Arley House, Tatchbury Lane, Winsor, Southampton, SO40 2GZ
About Arley House
Arley House is a detached house in Winsor, Southampton, Southampton (SO40 2GZ). It has a recorded floor area of 338 m² (around 3638 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (August 2021) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (July 2013); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on oil.
At 338 m² the property is well over the postcode median (188 m² across 5 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a porch and a conservatory, meaningful when judging how the property has evolved. Across 2014–2021, sale prices on this property compounded at 1.9% per year. Today's modelled estimate of £1,389,000 is 20.8% above the 2021 sale price. Sold September 2021 for £1,150,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Arley House's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property is a large detached home over 300m², has been extended more than once, and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
Multiple extension applications run across more than a decade of planning history at Arley House.
3 applications on record at Arley House, Tatchbury Lane, Winsor, Southampton, SO40 2GZ
- Jul 2004ConservatoryFullOutcome in report
Front conservatory
Extension- Documents
- 4 docs on file
- Reference
- 04/81567
- More recent applications — locked
- PorchJun 2015Decision
- ExtensionJun 2015Decision
Unlock Arley House, Tatchbury Lane, Winsor, Southampton, SO40 2GZ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 2 notable nearby
- The 22 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
Latest sale on Arley House was the highest on Land Registry record across the postcode.
£1,389,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 7 years.
£1,150,000
Growth on file: 1.9% per year over 7 years.
Sales timeline
29 September 2021Most recent
£1,150,000
+15.0%over 7 years25 May 2014
£1,000,000
Median price across the last 5 sales in SO40 2GZ: £536,500 (2025–2017).
Versus other Tatchbury Lane homes
Arley House is notably below the street on price per m².
Price per m²
£3,402
Street avg £4,733
Floor Area
338 m²
Street avg 194 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
15.0 t/year
Street avg 8.1 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.6 km
The White Horse — bus stop.
Closest school
0.6 km
Netley Marsh Church of England Infant School. 11 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
49.3dB

Night-time· 23:00 – 07:00
41.3dB







