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About 21 Castle Foundry
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Castle Foundry is a mid-terrace house in Penrith (CA11 7DH). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 2007-2011 and council tax band A. The latest certificate (February 2026) shows a C (score 79), near the top of the C band. When first surveyed in March 2025 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and roof efficiency went from Very Poor to Good; while lighting dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition. At 36 m² this is the 2nd smallest of 21 units on EPC record in the building, where floor areas span 18–137 m². The building's EPC ratings span E to B across 21 units on file.
At 36 m² it sits well below the postcode median (60 m² across 20 EPCs), making it one of the more compact homes locally.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
21 Castle Foundry's carbon output is low for the local stock.
Current Certificate(1 of 2)
Feb 2026
EPC Rating
A
B
C
C79
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
1.0 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
21 Castle Foundry has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£127,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Versus other Castle Foundry homes
Four headline reads against 14 similar flats on this street, drawn from the latest EPC and Land Registry data.
21 Castle Foundry is notably below the street on floor area.
EPC Rating
79 (C)
Street avg 77 (C)
Floor Area
36 m²
Street avg 67 m²
CO₂ Emissions
1.0 t/year
Street avg 1.9 t/year
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Penrith district page.
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Penrith North Lakes Rail Station — railway station.
Road noise across the postcode
Modelled day and night-time noise levels around CA11 7DH from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
54.8dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 8 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Castle Foundry, Penrith, CA11 7DH. Each answer is also embedded as structured data for search engines.