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Get started11 Firmin Avenue is a four-bedroom detached house in Boughton Monchelsea, Maidstone, Maidstone (ME17 4RD). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (February 2014) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from February 2014, so improvements made since then won't be reflected.
Sale prices here have outpaced Maidstone HPI: 4.4% per year against 0% for the wider region. Today's modelled estimate of £475,000 is 48.4% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£407/sq ft) was about 97.8% above the typical sold price in the postcode. At 73 m² it sits well below the postcode median (120 m² across 9 EPCs), making it one of the more compact homes locally. Last changed hands 10 years ago, in November 2015.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 18 Feb 2024
11 Firmin Avenue valuation sits well clear of the typical sold price in this postcode.
£475,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 15 years.
£320,000
Growth on file: 4.4% per year over 15 years.
Price per m² for 11 Firmin Avenue runs comfortably ahead of the street norm.
Price per m²
£4,384
Street avg £3,027
Floor Area
73 m²
Street avg 123 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

30 November 2015Most recent
£320,000
+93.9%over 15 years25 August 2000
£165,000
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
3.2 t/year
Street avg 4.2 t/year
ME17 4FU
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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