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21 St Margarets Avenue, Barnet, London, N20 9LL

3 sales on record3 planning records
Property type
Semi-detached
Bedrooms
4
Floor area
127 m²
1367 sq ft
Energy rating
D
Score 55
Council tax
Band E
Tenure
Owner Occupied
Overview

About 21 St Margarets Avenue

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

21 St Margarets Avenue is a four-bedroom semi-detached house in Barnet, London, London (N20 9LL). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (April 2014) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 79). The latest certificate is from April 2014, so improvements made since then won't be reflected.

3 planning records sit against the property, 1 approved, 0 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 127 m² it's 22.1% larger than the typical home in the postcode (104 m² median across 22 EPCs). Across 2002–2014, sale prices on this property compounded at 8.8% per year. Today's modelled estimate of £822,000 is 24.5% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£483/sq ft) was about 29.4% above the typical sold price in the postcode. On the market in September 2014 and unlisted since — roughly 12 years.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms4
  • Dining roomYes
  • EnsuiteYes

Outside

  • Private gardenRear
  • ParkingOff street
Before you decide

Everything you need to know about 21 St Margarets Avenue

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

21 St Margarets Avenue's carbon output runs well above what efficient homes in the postcode produce.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 15 Apr 2024

EPC Rating

A
B
C
D
D55
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
6.1 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Early 20th centurySemi-Detached HouseEPC DSolid (non-cavity) walls

Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £1,360 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 St Margarets Avenue, Barnet, London, N20 9LL, sourced from the PlanIt planning register.
  1. Nov 2014
    ExtensionOutline
    In report

    Extension: Rear of property

    Extension to roof including rear dormer with juliette balcony.

    Agent
    Mr K A Wright
    Documents
    4 docs on file
    Reference
    B/05708/14
    View planning record
  2. Jul 2006
    Loft ConversionFull
    In report

    Alterations to roof involving raising of hip end to gable wall and front and rear rooflights to facilitate a loft conversion.

    Documents
    5 docs on file
    Reference
    N06721B/06
    View planning record
Before you offer

We flagged 1 thing worth checking at 21 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
£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

21 St Margarets Avenue has more than doubled in price since the earliest registered sale in 2002.

Current estimate

£822,000

Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 13 years.

See how we calculated this
Last sold (2014)

£660,000

Growth on file: 8.8% per year over 13 years.

Sales timeline

  1. 18 September 2014Most recent

    £660,000

    +132.4%over 11 years

  2. 14 August 2003

    £284,000

    +23.7%over 1 year

  3. 15 March 2002

    £229,500

Median price across the last 5 sales in N20 9LL: £772,000 (2023–2020).

On the street

Versus other St Margarets Avenue homes

Four headline reads against 18 similar houses on this street, drawn from the latest EPC and Land Registry data.

EPC Rating for 21 St Margarets Avenue lags the street by a wide margin.

Price per m²

£5,197

Street avg £5,378

Below

Floor Area

127 m²

Street avg 119 m²

Above

Habitable Rooms

6 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

6.1 t/year

Street avg 5.4 t/year

Below
Before you decide

Everything you need to know about 21 St Margarets Avenue

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£1m

1 St Margarets Avenue, Barnet

N20 9LL

4 bed3 bath
£1.1m

1 Maxfield Close, Barnet

N20 9DF

4 bed
£1.4m

1 Harrison Close, Barnet

N20 9JX

4 bed3 bath
£1.0m

1 Temple Avenue, Barnet

N20 9EJ

3 bed1 bath
£1.4m

10 Athenaeum Road, Barnet

N20 9AE

5 bed3 bath
£1.5m

10 Buckingham Avenue, Barnet

N20 9BX

3 bed
£717k

1 Well Grove, Barnet

N20 9BN

2 bed1 bath
£1.9m

1 Applewood Close, Barnet

N20 9JW

5 bed
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
Full London report

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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around N20 9LL from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for N20 9LL

Daytime· 07:00 – 23:00

50.6dB

Low
Night-time road noise heatmap for N20 9LL

Night-time· 23:00 – 07:00

42.1dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 St Margarets Avenue, Barnet, London, N20 9LL. Each answer is also embedded as structured data for search engines.