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Get started18 Beresford Avenue is a four-bedroom semi-detached house in Barnet, London, London (N20 0AD). It has a recorded floor area of 129 m² (around 1389 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (December 2015) shows a C (score 74). When first surveyed in August 2014 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Average to Good. The recommended improvements would push it to B (score 83). The latest certificate is from December 2015, so improvements made since then won't be reflected. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal.
Sale prices here have outpaced London HPI: 49.9% per year against 0% for the wider region. Today's modelled estimate of £872,000 is 16.3% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£540/sq ft) was about 45.3% above the typical sold price in the postcode. At 129 m² the property is well over the postcode median (95 m² across 27 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 78% of similar EPCs). 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. On the market in May 2016 and unlisted since — roughly 10 years.
This certificate is over 10 years old and is no longer valid.Expired 04 Dec 2025
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Extension: Side and rear of property
Single storey side and rear extension
18 Beresford Avenue valuation sits well clear of the typical sold price in this postcode.
£872,000
Modelled from EPC, postcode comparables and a sale-price growth of 49.9% per year over 2 years.
£750,000
Growth on file: 49.9% per year over 2 years.
On epc rating, 18 Beresford Avenue stands well clear of the street.
Price per m²
£5,814
Street avg £5,003
Floor Area
129 m²
Street avg 113 m²
Habitable Rooms
5 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Beresford Avenue (N20) — bus stop.

Daytime· 07:00 – 23:00
51.1dB

Changes detected from historical EPC data
Hot water efficiency improved
Window efficiency improved
Wall insulation improved
Floor insulation added or improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Roof extension involving hip to gable, 1No. rear dormer window, 2No front facing rooflights to facilitate a loft conversion
16 May 2016Most recent
£750,000
+85.2%over 1 year7 November 2014
£405,000
Median price across the last 5 sales in N20 0AD: £760,000 (2025–2022).
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 5.1 t/year
N20 0QN
Closest school
0.4 km
Sacred Heart Roman Catholic Primary School. 49 schools nearby.
Night-time· 23:00 – 07:00
41.0dB
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