Southdown House, The Mount, Guildford, GU2 4RH
About Southdown House
Southdown House is a five-bedroom detached house in Guildford (GU2 4RH). It has a recorded floor area of 435 m² (around 4682 sq ft). The latest certificate (April 2017) returns a high B (score 89), putting the home a stone's throw from an A rating. The rating has held steady at B across 2 certificates since March 2017. Between certificates, roof efficiency went from Good to Very Good and window efficiency went from Good to Very Good. Other recorded features include outbuildings and attached land beyond the plot.
At 435 m² the property is well over the postcode median (314 m² across 12 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2023. Past consents include an extension, a basement excavation and an annexe, meaningful when judging how the property has evolved. Across 2017–2022, sale prices on this property compounded at 4.2% per year. On a £-per-square-foot basis, the last sale (£719/sq ft) was about 132.4% above the typical sold price in the postcode. Sold June 2022 for £3,366,350. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms5
- Dining roomYes
Outside
- Private gardenYes
- ParkingYes
- OutbuildingsYes
- LandYes
Energy performance
Achieving this rating across a home of this size is uncommon — larger homes typically score lower.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
High performance glazing installed
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property is a large detached home over 300m² and has permanent outbuildings, we believe a Level 3 building survey should be considered.
Planning history
1 application on record at Southdown House, The Mount, Guildford, GU2 4RH
- Dec 2023BasementFullOutcome in report
Alterations to the existing garage comprising installation of dormer windows at roof level, excavation to reduce floor level of the garage and the replacement of garage door with windows and a door to allow for the conversion of the garage to a boot room and an annexe at ground level and within the extended roof space. Erection of detached garage and gym to front.
ExtensionAnnex- Documents
- 17 docs on file
- Reference
- 23/P/01737
Unlock Southdown House, The Mount, Guildford, GU2 4RH's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- The 17 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on Southdown House was the highest on Land Registry record across the postcode.
£3,165,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 5 years.
£3,366,350
Growth on file: 4.2% per year over 5 years.
Sales timeline
21 June 2022Most recent
£3,366,350
+22.4%over 4 years9 August 2017
£2,750,000
Median price across the last 5 sales in GU2 4RH: £1,000,000 (2022–2012).
Nearby sales in GU2 4RH
Langford House, The Mount, Guildford, GU2 4RH
Sold Dec 2022
£2,235,000Chantry View, The Mount, Guildford, GU2 4RH
Sold Jan 2019
£2,212,5004 Henley Fort Bungalows, The Mount, Guildford, GU2 4RH
Sold Oct 2014
£650,000Guildown Heights, The Mount, Guildford, GU2 4RH
Sold Oct 2012
£1,000,0001 Henley Fort Bungalows, The Mount, Guildford, GU2 4RH
Sold Dec 2008
£325,000
Versus other The Mount homes
Southdown House outperforms the street on price per m² by a wide margin.
Price per m²
£7,739
Street avg £4,205
Floor Area
435 m²
Street avg 279 m²
CO₂ Emissions
4.3 t/year
Street avg 4.0 t/year
Years Held
4 years
Street avg 16 years
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Friar's Gate — bus stop.
Closest school
0.6 km
Guildford County School. 14 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
47.0dB

Night-time· 23:00 – 07:00
39.1dB







