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Get started25 St Margarets Avenue, Barnet, London, N20 9LL
1 planning record
About 25 St Margarets Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
25 St Margarets Avenue is a three-bedroom semi-detached house in Barnet, London, London (N20 9LL). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (December 2025) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2015. Between certificates, window efficiency dropped from Average to Poor and lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 79). This certificate was lodged in the last six months, so the rating reflects current condition.
Sale prices here have outpaced London HPI: 7.1% per year against 0% for the wider region. Today's modelled estimate of £808,000 is 19.7% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£615/sq ft) was about 75.5% above the typical sold price in the postcode. One planning record on file: an extension approved in 2000. Past consents include an extension, meaningful when judging how the property has evolved. On the market in March 2016 and unlisted since — roughly 10 years.
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
- Bedrooms3
- Bathrooms1
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
The EPC has just been inspected, so the rating reflects current condition.
Current Certificate(1 of 2)
Dec 2025
EPC Rating
A
B
C
D
D68
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
3.4 t/year
Occupancy
Rented
Planning history
Applications and permits filed against 25 St Margarets Avenue, Barnet, London, N20 9LL, sourced from the PlanIt planning register.
25 St Margarets Avenue has an approved single-storey rear extension on the planning record.
- Sept 2000ExtensionFullApprove subject to conditions
Extension: Single storey · Rear of property
Single storey rear extension.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
25 St Margarets Avenue has more than doubled in price since the earliest registered sale in 2000.
Current estimate
See how we calculated this£808,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 16 years.
Last sold (2016)
£675,000
Growth on file: 7.1% per year over 16 years.
Sales timeline
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.
25 St Margarets Avenue outperforms the street on co₂ emissions by a wide margin.
Price per m²
£6,618
Street avg £5,269
Floor Area
102 m²
Street avg 120 m²
Habitable Rooms
4 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor 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.
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.
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· 07:00 – 23:00
50.6dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 75 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 25 St Margarets Avenue, Barnet, London, N20 9LL. Each answer is also embedded as structured data for search engines.