21 County Gate, Bexley, London, SE9 3UB
About 21 County Gate
21 County Gate is a three-bedroom semi-detached house in Bexley, London, London (SE9 3UB). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2019) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 88), a 2-band jump.
4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £555,000 is 16.8% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£460/sq ft) was about 32.3% above the typical sold price in the postcode. At 96 m² it's 22% smaller than the typical home in the postcode (123 m² median across 17 EPCs). Last sale on file: £475,000 in June 2019.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- GarageYes
Building
- Heating systemGas
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
A recent planning application at 21 County Gate was refused — worth checking the council file.
- Apr 2025ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of single storey rear extension.
- Documents
- 8 docs on file
- Reference
- 25/00460/FUL
- Jan 2025ExtensionOutlineIn report
Extension: Single storey · Rear of property
The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 6.00 metres, for which the maximum height would be 3.70 metres, and for which the height of the eaves would be 2.70 metres.
- Documents
- 6 docs on file
- Reference
- 24/03034/GPDE
We flagged 1 thing worth checking at 21 County Gate
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
£555,000
Modelled from EPC, postcode comparables.
£475,000
Recorded with HM Land Registry.
Sales timeline
27 June 2019Most recent
£475,000
Median price across the last 5 sales in SE9 3UB: £510,000 (2024–2021).
Nearby sales in SE9 3UB
Versus other County Gate homes
21 County Gate is notably below the street on floor area.
Price per m²
£4,948
Street avg £4,303
Floor Area
96 m²
Street avg 122 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
4.6 t/year
Street avg 5.6 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
County Gate — bus stop.
Closest school
0.5 km
Dulverton Primary School. 32 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.9dB

Night-time· 23:00 – 07:00
43.8dB








