ROCK HOUSE, GU28 9BH is a Detached in Petworth, West Sussex, England. It last sold for £1,450,000 in 2025. Its current EPC rating is E (score 40 out of 100), with potential to reach B. Floor area is approximately 159 m². This works out at about £9,119 per m², 78% above the town average of £5,117 per m² (context, not a valuation). Tenure: Freehold. Local authority: Chichester.
ROCK HOUSE, RIVER COMMON
PETWORTH, WEST SUSSEX · GU28 9BH
Things you should know
A quick summary of this property, drawn from its records.
It's a detached property, held freehold, with 159 m² of floor area.
Last sold for £1,450,000 in May 2025 — its only sale on record. · HM Land Registry
That sale works out at ~£9,119/m² — 78% above the town average of £5,117/m² (437 sales). · Context, not a valuation
Energy rating EPC E (score 40/100), with potential to reach B. · EPC, inspected 2021
Built Before 1900. · Construction age band, from EPC
Facts from HM Land Registry (sales) and the EPC register (energy), under the Open Government Licence. Area comparisons are context, not a valuation or financial advice. Figures are as per our current dataset, which we're expanding continually.
Property Overview
Key facts from EPC & HM Land Registry records.
Built Form
Detached
Tenure
Freehold
Floor Area
159 m²
≈ 1,711 sq ft
Year Built
Before 1900
Construction age band, from EPC
Current EPC Rating
Band E · Score 40/100
Potential Band B · Valid until 27 May 2031
Local Authority
Chichester↗
📍 Approximate location based on postcode centroid. Exact pin coming soon.
Value Insights
Price metrics derived from sale price and floor area.
Price per square metre
£9,119 /m²
Based on the 2025 sale
£/m² vs PETWORTH
+78% above the average sale price
Area avg £5,117/m² · 437 sales
Floor area
159 m²
≈ 1,711 sq ft · from EPC
Last sale price
£1,450,000
20 May 2025
How This Compares
How this property's 2025 sale price of £1,450,000 compares with the average sale price nearby — based on recorded house prices (not £/m²).
vs GU28 postcode area
GU28 average sale price: £726,589 · based on 530 sales
vs PETWORTH average
PETWORTH average sale price: £726,589 · based on 530 sales
Averages are across all property types sold 2020–2026 in our dataset, so they reflect the mix of homes in the area rather than like-for-like.
Sales History
1 sale recorded
Last sold
£1,450,000
20 May 2025
20 May 2025
Latest£1,450,000
Detached · Freehold
Only one sale is recorded for this property, so change and annualised return can't be calculated yet. They'll appear automatically if it sells again.
EPC Intelligence
Energy Performance Certificate history for this property.
Energy Efficiency Over Time
Year-on-year EPC score progression for this property.
EPC energy efficiency scores for ROCK HOUSE. The property scored 61 (Rating D) in 2019 and 40 (Rating E) in 2021, a change of 21 points.
Point change
2019 to 2021
Summary: EPC energy efficiency scores for ROCK HOUSE. The property scored 61 (Rating D) in 2019 and 40 (Rating E) in 2021, a change of 21 points.
Rating E · Score 40
LatestInspected 27 May 2021
Valid until 27 May 2031
Potential
Floor Area
159 m²
Construction Era
Before 1900
CO₂ Emissions
15 t/yr
Mains Gas
No
Walls
Solid brick, as built, no insulation (assumed)
Very PoorRoof
Pitched, 200 mm loft insulation
GoodWindows
Partial double glazing
PoorMain Heating
Electric storage heaters
AverageRating D · Score 61
Inspected 13 May 2019
Valid until 13 May 2029
Potential
Floor Area
66 m²
Construction Era
1996–2002
CO₂ Emissions
3.9 t/yr
Mains Gas
No
Walls
Solid brick, as built, insulated (assumed)
GoodRoof
Roof room(s), insulated (assumed)
GoodWindows
Fully double glazed
GoodMain Heating
Electric storage heaters, Electric storage heaters
PooriHow is the EPC score calculated?
The score (1–100) is the property's energy efficiency rating, produced by an accredited Domestic Energy Assessor using the UK Government's Standard Assessment Procedure (SAP). A higher score means a more energy-efficient home that's cheaper to run.
It's calculated from the property's physical characteristics, including:
- Size & floor area
- Construction & age
- Wall, roof & floor insulation
- Windows / glazing
- Main heating & controls
- Hot water & lighting
These are the factors shown in the certificates above. The score maps to a band — A (92–100, most efficient) down to G(1–20). The "potential" score is what could be achieved with the recommended improvements. Source: MHCLG EPC Register.
Schools
Schools and Ofsted ratings near this property.
Explore schools in PETWORTH
Primary & secondary schools, Ofsted ratings and catchment info — on UKTeachingJobs
School data is provided by our partner site UKTeachingJobs.com (opens in a new tab).
Property Intelligence
More intelligence coming to this property profile.
Planning Intelligence
Planning applications and decisions for this property and surrounding area.
Transport Intelligence
Nearby transport links, stations and travel times.
Environmental Intelligence
Flood risk, air quality and environmental data.
Crime Intelligence
Local crime statistics and trends for this area.
Valuation Intelligence
Automated valuation model and local price trend analysis.