4, Park Mount, AL5 3AR
4 Park Mount is a 154 m² / 1,658 sq ft detached home in Harpenden. It sold for £1,160,000 in September 2025. Indexed forward to today's value, that sale is roughly £1,124k. Recent local prices imply a broad valuation context of £944k to £1,272k based on its internal area. The Land Registry and EPC data was last updated 4 August 2026.
- Sale history
-
Date Paid price Annual growth After inflation Sep 2025 £1,160,000 4.0% 0.6% Nov 2015 £790,000 7.2% 4.8% May 2005 £382,500 0.3% -1.5% Mar 2003 £379,950 13.7% 12.0% Oct 1997 £189,000 40.1% 37.2% Dec 1996 £143,500 na na - Floor plan
-
Archived estate agent floor plan for 4, Park Mount.
- Internal area
- 154 square metres (1,658 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £7,532 per square metre (£700 per square foot) in Sep 2025. Indexed forward to today's value, this is roughly £7,300 per square metre (£678 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Sep 2025 £1,160,000 £7,532 £1,124,221 £7,300 Nov 2015 £790,000 £5,130 £976,719 £6,342 May 2005 £382,500 £2,484 £931,494 £6,049 Mar 2003 £379,950 £2,467 £1,012,111 £6,572 Oct 1997 £189,000 £1,227 £1,008,141 £6,546 Dec 1996 £143,500 £932 £966,556 £6,276 Calculated using the latest EPC internal area of 154 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 £1,124,221. 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 £6,130 and £8,260 per square metre (£569 and £767 per square foot). Based on an internal area of 154 m², this implies a valuation between £944,000 and £1,272,000. 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
- 233 square metres (2,508 square feet) - map showing freehold boundary lines
- Planning ref:
- March 2017 5/2017/0200
- Type:
- Full and householder planning application
- Status:
- Application approved with conditions
- Address:
- 4 Park Mount Harpenden Hertfordshir
- Description:
- Loft conversion with rear dormer window, front rooflights and reconstruction of middle chimney
- Planning ref:
- October 2016 5/2016/2725
- Type:
- Outline application - proposal prior to a full application, including assessments and scoping opinions.
- Status:
- Application refused
- Address:
- 4 Park Mount Harpenden Hertfordshir
- Description:
- Certificate of Lawfulness (Proposed) - Proposed loft conversion with dormer window and removal of one chimney
- Summary:
- 27 September 2024 - 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 7 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 154 sqm (1,658 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:
- 20 February 2013 - energy performance certificate grade F
- 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 1900 to 1929
- Area:
- 131 sqm (1,410 square foot) total internal area
- Comments:
- Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 150 mm loft insulation. Heating: Boiler and radiators, mains gas.
4 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 £1,124,221.
- Based on an internal area of 154 m² and recent prices in Harpenden, this implies a lower and upper quartile range from £944,000 to £1,272,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.