21 Aylesford Avenue, Beckenham, BR3 3SB
About 21 Aylesford Avenue
21 Aylesford Avenue is a three-bedroom mid-terrace house in Beckenham (BR3 3SB). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (July 2016) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 82), a 3-band jump. Our model identifies extension potential, subject to local planning policy.
Last sale on file: £517,500 in January 2020. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Across 2005–2020, sale prices on this property compounded at 5.2% per year. Today's modelled estimate of £603,000 is 16.5% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£601/sq ft) was about 50.6% above the typical sold price in the postcode.
Know exactly what you're buying at 21 Aylesford Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
- GarageDouble, Detached
Building
- Heating systemGas
- RefurbishedYes
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
21 Aylesford Avenue has an approved single-storey rear extension on the planning record.
- Feb 2017ExtensionOutlineIn report
Extension: Single storey · Rear of property
Single storey rear extension, extending beyond the rear wall of the original house by 3.6m, for which the maximum height would be 4m, and for which the height of the eaves would be 3m. (42 Day Notification for Householder Permitted Development Prior Approval)
- Documents
- 4 docs on file
- Reference
- 16/05895/HHPA
We flagged 2 things worth checking at 21 Aylesford Avenue
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
- Larger development activity nearby
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Sales history & valuation
21 Aylesford Avenue has more than doubled in price since the earliest registered sale in 2005.
£603,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.2% per year over 15 years.
£517,500
Growth on file: 5.2% per year over 15 years.
Sales timeline
29 January 2020Most recent
£517,500
+12.5%over 3 years6 December 2016
£460,000
+48.4%over 8 years14 March 2008
£310,000
+26.5%over 2 years4 April 2005
£245,000
Median price across the last 5 sales in BR3 3SB: £500,000 (2025–2019).
Nearby sales in BR3 3SB
Everything we know about 21 Aylesford Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
Versus other Aylesford Avenue homes
Price per m² for 21 Aylesford Avenue runs comfortably ahead of the street norm.
Price per m²
£6,469
Street avg £5,037
Floor Area
80 m²
Street avg 85 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.5 t/year
Street avg 4.2 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Abbots Way — bus stop.
Closest school
0.3 km
Monks Orchard Primary School. 45 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
52.0dB
Night-time· 23:00 – 07:00
42.1dB