Property data
Sale history
£450,000 on Sep 2015 New build New
Internal area
90 square metres (969 square feet) according to latest EPC inspection
Price per internal area

This property sold for £5,000 per square metre (£465 per square foot) in Sep 2015. Indexed forward to today's value, this is roughly £5,584 per square metre (£519 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Sep 2015 £450,000 £5,000 £502,593 £5,584

Calculated using the latest EPC internal area of 90 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 £502,593. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in High Barnet are now selling for between £5,770 and £6,950 per square metre (£536 and £645 per square foot). Based on an internal area of 90 m², this implies a valuation between £519,000 and £626,000. 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
na
Type
Terrace
Council tax band
na
Planning applications
Planning ref:
July 2018 18/3051/HSE
Type:
Full and householder planning application
Status:
Application approved with conditions
Address:
25 Sphinx Way Barne
Description:
Extension to roof including 1no rear dormer with juliet balcony, 2no rooflights to rear elevation and 2no rooflights to front elevation. Re-arrangement of existing solar panels to rear elevation and installation of additional solar panels to side elevation

Planning ref:
February 2018 17/7683/HSE
Type:
Full and householder planning application
Status:
Application refused
Address:
25 Sphinx Way Barne
Description:
Roof extension involving 1. no. rear velux window with caribo balcony, 1.no. rear velux window, re-arrangement of existing solar panels on rear roofslope.

Planning ref:
May 2017 17/1787/HSE
Type:
Full and householder planning application
Status:
Application refused
Address:
25 Sphinx Way Barne
Description:
roof extension involving rear dormer window with juliette balcony, 2no. rooflights to front elevation to facilitate a loft conversion
EPC Inspections
Summary:
27 September 2025 - energy performance certificate grade A
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Private rental
Property type:
Mid-Terrace House , has 4 habitable rooms. Estimated year built 2012 to 2021
Area:
123 sqm (1,324 square foot) total internal area
Comments:
Walls: Cavity wall, as built, insulated (assumed). Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, mains gas.

Summary:
03 September 2015 - energy performance certificate grade B
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
New dwelling
Tenure:
Owner-occupied
Property type:
Mid-Terrace House Estimated year built None to None
Area:
90 sqm (969 square foot) total internal area
Comments:
Heating: Boiler and radiators, mains gas.
Frequently asked questions

25 Sphinx 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 £502,593.
  • Based on an internal area of 90 m² and recent prices in High Barnet, this implies a lower and upper quartile range from £519,000 to £626,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 25 Sphinx Way last sold for £450,000 in September 2015. The transaction was recorded as a new-build sale.

HouseMetric shows 25 Sphinx Way as 90 m² (969 sq ft), based on the latest internal area data available for this property.

The latest EPC rating shown by HouseMetric is A, from an inspection dated 27 September 2025. EPC information comes from the public Energy Performance Certificate data for England and Wales.

25 Sphinx Way is in postcode EN5 2FG, in High Barnet. You can also view HouseMetric's sold-price page for Sphinx Way, EN5 2FG or analysis of the High Barnet 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.