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Get started21 Birchwood Avenue, Sidcup, DA14 4JY
2 planning records
About 21 Birchwood Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Birchwood Avenue is a four-bedroom detached house in Sidcup (DA14 4JY). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (June 2014) shows an F (score 33), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 75), a 3-band jump. The latest certificate is from June 2014, so improvements made since then won't be reflected. Other recorded features include a conservatory.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. At 124 m² it's 16.2% smaller than the typical home in the postcode (148 m² median across 7 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Last sold in September 2014, so it's been off the market for around 12 years. Today's modelled estimate of £870,000 is 28.9% above the 2014 sale price.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
21 Birchwood Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 04 Jun 2024
Planning history
Applications and permits filed against 21 Birchwood Avenue, Sidcup, DA14 4JY, sourced from the PlanIt planning register.
Multiple extension applications run across more than a decade of planning history at 21 Birchwood Avenue.
- Jan 2015ExtensionFullGranted
Extension: Single storey · Rear of property
Single storey rear extension
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
21 Birchwood Avenue valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£870,000
Modelled from EPC, postcode comparables.
Last sold (2014)
£675,000
Recorded with HM Land Registry.
Sales timeline
Launch offer · 33% off
Buying 21 Birchwood Avenue, Sidcup, DA14 4JY? Know what you're getting into
Everything a buyer needs to know about this property, compiled into one in-depth report so there are no surprises after you offer.
Spot red flags before you buy
An AI-written breakdown of everything that matters
Versus other Birchwood Avenue homes
Four headline reads against 7 similar houses on this street, drawn from the latest EPC and Land Registry data.
21 Birchwood Avenue outperforms the street on years held by a wide margin.
Price per m²
£5,444
Street avg £5,105
Floor Area
124 m²
Street avg 159 m²
Habitable Rooms
6 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Sidcup district page.
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
Birchwood Avenue (DA14) — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around DA14 4JY from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
50.9dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 59 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Birchwood Avenue, Sidcup, DA14 4JY. Each answer is also embedded as structured data for search engines.
