5 St Margarets Avenue, Barnet, London, N20 9LL
About 5 St Margarets Avenue
5 St Margarets Avenue is a four-bedroom semi-detached house in Barnet, London, London (N20 9LL). It has a recorded floor area of 143 m² (around 1539 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (September 2020) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in July 2013 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 Average to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump.
At 143 m² the property is well over the postcode median (104 m² across 22 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Across 2014–2020, sale prices on this property compounded at 9.3% per year. Today's modelled estimate of £1,024,000 is 14.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£581/sq ft) was about 66% above the typical sold price in the postcode. Last sale on file: £895,000 in December 2020.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- Dining roomYes
Outside
- GarageYes
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
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 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 both a loft conversion and an extension — the classic family-home expansion.
- May 2014PorchFullIn report
New front porch roof.
- Agent
- KJM Design And Planning Services
Extension- Documents
- 5 docs on file
- Reference
- B/01839/14
- Apr 2014Loft ConversionOutlineIn report
Extension: Single storey · Rear of property
Single storey extension to rear, front porch (less than 3m2), loft conversion (under 40 cubic metres), front rooflights, extension of existing soil vent pipe, insertion of side window
- Agent
- KJM Design And Planning Services
ExtensionPorch- Documents
- 7 docs on file
- Reference
- B/01027/14
We flagged 1 thing worth checking at 5 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,024,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.3% per year over 7 years.
£895,000
Growth on file: 9.3% per year over 7 years.
Sales timeline
18 December 2020Most recent
£895,000
+84.5%over 6 years23 January 2014
£485,000
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
£771,00037 St Margarets Avenue, Barnet, London, N20 9LL
Sold Jun 2021
£960,00031 St Margarets Avenue, Barnet, London, N20 9LL
Sold Apr 2021
£772,00041 St Margarets Avenue, Barnet, London, N20 9LL
Sold May 2018
£775,000
Versus other St Margarets Avenue homes
On epc rating, 5 St Margarets Avenue stands well clear of the street.
Price per m²
£6,259
Street avg £5,297
Floor Area
143 m²
Street avg 118 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.1 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







