Apartment 503, 20 Brock Street, London, NW1 3DS is a leasehold flat built between 2012-2021. The property offers approximately 700 square feet of living space and is situated on the 5th floor of a 22-storey building. In this location, apartments of similar size usually have two bedrooms.

The estimated current market value of the property is £1,263,131 , which equates to approximately £1,805 per square foot. It was last sold on 9 Mar 2015 for £1,168,000. Since then, the value has increased by £95,131, representing a 8.1% increase, or approximately 0.8% per year.

The current estimated value of £1,263,131 is:

  • 5.2% lower than the average property price on Brock Street
  • 5.9% lower than the average in the NW1 3DS postcode area
  • and 51.2% higher than the average price for London as a whole

At the most recent EPC inspection on 27 October 2025, the property was recorded as rented.

View sold house prices in NW1 3DS

Building approximate location

About Property

Type
Flat
Built
2012-2021
Interior Size
700 sq ft
Tenure
Leasehold
Floor level
5th floor of 22
Price (estimate)
£1,263,131
Price Per sq ft (estimate)
£1,805
Bedroom Count (estimate)
2 bedrooms

EPC Summary

Apartment 503, 20 Brock Street, London, Camden, Greater London, NW1 3DS has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 27 Oct 2025.

This property is heated by a shared community system (community scheme). Community heating means the heat is supplied from a central source serving multiple homes. A community heating scheme is used to provide hot water. The windows are fully double glazed.

The previous EPC assessment was conducted on 28 Jun 2013, when the property was rated B. The current rating of C reflects a decline in energy efficiency of 8.3%.

Since the previous assessment, several changes were observed:

  • The main heating energy efficiency changing from very good to average, while the heating system type remained the same (community scheme).
  • The hot water energy efficiency changing from very good to average, while the system remained as community scheme.
  • The roof construction or insulation changed from (other premises above) to (another dwelling above), with no change in energy efficiency (n/a).
  • The wall construction or insulation changed from average thermal transmittance 0.47 w/m?k to system built, as built, insulated (assumed), with no change in energy efficiency (good).
  • The windows were upgraded from high performance glazing to fully double glazed.
  • The lighting was updated from low energy lighting in 80% of fixed outlets to below average lighting efficiency, with efficiency changing from very good to poor.
Heating Type
Community scheme
Average
Hot Water
Community scheme
Average
Walls
System built, as built, insulated (assumed)
Good
Windows
Fully double glazed
Average
Lighting
Below average lighting efficiency
Poor

Compared to NW1 3DS

20 th / 80
Price Rank
6% lower than average
30 th / 77
Size Rank
14% smaller than average
15 th / 77
Price Per Sq FT Rank
9% higher than average

Compared to other properties in NW1 3DS , this flat's estimated value ranks 20th out of 80. Based on price per square foot, it ranks 15th out of 77 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 30th out of 77 properties in its postcode area.

Sale History

Today
£1,263,131
streetscan.co.uk estimate
+8 %
9 Mar 2015
£1,168,000
Leasehold
+64.4 %
26 Jul 2013
£710,500
Leasehold

Area Insights

Similar Properties Sold Nearby

rooms: 3
size: 700 sq ft
sale price: £1,200,000
sale date: 16 Aug 2018
rooms: 3
size: 753 sq ft
sale price: £1,250,000
sale date: 22 Sep 2017
rooms: 2
size: 624 sq ft
sale price: £850,000
sale date: 12 Sep 2014
rooms: 4
size: 743 sq ft
sale price: £1,070,000
sale date: 16 Aug 2013
rooms: 2
size: 667 sq ft
sale price: £811,000
sale date: 7 Aug 2013

Data Sources

The property at Apartment 503, 20 Brock Street, London, NW1 3DS appears two times in the Land Registry records, with the latest transaction recorded on 9 Mar 2015. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 27 Oct 2025. 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.