3 Cornwallis Square, London, N19 4LY is a freehold terraced property built between 1991-1995. The property offers approximately 926 square feet of living space. In this location, properties of similar size usually have three bedrooms.

The estimated current market value of the property is £736,388 , which equates to approximately £796 per square foot. It was last sold on 14 May 2015 for £626,000. Since then, the value has increased by £110,388, representing a 17.6% increase, or approximately 1.6% per year.

The current estimated value of £736,388 is:

  • 21.0% higher than the average property price on Cornwallis Square
  • 12.3% higher than the average in the N19 4LY postcode area
  • and 9.0% lower than the average price for London as a whole

At the most recent EPC inspection on 5 August 2025, the property was recorded as owner-occupied.

View sold house prices in N19 4LY

Building approximate location

About Property

Type
Terraced House
Built
1991-1995
Interior Size
926 sq ft
Tenure
Freehold
Price (estimate)
£736,388
Price Per sq ft (estimate)
£796
Bedroom Count (estimate)
3 bedrooms

EPC Summary

3 Cornwallis Square, London, Islington, Greater London, N19 4LY has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 5 Aug 2025.

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 are single glazed.

The previous EPC assessment was conducted on 27 Feb 2015, when the property was rated D. Since then, the rating has improved to C, with the energy efficiency score increasing by 16.1%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 100 mm loft insulation to pitched, unknown loft insulation, improving energy efficiency from average to good.
  • The lighting was updated from low energy lighting in 22% of fixed outlets to good lighting efficiency, with efficiency improving from poor to good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, Unknown loft insulation
Good
Walls
Cavity wall, as built, insulated (assumed)
Good
Windows
Single glazed
Very Poor
Lighting
Good lighting efficiency
Good

Compared to N19 4LY

12 th / 22
Price Rank
12% higher than average
9 th / 19
Size Rank
6% smaller than average
7 th / 19
Price Per Sq FT Rank
19% higher than average

Sale History

Today
£736,388
streetscan.co.uk estimate
+18 %
14 May 2015
£626,000
Freehold

Flood Risk for this Property

Flood risk from rivers and the sea
Very low flood risk
Flood risk from surface water
Very low flood risk
Surface water flood hazard
No mapped risk

* Results are based on Environment Agency flood risk mapping for the property UPRN where available. They are indicative and should not be treated as a site-specific flood survey.

Flood risk from rivers and the sea

This property has very low flood risk from rivers and the sea.

River and sea flooding includes flooding caused by overflowing rivers, estuaries, tidal waters and coastal surges.

Flood risk from surface water

This property has very low surface water flood risk.

Surface water flooding can happen when heavy rainfall overwhelms drains, roads, gardens or other hard surfaces.

Flood depth indicators

Rivers and Sea
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk
Surface Water
  • 0.2m depth No mapped risk
  • 0.3m depth No mapped risk
  • 0.6m depth No mapped risk
  • 0.9m depth No mapped risk
  • 1.2m depth No mapped risk

Area Insights

Similar Properties Sold Nearby

rooms: 5
size: 883 sq ft
sale price: £685,000
sale date: 10 Sep 2014

Data Sources

The property at 3 Cornwallis Square, London, N19 4LY appears once in HM Land Registry records, with the transaction recorded on 14 May 2015. It also has two Energy Performance Certificate (EPC) records, the earliest dating back to 5 Aug 2025. We use this information to estimate the property's characteristics, flood risk profile and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0 .

StreetScan.co.uk is not affiliated with, endorsed by, or associated with HM Land Registry, DESNZ, MHCLG, Defra or the Environment Agency.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure that the information provided on this website is current and accurate. However, no warranties or representations are made regarding its completeness, accuracy, suitability or reliability. Property values, flood risk assessments and other derived information are estimates based on publicly available datasets and should not be relied upon as professional, legal, surveying, environmental, financial or insurance advice. StreetScan.co.uk expressly disclaims all liability for any loss, damage, cost or expense arising directly or indirectly from the use of, or reliance upon, information provided on this website.