37 St Margarets Avenue, Barnet, London, N20 9LL
About 37 St Margarets Avenue
37 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).
At 136 m² the property is well over the postcode median (104 m² across 22 EPCs), placing it in the larger end of the local stock. 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. Across 2012–2021, sale prices on this property compounded at 8.7% per year. On a £-per-square-foot basis, the last sale (£656/sq ft) was about 87.2% above the typical sold price in the postcode. 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.
What this property has
Inside
- Bedrooms4
- Bathrooms2
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Nov 2015Loft ConversionAmendmentIn report
Roof extension involving rear dormer window with juliette balcony and 2no rooflights to front elevation
- Agent
- IBI Design Associates
Extension- Documents
- 10 docs on file
- Reference
- 15/06408/191
- Aug 2015Garage ConversionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension, conversion of garage into habitable room and provision of the rear terrace.
- Agent
- IBI Desing Associates
Extension- Documents
- 15 docs on file
- Reference
- 15/03964/HSE
We flagged 1 thing worth checking at 37 St Margarets Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
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.
Sales timeline
24 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).
Nearby sales in N20 9LL
Flat 2, 55 St Margarets Avenue, London, N20 9LL
Sold Aug 2023
£450,00013 St Margarets Avenue, Barnet, London, N20 9LL
Sold Mar 2023
£771,00031 St Margarets Avenue, Barnet, London, N20 9LL
Sold Apr 2021
£772,0005 St Margarets Avenue, Barnet, London, N20 9LL
Sold Dec 2020
£895,00041 St Margarets Avenue, Barnet, London, N20 9LL
Sold May 2018
£775,000
Versus other St Margarets Avenue homes
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
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 5.5 t/year
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The neighbourhood at a glance
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.
Closest school
0.5 km
Alma Primary. 45 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.6dB

Night-time· 23:00 – 07:00
42.1dB







