone Road 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 £860,530.
  • Based on an internal area of 93 m² and recent prices in Harpenden, this implies a lower and upper quartile range from £527,000 to £730,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 121 Overstone Road last sold for £855,111 in September 2021.

HouseMetric shows 121 Overstone Road as 93 m² (1,001 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 4 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 D, from an inspection dated 24 March 2019. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 121 Overstone Road was in council tax band F. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

121 Overstone Road is in postcode AL5 5PL, in Harpenden. You can also view HouseMetric's sold-price page for Overstone Road, AL5 5PL or analysis of the Harpenden property market.

HouseMetric combines HM Land Registry price paid data, Energy Performance Certificate data and Ordnance Survey/open data. The data were last updated 1 June 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.