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About 21 Chiltern Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Chiltern Avenue is a semi-detached house in High Wycombe (HP12 3UR). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (March 2016) shows a C (score 70). The recommended improvements would push it to B (score 85). The latest certificate is from March 2016, so improvements made since then won't be reflected.
Held since December 2006 — that's 19 years off the open market, well above the local norm. At 97 m² the property is well over the postcode median (73 m² across 29 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £385,000 sits 92.5% above the 2006 sale of £199,950.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Mar 2026
EPC Rating
A
B
C
C70
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.4 t/year
Occupancy
Owner Occupied
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
21 Chiltern Avenue valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£385,000
Modelled from EPC, postcode comparables.
Last sold (2006)
£199,950
Recorded with HM Land Registry.
Sales timeline
Versus other Chiltern Avenue homes
Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.
On price per m², 21 Chiltern Avenue stands well clear of the street.
Price per m²
£2,061
Street avg £2,140
Floor Area
97 m²
Street avg 108 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 High Wycombe district page.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Rutland Avenue Shops — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around HP12 3UR from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
50.7dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 46 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Chiltern Avenue, High Wycombe, HP12 3UR. Each answer is also embedded as structured data for search engines.