21 Castle Avenue, Rochester, ME1 2DU
About 21 Castle Avenue
21 Castle Avenue is a mid-terrace house in Rochester (ME1 2DU). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (September 2024) shows a D (score 58), a step below the typical UK home. Earlier certificates rated it C (August 2019); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Very Poor and roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 79).
Across 1997–2024, sale prices on this property compounded at 6.6% per year. On a £-per-square-foot basis, the last sale (£264/sq ft) was about 63.1% above the typical sold price in the postcode. Sold December 2024 for £230,000.
Energy performance
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
21 Castle Avenue has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Price for 21 Castle Avenue has grown more than fourfold since the 1997 starting point.
£249,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 27 years.
£230,000
Growth on file: 6.6% per year over 27 years.
Sales timeline
2 December 2024Most recent
£230,000
+91.7%over 15 years2 April 2009
£120,000
+200.0%over 11 years25 September 1997
£39,995
Median price across the last 5 sales in ME1 2DU: £291,000 (2025–2023).
Nearby sales in ME1 2DU
Versus other Castle Avenue homes
Years Held for 21 Castle Avenue lags the street by a wide margin.
Price per m²
£2,840
Street avg £2,581
Floor Area
81 m²
Street avg 85 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.8 t/year
Street avg 3.8 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Rochester Health Centre — bus stop.
Closest school
0.4 km
St Peter's Infant School. 42 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
52.9dB

Night-time· 23:00 – 07:00
43.0dB







