The Garden House, Haslingbourne Lane, Petworth, GU28 0JJ
About The Garden House
The Garden House is a three-bedroom detached house in Petworth (GU28 0JJ). It has a recorded floor area of 324 m² (around 3488 sq ft) and construction records dating it to 1900-1929. The latest certificate (September 2019) returns a high B (score 87), putting the home a stone's throw from an A rating. When first surveyed in August 2009 the rating was E, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Very Good, roof efficiency went from Average to Very Good and window efficiency went from Good to Very Good. Other recorded features include notable views, outbuildings and attached land beyond the plot.
At 324 m² the property is well over the postcode median (195 m² across 5 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £1,758,000 sits 96.4% above the 2017 sale of £895,000. On a £-per-square-foot basis, the last sale (£257/sq ft) was about 34.3% below the postcode norm. 6 planning records sit against the property, 5 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. 9 years since the last transfer (January 2017).
Know exactly what you're buying at The Garden House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Dining roomYes
Outside
- Private gardenYes
- GarageDouble
- OutbuildingsYes
- LandYes
- Notable viewsYes
Energy performance
The Garden House ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
High performance glazing installed
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Planning history
The Garden House has been through 5 approved planning applications — a well-evolved property.
- Oct 2018ConditionsIn report
Discharge of conditions 5, 6, 7, 9, 10 and 15 from planning permission SDNP/17/05404/FUL
- Documents
- 10 docs on file
- Reference
- SDNP/18/05113/DCOND
- Jan 2018New BuildFullIn report
Replacement dwelling, detached garage and associated external works.
- Documents
- 37 docs on file
- Reference
- SDNP/17/05404/FUL
What's in The Garden House, Haslingbourne Lane, Petworth, GU28 0JJ's planning history?
4 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
The Garden House valuation sits well clear of the typical sold price in this postcode.
£1,758,000
Modelled from EPC, postcode comparables.
£895,000
Recorded with HM Land Registry.
Sales timeline
25 January 2017Most recent
£895,000
Median price across the last 5 sales in GU28 0JJ: £820,000 (2024–1997).
Everything we know about The Garden House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Haslingbourne Lane homes
The Garden House is notably below the street on price per m².
Price per m²
£2,762
Street avg £9,031
Floor Area
324 m²
Street avg 284 m²
CO₂ Emissions
3.5 t/year
Street avg 14.7 t/year
Years Held
9 years
Street avg 3 years
Similar properties nearby
1 Burton House, Burton Park, Duncton
GU28 0QU
1 Chestnut Cottages, Byworth
GU28 0HP
1 Boderton Mews, Burton Park, Duncton
GU28 0LS
1 Downview Road
GU28 0EU
1 Chequers Court, Station Road
GU28 0ES
1 Blackberry Road
GU28 0PF
1 Church View, Angel Street
GU28 0BG
1 Biddulph Mews, Duncton
GU28 0PD
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.9 km
Village — bus stop.
Closest school
1.1 km
Petworth Cof E Primary School. 2 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
43.8dB

Night-time· 23:00 – 07:00
36.1dB