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Get started21 Duncroft is a three-bedroom semi-detached house in Greenwich, London, London (SE18 2HZ). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (July 2013) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from July 2013, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 6.8% per year against 0% for the wider region. Today's modelled estimate of £398,000 sits 59.2% above the 2013 sale of £250,000. On a £-per-square-foot basis, the last sale (£310/sq ft) was about 29.9% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. On the market in October 2013 and unlisted since — roughly 13 years.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 09 Jul 2023
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Certificate of Lawfulness (proposed) is sought for a loft conversion with a hip to gable end, rear dormer window, 2 rooflights to front roof slope and a new window to side elevation at loft level.
21 Duncroft has more than doubled in price since the earliest registered sale in 2001.
£398,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 12 years.
£250,000
Growth on file: 6.8% per year over 12 years.
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On habitable rooms, 21 Duncroft runs well behind the street norm.
Price per m²
£3,333
Street avg £5,216
Floor Area
75 m²
Street avg 85 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
13/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Duncroft — bus stop.

Daytime· 07:00 – 23:00
49.5dB

Extension: Single storey · Rear of property
Prior notification is sought for the erection of a single storey rear extension.
8 October 2013Most recent
£250,000
+8.2%over 5 years12 October 2007
£231,000
+100.9%over 5 years7 December 2001
£115,000
Median price across the last 5 sales in SE18 2HZ: £420,000 (2025–2020).
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Detailed EPC data
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Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
3.5 t/year
Street avg 3.9 t/year
SE18 2DP
Closest school
0.3 km
Timbercroft Primary School. 45 schools nearby.
Night-time· 23:00 – 07:00
38.3dB