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Get started21 Willowherb Close is a three-bedroom detached house in St. Marys Island, Chatham, Chatham (ME4 3HQ). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (January 2021) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 5.6% per year against 0% for the wider region. Today's modelled estimate of £436,000 is 16.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£415/sq ft) was about 93.2% above the typical sold price in the postcode. At 84 m² it's 20.8% smaller than the typical home in the postcode (106 m² median across 14 EPCs). Most recent transfer: May 2021 at £375,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
21 Willowherb Close has more than tripled in price since its earliest registered sale in 1999.
£436,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 22 years.
£375,000
Growth on file: 5.6% per year over 22 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
On price per m², 21 Willowherb Close stands well clear of the street.
Price per m²
£4,464
Street avg £3,285
Floor Area
84 m²
Street avg 106 m²
Habitable Rooms
4 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Haven Way — bus stop.

Daytime· 07:00 – 23:00
47.2dB

19 May 2021Most recent
£375,000
+124.6%over 17 years30 May 2003
£167,000
+47.8%over 4 years14 April 1999
£113,000
Median price across the last 5 sales in ME4 3HQ: £407,000 (2025–2021).
14 Willowherb Close St Marys Island Chatham
Sold Aug 2025
16 Willowherb Close St Marys Island Chatham
Sold Apr 2022
27 Willowherb Close St Marys Island Chatham
Sold Nov 2021
18 Willowherb Close St Marys Island Chatham
Sold Mar 2021
23 Willowherb Close St Marys Island Chatham
Sold Feb 2021
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Street avg 5 rooms
CO₂ Emissions
3.3 t/year
Street avg 3.6 t/year
ME4 3JG
Closest school
0.5 km
St Mary's Island Church of England (Aided) Primary School. 19 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
37.8dB