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Get started3 Firmin Avenue is a detached house in Boughton Monchelsea, Maidstone, Maidstone (ME17 4RD). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (February 2026) shows a C (score 70). This certificate was lodged in the last six months, so the rating reflects current condition.
Untraded for 22 years, with the last transfer in January 2004. Sale prices here have outpaced Maidstone HPI: 12.5% per year against 0% for the wider region. Today's modelled estimate of £350,000 is 43.7% above the 2004 sale price.
The EPC has just been inspected, so the rating reflects current condition.
£350,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.5% per year over 4 years.
£243,500
Growth on file: 12.5% per year over 4 years.
On years held, 3 Firmin Avenue stands well clear of the street.
Price per m²
£2,194
Street avg £3,301
Floor Area
111 m²
Street avg 119 m²
Habitable Rooms
7 rooms
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

Daytime· 07:00 – 23:00
47.3dB

5 January 2004Most recent
£243,500
+62.3%over 4 years19 November 1999
£149,995
Median price across the last 5 sales in ME17 4RD: £440,000 (2025–2016).
7 Firmin Avenue Boughton Monchelsea Maidstone
Sold Mar 2025
21 Firmin Avenue Boughton Monchelsea Maidstone
Sold Mar 2021
9 Firmin Avenue Boughton Monchelsea Maidstone
Sold Aug 2018
19 Firmin Avenue Boughton Monchelsea Maidstone
Sold Oct 2016
17 Firmin Avenue Boughton Monchelsea Maidstone
Sold Feb 2016
Street avg 7 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.1 t/year
ME17 4JZ
Wrangleden Road — bus stop.
Closest school
0.7 km
Leigh Academy Tree Tops. 16 schools nearby.
Night-time· 23:00 – 07:00
37.2dB
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