21 Castle Street, Upnor, Rochester, ME2 4XR
About 21 Castle Street
21 Castle Street is a two-bedroom mid-terrace house in Upnor, Rochester, Rochester (ME2 4XR). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (December 2024) shows an E (score 42), well below the UK norm with real room to improve. The recommended improvements would lift it to A (score 93), a 4-band jump. Main heating runs on electricity. Our model identifies extension potential, subject to local planning policy.
It hasn't traded since December 2006, a hold of 20 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. Across 2002–2006, sale prices on this property compounded at 31.5% per year. Today's modelled estimate of £246,000 sits 51.4% above the 2006 sale of £162,500. On a £-per-square-foot basis, the last sale (£321/sq ft) was about 48.5% above the typical sold price in the postcode. At 47 m² it sits well below the postcode median (92 m² across 23 EPCs), making it one of the more compact homes locally.
What this property has
Inside
- Bedrooms2
Outside
- Private gardenYes
Building
- Extension potentialPossible
Everything you need to know about 21 Castle Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 2 December 2034
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
21 Castle Street has no planning applications on record.
But the area is active
11 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has grown by over 3x since 2002.
£246,000
Modelled from EPC, postcode comparables and a sale-price growth of 31.5% per year over 4 years.
£162,500
Growth on file: 31.5% per year over 4 years.
Sales timeline
8 December 2006Most recent
£162,500
+47.7%over 8 months6 April 2006
£110,000
+46.7%over 3 years30 October 2002
£75,000
+50.0%18 August 2002
£50,000
Median price across the last 5 sales in ME2 4XR: £280,000 (2026–2023).
Nearby sales in ME2 4XR
11 Castle Street, Upnor, Rochester, ME2 4XR
Sold Apr 2026
£280,00023 Castle Street, Upnor, Rochester, ME2 4XR
Sold Aug 2025
£260,00019 Castle Street, Upnor, Rochester, ME2 4XR
Sold Jul 2023
£292,50051 Castle Street, Upnor, Rochester, ME2 4XR
Sold Mar 2023
£440,00037a, Castle Street, Upnor, Rochester, ME2 4XR
Sold Feb 2023
£365,000
Versus other Castle Street homes
On floor area, 21 Castle Street runs well behind the street norm.
Price per m²
£3,457
Street avg £3,029
Floor Area
47 m²
Street avg 106 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
3.2 t/year
Street avg 4.6 t/year
Everything you need to know about 21 Castle Street
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Crime
240/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Castle — bus stop.
Closest school
0.7 km
Wainscott Primary School. 23 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.7dB

Night-time· 23:00 – 07:00
44.8dB






