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Get started21 Langbourne Avenue is a four-bedroom semi-detached house in Camden, London, London (N6 6AJ). It has a recorded floor area of 177 m² (around 1905 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (May 2018) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since October 2008. Between certificates, hot-water efficiency went from Average to Good, lighting went from Average to Good and main heating went from Average to Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 77), a 2-band jump.
Sale prices here have outpaced London HPI: 8.3% per year against 0% for the wider region. Today's modelled estimate of £2,876,000 is 47.5% above the 2018 sale price. One planning record on file: a loft conversion approved in 2004. Past consents include a loft conversion, meaningful when judging how the property has evolved. Most recent transfer: August 2018 at £1,950,000.
21 Langbourne Avenue's carbon output runs well above what efficient homes in the postcode produce.
Construction of dormer window extensions to the side and rear roof slopes.
Price for 21 Langbourne Avenue has grown more than fourfold since the 1997 starting point.
£2,876,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.3% per year over 21 years.
£1,950,000
Growth on file: 8.3% per year over 21 years.
Price per m² for 21 Langbourne Avenue lags the street by a wide margin.
Price per m²
£11,017
Street avg £12,170
Floor Area
177 m²
Street avg 151 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
7/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Swains Lane — bus stop.

Daytime· 07:00 – 23:00
45.5dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Ventilation system changed
Are we missing something? Tell us about home improvements to help adjust your valuation.
1 August 2018Most recent
£1,950,000
+427.0%over 20 years29 August 1997
£370,000
Median price across the last 5 sales in N6 6AJ: £1,800,000 (2020–2012).
Street avg 6 rooms
CO₂ Emissions
11.6 t/year
Street avg 7.7 t/year
N6 6BH
Closest school
0.4 km
La Sainte Union Catholic Secondary School. 53 schools nearby.
Night-time· 23:00 – 07:00
36.8dB
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