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Get startedGrosvenor 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.
Sale prices here have outpaced Worthing HPI: 5.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£450/sq ft) was about 81.7% above the typical sold price in the postcode. At 65 m² the property is well over the postcode median (47 m² across 35 EPCs), placing it in the larger end of the local stock. Most recent transfer: August 2024 at £315,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
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.
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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 48 m²
Habitable Rooms
3 rooms
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.

Daytime· 07:00 – 23:00
53.6dB

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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
Are we missing something? Tell us about home improvements to help adjust your valuation.
9 August 2024Most recent
£315,000
-10.0%over 5 years13 August 2018
£350,000
+42.9%over 10 months23 October 2017
£245,000
+137.9%over 16 years30 November 2000
£103,000
+39.2%over 2 years2 July 1998
£74,000
Median price across the last 5 sales in BN11 1PZ: £700,000 (2025–2022).
Detailed EPC data
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Full planning history
Every application and decision on record
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Comparable sales, transport, crime, schools and more

Street avg 2 rooms
CO₂ Emissions
4.0 t/year
Street avg 2.9 t/year
BN11 1EG
Closest school
0.5 km
St Mary's Catholic Primary School. 17 schools nearby.
Night-time· 23:00 – 07:00
42.5dB