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Get started2 Clovelly Avenue is a three-bedroom semi-detached house in Barnet, London, London (NW9 6DT). It has a recorded floor area of 172 m² (around 1851 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (November 2015) shows a C (score 72). When first surveyed in September 2014 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good; while lighting dropped from Very Good to Average. The recommended improvements would push it to B (score 82). The latest certificate is from November 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 2.6% per year against 0% for the wider region. Today's modelled estimate of £658,000 sits 77.8% above the 2015 sale of £370,000. On a £-per-square-foot basis, the last sale (£200/sq ft) was about 36% below the postcode norm. At 172 m² the property is well over the postcode median (93 m² across 16 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 81% of similar EPCs). 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Last sold in February 2015, so it's been off the market for around 11 years.
This certificate is over 10 years old and is no longer valid.Expired 06 Nov 2025
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Extension: Single storey · Side and rear of property
Single storey side and rear extension, rear dormer with 2 no. rooflights to front to facilitate hip to gable loft conversion
2 Clovelly Avenue valuation sits well clear of the typical sold price in this postcode.
£658,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.6% per year over 12 years.
£370,000
Growth on file: 2.6% per year over 12 years.
2 Clovelly Avenue outperforms the street on floor area by a wide margin.
Price per m²
£2,151
Street avg £3,851
Floor Area
172 m²
Street avg 100 m²
Habitable Rooms
9 rooms
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Clovelly Avenue — bus stop.

Daytime· 07:00 – 23:00
54.7dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Two storey
Demolition of garage and construction of two storey side extension, single storey rear extension
1 more application for this property
Join to see all planning history.
16 February 2015Most recent
£370,000
+36.0%over 12 years20 January 2003
£272,000
Median price across the last 5 sales in NW9 6DT: £632,800 (2025–2014).
Street avg 5 rooms
CO₂ Emissions
4.8 t/year
Street avg 4.7 t/year
NW9 6DT
Closest school
0.2 km
Colindale Primary School. 49 schools nearby.
Night-time· 23:00 – 07:00
45.1dB
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