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Get started37 St Margarets Avenue is a four-bedroom semi-detached house in Barnet, London, London (N20 9LL). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (August 2017) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in July 2012 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 79).
Sale prices here have outpaced London HPI: 8.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£656/sq ft) was about 87.2% above the typical sold price in the postcode. 4 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a garage conversion and partial demolition, meaningful when judging how the property has evolved. At 136 m² it's 28.3% larger than the typical home in the postcode (106 m² median across 21 EPCs). Most recent transfer: June 2021 at £960,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Roof extension involving rear dormer window with juliette balcony and 2no rooflights to front elevation
Latest sale on 37 St Margarets Avenue was the highest on Land Registry record across the postcode.
£1,047,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.7% per year over 9 years.
£960,000
Growth on file: 8.7% per year over 9 years.
On habitable rooms, 37 St Margarets Avenue stands well clear of the street.
Price per m²
£7,059
Street avg £5,235
Floor Area
136 m²
Street avg 118 m²
Habitable Rooms
7 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Athenaeum Road — bus stop.

Daytime· 07:00 – 23:00
50.6dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
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
Single storey rear extension, conversion of garage into habitable room and provision of the rear terrace.
2 more applications for this property
Join to see all planning history.
25 June 2021Most recent
£960,000
+104.3%over 8 years16 November 2012
£470,000
Median price across the last 5 sales in N20 9LL: £772,000 (2023–2018).
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 5.5 t/year
N20 9DF
Closest school
0.5 km
Alma Primary. 45 schools nearby.
Night-time· 23:00 – 07:00
42.1dB
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