1 bed flat for sale Treaty Street, Islington, N1
Added on 14/09/2026
About this property
Set within a well-kept block with residents' parking, this bright and airy apartment leads from a spacious hall into a light-filled living room. The property also features a separate modern kitchen, a generous double bedroom with fitted storage, and a well-proportioned bathroom. King's Cross St Pancras is under a ten-minute walk away, offering access to six underground lines, national rail services and the Eurostar.
Floorplan
Location
Treaty Street, Islington, N1, N1 0TE
- Council tax
- Band D (Approx £2,108/year)Islington's 2026/27 area average, including the typical parish precept for band D. Your bill may differ: single-person and other discounts may apply.
Mortgage and stamp duty
A £427,000 mortgage. Most lenders would want a household income of about £95,000 to support it.
A guide only, for a capital repayment mortgage. The rate you are offered and what you can borrow depend on your circumstances and a full application with a lender or broker. Your home may be repossessed if you do not keep up repayments on your mortgage.
Historic sold prices nearby
HM Land Registry sales in N1 0TE. Floor areas from Energy Performance Certificates where matched.
| Address | Type | Sold | Size | Size | £/sq ft | Price |
|---|---|---|---|---|---|---|
| 83, Treaty Street Terraced | Terraced | Jul 2023 | 861 sq ft £1,016/sq ft | 861 sq ft | £1,016 | £875,000 |
| 83, Treaty Street Terraced | Terraced | Dec 2017 | 861 sq ft £883/sq ft | 861 sq ft | £883 | £760,000 |
| 82, Treaty Street Terraced | Terraced | Aug 2015 | 527 sq ft £853/sq ft | 527 sq ft | £853 | £450,000 |
| 75, Treaty Street Flat / maisonette | Flat / maisonette | May 2013 | 657 sq ft £527/sq ft | 657 sq ft | £527 | £346,250 |
| 86, Treaty Street Terraced | Terraced | Jan 2012 | 689 sq ft £502/sq ft | 689 sq ft | £502 | £346,000 |
| 73, Treaty Street Flat / maisonette | Flat / maisonette | Dec 2011 | 506 sq ft £682/sq ft | 506 sq ft | £682 | £345,000 |
| 84, Treaty Street Terraced | Terraced | Aug 2008 | 732 sq ft £178/sq ft | 732 sq ft | £178 | £130,000 |
| 77, Treaty Street Flat / maisonette | Flat / maisonette | Oct 2007 | 506 sq ft £287/sq ft | 506 sq ft | £287 | £145,000 |
Area insights
The neighbourhood around this property.




