Property data
Sale history
£818,000 on Dec 2018
Floor plan

Archived estate agent floor plan for 12, Sun Lane.

Floorplan 12
View floorplan
Internal area
101 square metres (1,087 square feet) according to latest EPC inspection
Price per internal area

This property sold for £8,099 per square metre (£752 per square foot) in Dec 2018. Indexed forward to today's value, this is roughly £9,589 per square metre (£891 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Dec 2018 £818,000 £8,099 £968,451 £9,589

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 £968,451. 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 £5,770 and £8,240 per square metre (£536 and £765 per square foot). Based on an internal area of 101 m², this implies a valuation between £583,000 and £832,000. 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
354 square metres (3,810 square feet) - map showing freehold boundary lines
Archived listings
History:
Archived sales listing for 12 Sun Lane. Advertised on multiple portals. It was reduced on 10/05/2018. It last appeared Jan 2019.
Photos:

There are 11 archived estate agent listing photos for 12 Sun Lane.

Photos for 12 Sun Lane
View photos
Advertiser remarks:
  • 3 bedrooms
  • 1 bathrooms
Planning applications
Planning ref:
March 2021 5/2020/3102
Type:
Full and householder planning application
Status:
Application approved with conditions
Address:
12 Sun Lane Harpenden Hertfordshir
Description:
Alterations and single storey side extension

Planning ref:
March 2020 TP/2020/0024
Type:
Tree and hedge works
Status:
Application approved
Address:
12 Sun Lane Harpende
Description:
T1 Field Maple T2 Holly Both rear garden trees are inappropriate for the small garden that they are situated in. Remove both trees.
EPC Inspections
Summary:
21 March 2018 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
None of the above
Tenure:
Unknown
Property type:
Semi-Detached House , has 6 habitable rooms. Estimated year built 1900 to 1929
Area:
101 sqm (1,087 square foot) total internal area
Comments:
Walls: Cavity wall, filled cavity. Roof: Pitched, 100 mm loft insulation. Heating: Room heaters, mains gas, Electric storage heaters.
Frequently asked questions

12 Sun Lane 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 £968,451.
  • Based on an internal area of 101 m² and recent prices in Harpenden, this implies a lower and upper quartile range from £583,000 to £832,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 12 Sun Lane last sold for £818,000 in December 2018.

HouseMetric shows 12 Sun Lane 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 21 March 2018. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 12 Sun Lane was in council tax band F. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

12 Sun Lane is in postcode AL5 4ET, in Harpenden. You can also view HouseMetric's sold-price page for Sun Lane, AL5 4ET 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.