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Get started21 Firmin Avenue, Boughton Monchelsea, Maidstone, ME17 4RD
4 sales on record
About 21 Firmin Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Firmin Avenue is a four-bedroom detached house in Boughton Monchelsea, Maidstone, Maidstone (ME17 4RD). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (September 2025) shows a C (score 74). The rating has held steady at C across 2 certificates since May 2011. Between certificates, roof efficiency went from Good to Very Good and lighting went from Average to Good; while window efficiency dropped from Average to Poor. Records show the property has been extended at some point in its history.
Sale prices here have outpaced Maidstone HPI: 4.2% per year against 0% for the wider region. Today's modelled estimate of £526,000 is 16.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£305/sq ft) was about 46% above the typical sold price in the postcode. Last sale on file: £450,000 in March 2021. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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
- Bathrooms3
- CloakroomYes
- StudyYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Sept 2025
EPC Rating
A
B
C
C74
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
3.0 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 Firmin Avenue has more than doubled in price since the earliest registered sale in 2000.
Current estimate
See how we calculated this£526,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 20 years.
Last sold (2021)
£450,000
Growth on file: 4.2% per year over 20 years.
Sales timeline
Versus other Firmin Avenue homes
Four headline reads against 9 similar houses on this street, drawn from the latest EPC and Land Registry data.
On co₂ emissions, 21 Firmin Avenue stands well clear of the street.
Price per m²
£3,285
Street avg £3,165
Floor Area
137 m²
Street avg 116 m²
Habitable Rooms
8 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 Maidstone district page.
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Road noise across the postcode
Modelled day and night-time noise levels around ME17 4RD from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
47.3dB
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 Firmin Avenue, Boughton Monchelsea, Maidstone, ME17 4RD. Each answer is also embedded as structured data for search engines.