Property data
Sale history
Date Paid price Annual growth After inflation
Dec 2025 £717,230 -1.3% -5.4%
Jul 2022 £750,000 5.2% 2.1%
May 2017 £575,000 6.3% 4.7%
Aug 2012 £430,000 4.6% 1.6%
May 2010 £389,000 na na
Floor plan

Archived estate agent floor plan for 3, Park Mount.

Floorplan 3
View floorplan
Internal area
101 square metres (1,087 square feet) according to latest EPC inspection
Price per internal area

This property sold for £7,101 per square metre (£660 per square foot) in Dec 2025. Indexed forward to today's value, this is roughly £7,148 per square metre (£664 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Dec 2025 £717,230 £7,101 £721,966 £7,148
Jul 2022 £750,000 £7,426 £754,189 £7,467
May 2017 £575,000 £5,693 £665,723 £6,591
Aug 2012 £430,000 £4,257 £700,073 £6,931
May 2010 £389,000 £3,851 £656,357 £6,499

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 £721,966. 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 £6,080 and £8,100 per square metre (£564 and £752 per square foot). Based on an internal area of 101 m², this implies a valuation between £614,000 and £818,000. 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
Terrace
Council tax band
D
Plot size
135 square metres (1,453 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 3 Park Mount. Advertised on multiple portals. It was added on 07/01/2017. It last appeared Jun 2017.
Photos:

There are 11 archived estate agent listing photos for 3 Park Mount.

Photos for 3 Park Mount
View photos
Advertiser remarks:
  • 3 bedrooms
Planning applications
Planning ref:
April 2018 5/2018/0592
Type:
Full and householder planning application
Status:
Application approved with conditions
Address:
3 Park Mount Harpenden Hertfordshir
Description:
Rear dormer extension with front rooflights and addittion of rooflights to existing rear extension and insertion of bi-folding doors
EPC Inspections
Summary:
25 June 2025 - energy performance certificate grade D
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Mid-Terrace House , has 5 habitable rooms. Estimated year built before 1900
Area:
101 sqm (1,087 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, mains gas.

Summary:
05 April 2012 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Unknown
Property type:
Mid-Terrace House , has 4 habitable rooms. Estimated year built 1900 to 1929
Area:
82 sqm (883 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation (assumed). Heating: Boiler and radiators, mains gas.

Summary:
14 August 2009 - energy performance certificate grade F
Reason for EPC:
None
Tenure:
Owner-occupied
Property type:
None , has 6 habitable rooms. Estimated year built 1900 to 1929
Area:
85 sqm (915 square foot) total internal area
Comments:
Frequently asked questions

3 Park Mount 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 £721,966.
  • Based on an internal area of 101 m² and recent prices in Harpenden, this implies a lower and upper quartile range from £614,000 to £818,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 3 Park Mount last sold for £717,230 in December 2025.

HouseMetric shows 3 Park Mount 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 D, from an inspection dated 25 June 2025. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 3 Park Mount was in council tax band D. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

3 Park Mount is in postcode AL5 3AS, in Harpenden. You can also view HouseMetric's sold-price page for Park Mount, AL5 3AS 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.