21 Knoll Road, Bexley, DA5 1AY
About 21 Knoll Road
21 Knoll Road is a detached house in Bexley (DA5 1AY). It has a recorded floor area of 164 m² (around 1760 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (February 2010) shows an F (score 37), near the bottom of the EPC scale. The recommended improvements would push it to E (score 52). The latest certificate is from February 2010, so improvements made since then won't be reflected.
It hasn't traded since August 2010, a hold of 16 years that's notably long for the area. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £962,000 sits 67.3% above the 2010 sale of £575,000. 12 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. The record references conservation-area consent, which constrain future alterations.
Energy performance
21 Knoll Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 Feb 2020
EPC Rating
Certificate validity
Expired on 25 February 2020
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,495 · Includes VAT
Planning history
21 Knoll Road has 3 separate extension applications on the council record.
12 applications on record at 21 Knoll Road, Bexley, DA5 1AY
- Jul 2002Tree WorksTreesOutcome in report
Section 211 - Pruning to various trees.
- Documents
- 1 doc on file
- Reference
- 02/02089/S211
- More recent applications — locked
- Tree WorksSept 2025Decision
- Tree WorksJan 2022Decision
+ 9 more applications in the report
Unlock 21 Knoll Road, Bexley, DA5 1AY's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (12 on record)
- All 12 applications on this property in full, plus 7 notable nearby
- The 43 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Knoll Road valuation sits well clear of the typical sold price in this postcode.
£962,000
Modelled from EPC, postcode comparables.
£575,000
Recorded with HM Land Registry.
Sales timeline
23 August 2010Most recent
£575,000
Median price across the last 5 sales in DA5 1AY: £810,000 (2024–2018).
Versus other Knoll Road homes
21 Knoll Road outperforms the street on years held by a wide margin.
Price per m²
£3,516
Street avg £4,358
Floor Area
164 m²
Street avg 153 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
12.0 t/year
Street avg 6.8 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
84/mo
Falling year-on-year across the wider district.
Nearest stop
0.3 km
Parkhurst Road — bus stop.
Closest school
0.4 km
Beths Grammar School. 35 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
57.5dB

Night-time· 23:00 – 07:00
49.6dB







