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Get started23 Theberton Street is a three-bedroom mid-terrace house in Islington, London, London (N1 0QY). It has a recorded floor area of 170 m² (around 1828 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (April 2010) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 65). The latest certificate is from April 2010, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 10.3% per year against 0% for the wider region. Today's modelled estimate of £2,382,000 is 16.2% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£1,122/sq ft) was about 102.2% above the typical sold price in the postcode. At 170 m² the property is well over the postcode median (127 m² across 29 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs). 2 planning records sit against the property, 1 approved, 1 refused. The record references listed-building consent, which constrain future alterations. Last changed hands 11 years ago, in July 2015.
23 Theberton 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This certificate is over 10 years old and is no longer valid.Expired 09 Apr 2020
23 Theberton Street has multiple listed-building consents on file — alterations need formal heritage approval.
Listed Building consent in connection with alterations to enlarge existing top floor WC and inbuilt cupboards to provide a double access shower room.
Price for 23 Theberton Street has grown more than fourfold since the 1996 starting point.
£2,382,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.3% per year over 19 years.
£2,050,000
Growth on file: 10.3% per year over 19 years.
EPC Rating for 23 Theberton Street lags the street by a wide margin.
Price per m²
£12,073
Street avg £9,794
Floor Area
170 m²
Street avg 165 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Theberton Street / Gibson Sq — bus stop.

Daytime· 07:00 – 23:00
56.5dB

Listed Building consent in connection with enlargement of existing shower room at third floor level front room involving removal of part ow dividing wall and construction of enclosure in rear room.
22 July 2015Most recent
£2,050,000
+60.8%over 5 years20 July 2010
£1,275,000
+294.7%over 13 years30 August 1996
£323,000
Median price across the last 5 sales in N1 0QY: £1,035,000 (2025–2022).
11 13 Flat Theberton Street Islington London
Sold Jul 2025
Ground Floor Flat 87 Theberton Street London
Sold Oct 2024
61 Theberton Street Islington London
Sold May 2024
21b Theberton Street Islington London
Sold Sept 2023
71 Theberton Street Islington London
Sold Nov 2022
Street avg 6 rooms
CO₂ Emissions
9.3 t/year
Street avg 6.2 t/year
N1 0JA
Closest school
0.4 km
St John Evangelist Catholic Primary School. 94 schools nearby.
Night-time· 23:00 – 07:00
45.9dB
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