21 Hemington Avenue, Barnet, London, N11 3LR
About 21 Hemington Avenue
21 Hemington Avenue is a semi-detached house in Barnet, London, London (N11 3LR). It has a recorded floor area of 201 m² (around 2164 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (May 2022) shows a C (score 70). The recommended improvements would push it to B (score 81).
Held since May 1997 — that's 29 years off the open market, well above the local norm. At 201 m² the property is well over the postcode median (153 m² across 24 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Across 1995–1997, sale prices on this property compounded at 15.6% per year. Today's modelled estimate of £1,026,000 sits 503.5% above the 1997 sale of £170,000. On a £-per-square-foot basis, the last sale (£79/sq ft) was about 80.3% below the postcode norm. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, a conservatory and partial demolition, meaningful when judging how the property has evolved.
Energy performance
21 Hemington Avenue ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- May 2004ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension.
- Documents
- 2 docs on file
- Reference
- N09775D/04
- Jul 2002ConservatoryFullIn report
Erection of rear conservatory extension and conversion of basement to games room.
Extension- Reference
- N09775C/02
We flagged 2 things worth checking at 21 Hemington 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.
- Signs of HMO activity in the area
- Recent ownership pattern worth a look
30-day money-back guarantee
Sales history & valuation
21 Hemington Avenue's modelled value sits at over four times its earliest registered sale price (1995).
£1,026,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.6% per year over 2 years.
£170,000
Growth on file: 15.6% per year over 2 years.
Sales timeline
8 May 1997Most recent
£170,000
+45.3%over 10 months7 July 1996
£117,000
-10.0%over 1 year2 July 1995
£130,000
Median price across the last 5 sales in N11 3LR: £1,017,500 (2024–2020).
Nearby sales in N11 3LR
8 Hemington Avenue, Barnet, London, N11 3LR
Sold Oct 2024
£1,250,0003 Hemington Avenue, Barnet, London, N11 3LR
Sold Nov 2023
£1,017,5002 Hemington Avenue, Barnet, London, N11 3LR
Sold Sept 2022
£1,120,00036 Hemington Avenue, Barnet, London, N11 3LR
Sold Aug 2022
£932,0001 Hemington Avenue, Barnet, London, N11 3LR
Sold Aug 2020
£950,000
Versus other Hemington Avenue homes
Price per m² for 21 Hemington Avenue lags the street by a wide margin.
Price per m²
£846
Street avg £5,385
Floor Area
201 m²
Street avg 150 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
6.2 t/year
Street avg 7.9 t/year
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Friern Barnet / Friern Barnet Lane — bus stop.
Closest school
0.2 km
Friern Barnet School. 57 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
52.5dB

Night-time· 23:00 – 07:00
42.8dB







