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About 12 Bastion House
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
12 Bastion House is a mid-terrace house in Chichester (PO19 1QZ). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1991-1995 and council tax band B. At 48 m² this is the 6th smallest of 26 units on EPC record in the building, where floor areas span 42–136 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (February 2026) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (November 2010); the latest reading is one band lower. Between certificates, window efficiency dropped from Good to Poor and hot-water efficiency dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
At 48 m² it's 18.6% smaller than the typical home in the postcode (59 m² median across 25 EPCs).
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
12 Bastion House's carbon output is low for the local stock.
Current Certificate(1 of 2)
Feb 2026
EPC Rating
A
B
C
C80
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
0.8 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.
12 Bastion House 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£170,000
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.
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The complete analysis of 12 Bastion House, East Walls, Chichester, PO19 1QZ
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other East Walls homes
Four headline reads against 25 similar flats on this street, drawn from the latest EPC and Land Registry data.
On co₂ emissions, 12 Bastion House stands well clear of the street.
EPC Rating
80 (C)
Street avg 79 (C)
Floor Area
48 m²
Street avg 62 m²
CO₂ Emissions
0.8 t/year
Street avg 1.3 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 Chichester district page.
Reported crime in the wider district is trending notably upward year-on-year.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Road noise across the postcode
Modelled day and night-time noise levels around PO19 1QZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
53.6dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 46 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 12 Bastion House, East Walls, Chichester, PO19 1QZ. Each answer is also embedded as structured data for search engines.