Property data
Sale history
Date Paid price Annual growth After inflation
Dec 2024 £253,500 0.2% -3.0%
Sep 2015 £250,000 12.3% 10.1%
Jun 2010 £135,000 na na
Floor plan

Archived estate agent floor plan for 34a, Union Street.

Floorplan 34a
View floorplan
Internal area
39 square metres (420 square feet) according to latest EPC inspection
Price per internal area

This property sold for £6,500 per square metre (£604 per square foot) in Dec 2024. Indexed forward to today's value, this is roughly £6,116 per square metre (£568 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Dec 2024 £253,500 £6,500 £238,513 £6,116
Sep 2015 £250,000 £6,410 £287,815 £7,380
Jun 2010 £135,000 £3,462 £240,136 £6,157

Calculated using the latest EPC internal area of 39 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 £238,513. 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 £5,840 and £7,490 per square metre (£542 and £695 per square foot). Based on an internal area of 39 m², this implies a valuation between £228,000 and £292,000. 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
1
Type
Flat
Council tax band
B
Archived listings
History:
Archived sales listing for 34a Union Street. Advertised on multiple portals. It was reduced on 25/07/2024. It last appeared Sep 2024.
Photos:

There are 10 archived estate agent listing photos for 34a Union Street.

Photos for 34a Union Street
View photos
Advertiser remarks:
  • 1 bedrooms
  • 1 bathrooms
Planning applications
Planning ref:
January 2011 B/04255/10
Type:
Full and householder planning application
Status:
Application refused
Address:
34A Union Street, Barnet, Herts
Description:
Re-painting front and rear elevations.

Planning ref:
August 2010 B/02327/10
Type:
Full and householder planning application
Status:
Application approved with conditions
Address:
34A Union Street, Barnet, Herts
Description:
Replacement of 3no. existing windows with timber framed double glazed windows, new double glazing within existing rear door and insertion of new timber framed obscure glazed window in the flank elevation facing No.32 Union Street.
EPC Inspections
Summary:
22 March 2019 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
Rental
Tenure:
Private rental
Property type:
3rd floor flat on the top floor in an apartment block with 1 storeys , has 2 habitable rooms. Estimated year built before 1900
Area:
39 sqm (420 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, no insulation. Heating: Boiler and radiators, mains gas.

Summary:
12 November 2008 - energy performance certificate grade D
Reason for EPC:
None
Tenure:
Owner-occupied
Property type:
None , has 2 habitable rooms. Estimated year built before 1900
Area:
36 sqm (388 square foot) total internal area
Comments:
Frequently asked questions

34a Union Street 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 £238,513.
  • Based on an internal area of 39 m² and recent prices in High Barnet, this implies a lower and upper quartile range from £228,000 to £292,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 34a Union Street last sold for £253,500 in December 2024.

HouseMetric shows 34a Union Street as 39 m² (420 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 1 bedroom. 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 22 March 2019. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 34a Union Street was in council tax band B. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

34a Union Street is in postcode EN5 4HZ, in High Barnet. You can also view HouseMetric's sold-price page for Union Street, EN5 4HZ 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 4 August 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.