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Get started4 Dagmar Terrace is a three-bedroom mid-terrace house in Islington, London, London (N1 2BN). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 1930-1949 and council tax band E. Tenure is freehold. The latest certificate (July 2018) shows a C (score 69), just inside the C band. When first surveyed in July 2009 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Good and hot-water efficiency went from Very Poor to Good.
Sale prices here have outpaced London HPI: 7.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,170/sq ft) was about 112.1% above the typical sold price in the postcode. Most recent transfer was February 2025 at £1,675,000 — fresh data. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 133 m² it's 19.8% larger than the typical home in the postcode (111 m² median across 17 EPCs). Its energy rating outperforms most of the postcode (better than 71% of similar EPCs).
Extension: Single storey · Rear of property
Erection of a single storey rear extension and formation of a rear dormer.
4 Dagmar Terrace has more than tripled in price since its earliest registered sale in 2009.
£1,657,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.8% per year over 15 years.
£1,675,000
Growth on file: 7.8% per year over 15 years.
Habitable Rooms for 4 Dagmar Terrace lags the street by a wide margin.
Price per m²
£12,594
Street avg £10,440
Floor Area
133 m²
Street avg 134 m²
Habitable Rooms
4 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
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Rear of property
Ground and first floor rear extension, attic conversion with dormer window, replacement back garden fences, windows, front door, garden gate and new landscaping to front and rear garden. New boiler flue and demolished chimney.also full P092459 submitted
14 February 2025Most recent
£1,675,000
+16.3%over 6 years18 January 2019
£1,440,000
+172.5%over 9 years2 October 2009
£528,500
Median price across the last 5 sales in N1 2BN: £1,674,000 (2025–2023).
Street avg 6 rooms
CO₂ Emissions
4.1 t/year
Street avg 5.5 t/year
N1 2BN
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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