Cartwright House 1a, Flat 5, Ambrose Place, Worthing, BN11 1PZ
About Cartwright House 1a
Cartwright House 1a is a mid-terrace house in Worthing (BN11 1PZ). It has a recorded floor area of 51 m² (around 549 sq ft) and construction records dating it to before 1900. At 51 m² this is the 5th smallest of 7 units on EPC record in Cartwright House 1a, where floor areas span 35–70 m². The building's EPC ratings span E to D, with this unit at the top. The latest certificate (July 2026) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in July 2016 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Average, lighting went from Poor to Good and main heating went from Very Poor to Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
Everything you need to know about Cartwright House 1a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Cartwright House 1a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 5 July 2036
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Hot water system upgraded
More low energy lighting installed
Heating system changed
Hot water system upgraded
Wall insulation improved
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 £820 · Includes VAT
Planning history
Cartwright House 1a has no planning applications on record.
But the area is active
15 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Cartwright House 1a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£184,000
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.
Median price across the last 5 sales in BN11 1PZ: £700,000 (2026–2025).
Nearby sales in BN11 1PZ
19 Ambrose Place, Worthing, BN11 1PZ
Sold Jan 2026
£290,000Flat 1, 15 Ambrose Place, Worthing, BN11 1PZ
Sold Sept 2025
£1,565,0009 Ambrose Place, Worthing, BN11 1PZ
Sold Mar 2025
£850,00017 Ambrose Place, Worthing, BN11 1PZ
Sold Mar 2025
£265,000Grosvenor House, Flat 6, Ambrose Place, Worthing, BN11 1PZ
Sold Aug 2024
£315,000
Versus other Ambrose Place homes
On co₂ emissions, Cartwright House 1a stands well clear of the street.
EPC Rating
64 (D)
Street avg 61 (D)
Floor Area
51 m²
Street avg 50 m²
CO₂ Emissions
0.8 t/year
Street avg 2.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about Cartwright House 1a
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
Rail-style transport is unusually close for this postcode.
Crime
327/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Library — bus stop.
Closest school
0.5 km
St Mary's Catholic Primary School. 17 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
53.6dB

Night-time· 23:00 – 07:00
42.5dB






