Grosvenor House, Flat 6, Ambrose Place, Worthing, BN11 1PZ
About Grosvenor House
Grosvenor House is a two-bedroom detached house in Worthing (BN11 1PZ). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1950-1966 and council tax band C. At 65 m² this is the 5th smallest of 6 units on EPC record in Grosvenor House, where floor areas span 39–74 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (54 versus a best of 74). Other recorded features include a balcony. The latest certificate (July 2016) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since July 2009. Between certificates, roof efficiency went from Very Poor to Average; while hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 77), a 2-band jump.
At 65 m² the property is well over the postcode median (48 m² across 43 EPCs), placing it in the larger end of the local stock. Across 1998–2024, sale prices on this property compounded at 5.7% per year. On a £-per-square-foot basis, the last sale (£450/sq ft) was about 81.8% above the typical sold price in the postcode. Most recent transfer: August 2024 at £315,000.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- BalconyYes
Building
- LiftYes
- RefurbishedYes
Everything you need to know about Grosvenor House
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 Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Jul 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
Hot water efficiency decreased
Wall insulation improved
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
Grosvenor House 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
Price for Grosvenor House has grown more than fourfold since the 1998 starting point.
£333,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 26 years.
£315,000
Growth on file: 5.7% per year over 26 years.
Sales timeline
8 August 2024Most recent
£315,000
-10.0%over 5 years12 August 2018
£350,000
+42.9%over 10 months22 October 2017
£245,000
+137.9%over 16 years30 November 2000
£103,000
+39.2%over 2 years1 July 1998
£74,000
Median price across the last 5 sales in BN11 1PZ: £700,000 (2025–2022).
Nearby sales in BN11 1PZ
Versus other Ambrose Place homes
CO₂ Emissions for Grosvenor House lags the street by a wide margin.
Price per m²
£4,846
Street avg £9,204
Floor Area
65 m²
Street avg 49 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
4.0 t/year
Street avg 3.0 t/year
Everything you need to know about Grosvenor House
The true value, the hidden risks and the full sale history, in one report.
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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
5/mo
Steady 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






