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Get started31 Betterton Drive is a three-bedroom semi-detached house in Sidcup (DA14 4PS). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (October 2017) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 7.3% per year against 0% for the wider region. Today's modelled estimate of £540,000 is 25.6% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£408/sq ft) was about 40.3% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Last changed hands 8 years ago, in April 2018.
Recommended upgrades on file would lift this property by multiple EPC bands.
31 Betterton Drive has 2 separate extension applications on the council record.
Sale price has grown by over 3x since 1998.
£540,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.3% per year over 20 years.
£430,000
Growth on file: 7.3% per year over 20 years.
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31 Betterton Drive outperforms the street on floor area by a wide margin.
Price per m²
£4,388
Street avg £3,754
Floor Area
98 m²
Street avg 90 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Albany Park - Hurst Road/Valentine Avenue — bus station.

Daytime· 07:00 – 23:00
48.9dB

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Extension: Single storey · Rear of property
Replacement of existing conservatory with a single storey rear extension.
Extension: Single storey · Rear of property
Lawful Development Certificate (Proposed) for a single storey rear extension
12 April 2018Most recent
£430,000
+110.8%over 15 years13 November 2002
£204,000
+88.9%over 4 years27 August 1998
£108,000
Median price across the last 5 sales in DA14 4PS: £440,000 (2024–2018).
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Every planning application and decision on record
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Energy costs, comparable sales, crime, schools and transport

Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.8 t/year
DA14 4PS
Closest school
0.6 km
Royal Park Primary Academy. 29 schools nearby.
Night-time· 23:00 – 07:00
40.3dB