20 Allandale Avenue, London, N3 3PJ is a freehold detached property built between 1930-1949. The property offers approximately 2,908 square feet of living space. In this location, properties of similar size usually have six bedrooms.

The estimated current market value of the property is £3,506,777 , which equates to approximately £1,207 per square foot. It was last sold on 31 Oct 2011 for £2,050,000. Since then, the value has increased by £1,456,777, representing a 71.1% increase, or approximately 5.0% per year.

The current estimated value of £3,506,777 is:

  • 67.0% higher than the average property price on Allandale Avenue
  • 51.1% higher than the average in the N3 3PJ postcode area
  • and 319.7% higher than the average price for London as a whole

View sold house prices in N3 3PJ

Building approximate location

About Property

Type
Detached House
Built
1930-1949
Interior Size
2908 sq ft
Tenure
Freehold
Price (estimate)
£3,506,777
Price Per sq ft (estimate)
£1,207
Bedroom Count (estimate)
6 bedrooms

EPC Summary

20 Allandale Avenue, London, Barnet, Greater London Authority, N3 3PJ has an Energy Performance Certificate (EPC) rating of F, based on the latest assessment carried out on 9 Dec 2008.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows have partial double glazing.

Heating Type
Boiler and radiators, mains gas
Average
Hot Water
From main system
Average
Roof
Pitched, 75 mm loft insulation
Average
Walls
Solid brick, as built, no insulation (assumed)
Very Poor
Windows
Partial double glazing
Good
Lighting
No low energy lighting
Very Poor

Compared to N3 3PJ

2 nd / 21
Price Rank
51% higher than average
7 th / 11
Size Rank
4% smaller than average
1 st / 11
Price Per Sq FT Rank
57% higher than average

Compared to other properties in N3 3PJ , this house's estimated value ranks 2nd out of 21. Based on price per square foot, it ranks 1st out of 11 properties. This suggests a relatively high price per square foot, which may reflect quality, location, or recent upgrades. In terms of size, this home ranks 7th out of 11 properties in its postcode area.

Sale History

Today
£3,506,777
streetscan.co.uk estimate
+71 %
31 Oct 2011
£2,050,000
Leasehold

Area Insights

Nearby Properties

rooms: 7
size: 2939 sq ft
sale price: £2,600,000
sale date: 24 Mar 2025
rooms: 10
size: 2713 sq ft
sale price: £1,495,000
sale date: 4 Apr 2014
rooms: 9
size: 3509 sq ft
sale price: £2,725,000
sale date: 22 Jun 2023
rooms: 9
size: 2648 sq ft
sale price: £2,030,000
sale date: 24 Sep 2021
rooms: 9
size: 5543 sq ft
sale price: £3,495,000
sale date: 5 Nov 2021

Data Sources

The property at 20 Allandale Avenue, London, Barnet, Greater London Authority, N3 3PJ appears once in the Land Registry records, with the transaction recorded on 31 Oct 2011. It also has a single Energy Performance Certificate (EPC) from 9 Dec 2008. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.