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Get started3 Dagmar Terrace is a three-bedroom mid-terrace house in Islington, London, London (N1 2BN). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (April 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2011. Between certificates, lighting went from Poor to Very Good; while window efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced London HPI: 7.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,096/sq ft) was about 86% above the typical sold price in the postcode. Most recent transfer was May 2025 at £1,250,000 — fresh data. One planning record on file: an extension approved in 2025. Past consents include an extension, meaningful when judging how the property has evolved.
Recommended upgrades on file would lift this property by multiple EPC bands.
Extension: Single storey · Rear of property
Erection of single storey rear extension, rear dormer roof extension, installation of 2no. front rooflights and replacement double glazed aluminium windows to the front and rear elevations.
Price for 3 Dagmar Terrace has grown more than fourfold since the 1995 starting point.
£1,332,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.7% per year over 30 years.
£1,250,000
Growth on file: 7.7% per year over 30 years.
Years Held for 3 Dagmar Terrace lags the street by a wide margin.
Price per m²
£11,792
Street avg £10,513
Floor Area
106 m²
Street avg 136 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
0.1 km
Cross Street / Dagmar Terrace — bus stop.

Daytime· 07:00 – 23:00
56.9dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
9 May 2025Most recent
£1,250,000
+750.3%over 28 years20 December 1996
£147,000
+10.9%over 1 year17 March 1995
£132,500
Median price across the last 5 sales in N1 2BN: £1,675,000 (2025–2023).
Street avg 6 rooms
CO₂ Emissions
3.7 t/year
Street avg 5.5 t/year
N1 2AB
Closest school
0.1 km
St Mary's CofE Primary School. 97 schools nearby.
Night-time· 23:00 – 07:00
47.0dB
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