31a, Brunswick Grove, Barnet, London, N11 1HN
About 31a
31a is a one-bedroom semi-detached house in Barnet, London, London (N11 1HN). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (September 2013) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 78). The latest certificate is from September 2013, so improvements made since then won't be reflected. Other recorded features include a self-contained annexe.
Across 2001–2014, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £548,000 is 46.1% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£379/sq ft) was about 34.5% above the typical sold price in the postcode. 12 years since the last transfer (January 2014). One planning record on file: an extension refused in 2014.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Shared gardenYes
Building
- RefurbishedYes
Energy performance
31a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Sept 2023
EPC Rating
Planning history
- Oct 2014ExtensionFullIn report
Extension: Single storey · Side of property
First floor side extension.
- Agent
- RS Architects
- Documents
- 8 docs on file
- Reference
- B/04518/14
We flagged 2 things worth checking at 31a
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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
Sale price has at least doubled since 2001.
£548,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 13 years.
£375,000
Growth on file: 5.7% per year over 13 years.
Sales timeline
10 January 2014Most recent
£375,000
+50.0%over 10 years28 November 2003
£250,000
+34.4%over 2 years17 April 2001
£186,000
Median price across the last 5 sales in N11 1HN: £545,000 (2025–2021).
Nearby sales in N11 1HN
15 Brunswick Grove, Barnet, London, N11 1HN
Sold Feb 2025
£637,00024 Brunswick Grove, Barnet, London, N11 1HN
Sold Aug 2022
£428,00024a, Brunswick Grove, Barnet, London, N11 1HN
Sold Mar 2022
£405,00018 Brunswick Grove, Barnet, London, N11 1HN
Sold Mar 2021
£545,00021 Brunswick Grove, Barnet, London, N11 1HN
Sold Mar 2021
£620,000
Versus other Brunswick Grove homes
31a is notably below the street on floor area.
Price per m²
£4,076
Street avg £4,287
Floor Area
92 m²
Street avg 117 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.5 t/year
Street avg 4.8 t/year
Similar properties nearby
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Brunswick Avenue (N11) — bus stop.
Closest school
0.4 km
St Andrew the Apostle Greek Orthodox School. 53 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
50.1dB

Night-time· 23:00 – 07:00
41.0dB







