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Get startedGrosvenor House is a one-bedroom semi-detached house in Worthing (BN11 1PZ). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1900-1929 and council tax band B. At 45 m² this is the 3rd 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 top. The latest certificate (July 2020) shows a C (score 71). When first surveyed in February 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while wall efficiency dropped from Average to Very Poor.
Sale prices here have outpaced Worthing HPI: 9% per year against 0% for the wider region. Today's modelled estimate of £188,000 is 11.2% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£349/sq ft) was about 40.3% above the typical sold price in the postcode. On the market in June 2017 and unlisted since — roughly 9 years. Across the public record there are 5 sales, relatively high churn for a single property. Its energy rating outperforms most of the postcode (better than 86% of similar EPCs).
Grosvenor House has more than quadrupled in price since its earliest registered sale in 1996.
£188,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.0% per year over 21 years.
£169,000
Growth on file: 9.0% per year over 21 years.
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CO₂ Emissions for Grosvenor House runs comfortably ahead of the street norm.
Price per m²
£3,756
Street avg £9,325
Floor Area
45 m²
Street avg 48 m²
Habitable Rooms
2 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
Single glazing replaced with double or better glazing
More low energy lighting installed
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30 June 2017Most recent
£169,000
+9.0%over 1 year14 January 2016
£155,000
+47.6%over 6 years5 May 2009
£105,000
+191.7%over 11 years6 March 1998
£36,000
+26.3%over 1 year11 October 1996
£28,500
Median price across the last 5 sales in BN11 1PZ: £700,000 (2025–2022).
Detailed EPC data
Full energy ratings, history and recommendations
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
1.7 t/year
Street avg 3.0 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