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Get started21 Denmark Avenue is a five-bedroom detached house in Merton, London, London (SW19 4HF). It has a recorded floor area of 284 m² (around 3057 sq ft), construction records dating it to 1900-1929 and council tax band H. The latest certificate (July 2021) shows a D (score 56), a step below the typical UK home. The recommended improvements would lift it to B (score 81), a 2-band jump. Records show the property has been extended at some point in its history.
At 284 m² the property is well over the postcode median (71 m² across 42 EPCs), placing it in the larger end of the local stock. 8 planning records sit against the property, 7 approved, 0 refused. Past consents include tree works and an extension, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£1,178/sq ft) was about 70.2% above the typical sold price in the postcode. Sold October 2022 for £3,600,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
21 Denmark Avenue's carbon output runs well above what efficient homes in the postcode produce.
21 Denmark Avenue has been through 7 approved planning applications — a well-evolved property.
REAR GARDEN - 1 X ROBINIA TO FELL TO BE REPLACED BY 1 X ACER PLATANOIDES DRUMMONDII.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£3,873,000
Modelled from EPC, postcode comparables.
£3,600,000
Recorded with HM Land Registry.
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Detailed AI analysis
Habitable Rooms for 21 Denmark Avenue runs comfortably ahead of the street norm.
Price per m²
£12,676
Street avg £9,517
Floor Area
284 m²
Street avg 258 m²
Habitable Rooms
11 rooms
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Spencer Hill — bus stop.

Daytime· 07:00 – 23:00
51.4dB

REAR GARDEN - CROWN REDUCE PURPLE PLUM, WEEPING ASH AND PEAR LEAVING WELL BALANCED TREES ON COMPLETION OF ALL WORKS.
6 more applications for this property
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14 October 2022Most recent
£3,600,000
Median price across the last 5 sales in SW19 4HF: £2,900,000 (2025–2023).
An AI-written breakdown of everything that matters
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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Street avg 9 rooms
CO₂ Emissions
12.0 t/year
Street avg 9.4 t/year
SW19 4QA
Closest school
0.4 km
Wimbledon College. 33 schools nearby.
Night-time· 23:00 – 07:00
41.5dB