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Get started21 Elmfield Avenue is a five-bedroom mid-terrace house in Haringey, London, London (N8 8QG). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (February 2022) shows a D (score 57), a step below the typical UK home. When first surveyed in July 2010 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 83), a 2-band jump. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced London HPI: 7.4% per year against 0% for the wider region. Today's modelled estimate of £1,565,000 is 17.2% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£838/sq ft) was about 73.7% above the typical sold price in the postcode. At 148 m² the property is well over the postcode median (113 m² across 25 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £1,335,000 in September 2023.
21 Elmfield Avenue's carbon output runs well above what efficient homes in the postcode produce.
21 Elmfield Avenue has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Certificate of Lawfulness: Proposed Development for erection of a single storey rear extension.
21 Elmfield Avenue has more than quadrupled in price since its earliest registered sale in 1995.
£1,565,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 29 years.
£1,335,000
Growth on file: 7.4% per year over 29 years.
21 Elmfield Avenue outperforms the street on habitable rooms by a wide margin.
Price per m²
£9,020
Street avg £7,001
Floor Area
148 m²
Street avg 122 m²
Habitable Rooms
7 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Rosebery Gardens — bus stop.

Daytime· 07:00 – 23:00
54.6dB

Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
Certificate of Lawfulness for proposed single storey rear extension and alterations to existing rear dormer windows
8 September 2023Most recent
£1,335,000
+82.4%over 12 years21 October 2010
£732,000
+63.4%over 6 years9 January 2004
£448,000
+156.7%over 8 years24 February 1995
£174,530
Median price across the last 5 sales in N8 8QG: £1,200,000 (2025–2022).
Street avg 5 rooms
CO₂ Emissions
6.8 t/year
Street avg 6.0 t/year
N8 8QG
Closest school
0.2 km
Rokesly Junior School. 72 schools nearby.
Night-time· 23:00 – 07:00
44.8dB
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