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Get started21 Austen Road is a three-bedroom detached house in Erith (DA8 1YA). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (January 2018) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2009. Between certificates, window efficiency went from Average to Good. The recommended improvements would push it to C (score 79).
Sale prices here have outpaced England HPI: 6.8% per year against 0% for the wider region. Today's modelled estimate of £454,000 is 18.5% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£414/sq ft) was about 60.8% above the typical sold price in the postcode. One planning record on file: an extension approved in 2022. Past consents include an extension, a garage conversion and partial demolition, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Last sale on file: £383,000 in July 2018.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Extension: Single storey · Rear of property
Single storey rear extension (including demolition of existing conservatory) and part garage conversion.
21 Austen Road has more than tripled in price since its earliest registered sale in 1998.
£454,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 20 years.
£383,000
Growth on file: 6.8% per year over 20 years.
21 Austen Road is notably below the street on epc rating.
Price per m²
£4,453
Street avg £4,289
Floor Area
86 m²
Street avg 78 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Little Heath Road — bus stop.

Daytime· 07:00 – 23:00
51.3dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Loft insulation upgraded to recommended levels
Are we missing something? Tell us about home improvements to help adjust your valuation.
23 July 2018Most recent
£383,000
+56.3%over 8 years19 November 2009
£245,000
+145.0%over 11 years27 March 1998
£100,000
Median price across the last 5 sales in DA8 1YA: £430,000 (2025–2023).
CO₂ Emissions
3.3 t/year
Street avg 2.6 t/year
DA8 1YA
Closest school
0.3 km
Northumberland Heath Primary School. 46 schools nearby.
Night-time· 23:00 – 07:00
40.9dB
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