21, Sheldon Avenue, N6 4JS

21 Sheldon Avenue is a 338 m² / 3,638 sq ft detached home in Highgate. It sold for £5,000,000 in July 2014. Indexed forward to today's value, that sale is roughly £5,391k. Recent local prices imply a broad valuation context of £2,853k to £3,853k based on its internal area. The Land Registry and EPC data was last updated 1 November 2026.

Property data
Sale history
£5,000,000 on Jul 2014
Internal area
338 square metres (3,638 square feet) according to latest EPC inspection
Price per internal area

This property sold for £14,792 per square metre (£1,374 per square foot) in Jul 2014. Indexed forward to today's value, this is roughly £15,949 per square metre (£1,482 per square foot) .

Date Paid price Paid £/sqm Today's value Today's value £/sqm
Jul 2014 £5,000,000 £14,793 £5,390,806 £15,949

Calculated using the latest EPC internal area of 338 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 £5,390,806. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Highgate are now selling for between £8,440 and £11,400 per square metre (£784 and £1,059 per square foot). Based on an internal area of 338 m², this implies a valuation between £2,853,000 and £3,853,000. 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
H
Plot size
1,304 square metres (14,036 square feet) - map showing freehold boundary lines
Planning applications
Planning ref:
November 2022 HGY/2022/2253
Type:
Tree and hedge works
Status:
Application approved with conditions
Address:
21 Sheldon Avenue London
Description:
Works to trees protected by a TPO. Rear garden left hand side: T1 Willow x 1 (Salix spp) This very large Willow tree requires a crown reduction equating to 2m in height and 2 m laterally, back to previous reduction points. Lift of what remains of canopy to 3m. T3 Scots Pine x 1 (Pinus sylvestris) Remove dead wood and reduce the lowest two lateral limbs by 2m. T4 Scots Pine x 1 (Pinus sylvestris) This tree is supressed by the neighbouring Pine. The right side of the tree should be reduced to lessen the weight and achieve the correct balance and reduce the risk of snapouts. Remove deadwood from the canopy. (All other tree works will be considered under Section 211 Notice CON/2022/0356)
Planning ref:
October 2022 CON/2022/0356
Type:
Tree and hedge works
Status:
Application approved
Address:
21 Sheldon Avenue London
Description:
Works as specified on application form (except those to T1 Willow and T3 + T4 Scots Pines as these trees are protected by a TPO and the works to them will be considered under application reference HGY/2022/2253)
Planning ref:
August 2019 HGY/2019/1875
Type:
Tree and hedge works
Status:
Application approved with conditions
Address:
21, Sheldon Avenue, London,
Description:
Works to trees protected by a Group TPO: Rear Garden by shed G1 Cypress x 2. Fell to as close to ground level as possible.
Planning ref:
July 2019 CON/2019/0312
Type:
Tree and hedge works
Status:
Application approved
Address:
21, Sheldon Avenue, London,
Description:
Tree works as specified on application form except for the G2 Cypresses which are protected by a Group TPO and will be dealt with separately
Planning ref:
July 2017 HGY/2017/0495
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved
Address:
21 Sheldon Avenue Londo
Description:
Approval of details pursuant to condition 5 (materials) attached to planning permission HGY/2016/2702
Planning ref:
April 2017 HGY/2017/0573
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved
Address:
21 Sheldon Avenue Londo
Description:
Approval of details pursuant to condition 6 (arrangements to secure the implementation of the development) attached to planning permission HGY/2016/2702
Planning ref:
April 2017 HGY/2017/0439
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved
Address:
21 Sheldon Avenue Londo
Description:
Approval of Details pursuant to condition 9 (Construction Method Statement) attached to planning permission HGY/2016/2702
Planning ref:
November 2016 HGY/2016/3137
Type:
Full and householder planning application
Status:
Application approved
Address:
21 Sheldon Avenue Londo
Description:
Creation of new hard landscaped carriage way drive with associated works to new low level brick wall with piers & soft landscaping. New crossover also associated with proposed works
Planning ref:
October 2016 HGY/2016/2777
Type:
Full and householder planning application
Status:
Application approved
Address:
21 Sheldon Avenue Londo
Description:
Proposed AC condenser housing within an acoustic louvred enclosure in the garden to the far corner in an opening within the canopy.
Planning ref:
October 2016 HGY/2016/2702
Type:
Discharge of conditions imposed on an existing application
Status:
Application approved
Address:
21 Sheldon Avenue Londo
Description:
Variation of condition 2 (approved plans) attached to appeal reference APP/75420/W/15/3134595)(Original planning reference HGY/2015/1340) to show amendments to fenestration and side extension
EPC Inspections
Summary:
10 January 2019 - energy performance certificate grade B
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
new dwelling
Tenure:
Owner-occupied
Property type:
Detached House Estimated year built None to None
Area:
618 sqm (6,652 square foot) total internal area
Comments:
Heating: Boilerand underfloor, mains gas.
Summary:
23 April 2013 - energy performance certificate grade E
Certificate:
View energy certificate on GOV.UK
Reason for EPC:
marketed sale
Tenure:
Owner-occupied
Property type:
Detached House , has 10 habitable rooms. Estimated year built 1930 to 1949
Area:
338 sqm (3,638 square foot) total internal area
Comments:
Walls: Solid brick, as built, no insulation (assumed). Roof: Pitched, 250 mm loft insulation. Heating: Boiler and radiators, mains gas.
Frequently asked questions

21 Sheldon Avenue 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 £5,390,806.
  • Based on an internal area of 338 m² and recent prices in Highgate, this implies a lower and upper quartile range from £2,853,000 to £3,853,000, using HouseMetric's implied valuation methodology.

According to HM Land Registry price paid data, 21 Sheldon Avenue last sold for £5,000,000 in July 2014.

HouseMetric shows 21 Sheldon Avenue as 338 m² (3,638 sq ft), based on the latest internal area data available for this property. The bedroom count is shown as 4 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 B, from an inspection dated 10 January 2019. EPC information comes from the public Energy Performance Certificate data for England and Wales.

When we last checked, 21 Sheldon Avenue was in council tax band H. Council Tax bands can change, so check the latest Valuation Office Agency Council Tax list.

21 Sheldon Avenue is in postcode N6 4JS, in Highgate. You can also view HouseMetric's sold-price page for Sheldon Avenue, N6 4JS or analysis of the Highgate 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 November 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.