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Get started10 Mary Street is a two-bedroom end-of-terrace house in Islington, London, London (N1 7DL). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (May 2016) shows an E (score 47), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since January 2011. Between certificates, lighting went from Very Poor to Good; while wall efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 84), a 3-band jump. The latest certificate is from May 2016, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 10.5% per year against 0% for the wider region. Today's modelled estimate of £1,766,000 is 21% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£1,169/sq ft) was about 41.4% above the typical sold price in the postcode. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension, partial demolition and a conservatory, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Last sold in August 2016, so it's been off the market for around 10 years.
10 Mary Street's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 09 May 2026
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Rear of property
10 Mary Street valuation sits well clear of the typical sold price in this postcode.
£1,766,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.5% per year over 5 years.
£1,460,000
Growth on file: 10.5% per year over 5 years.
10 Mary Street outperforms the street on price per m² by a wide margin.
Price per m²
£12,586
Street avg £10,437
Floor Area
116 m²
Street avg 119 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Basire Street — bus stop.

Daytime· 07:00 – 23:00
55.9dB

Changes detected from historical EPC data
Glazing upgraded to newer, more efficient type
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Erection of a replacement lower ground single storey rear extension and a half width upper ground rear extension following demolition of the existing single storey rear extension at lower ground floor level.
Certificate of Lawful Proposed Development for single storey rear conservatory.
1 more application for this property
Join to see all planning history.
19 August 2016Most recent
£1,460,000
+69.8%over 5 years28 April 2011
£860,000
Median price across the last 5 sales in N1 7DL: £1,250,000 (2020–2018).
Street avg 5 rooms
CO₂ Emissions
6.8 t/year
Street avg 5.5 t/year
N1 7DL
Closest school
0.3 km
City of London Academy Islington. 98 schools nearby.
Night-time· 23:00 – 07:00
45.3dB
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