Roslyn, Barnett Lane, Wonersh, Guildford, GU5 0SA
About Roslyn
Roslyn is a detached house in Wonersh, Guildford, Guildford (GU5 0SA). It has a recorded floor area of 165 m² (around 1776 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (September 2025) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in September 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good. The recommended improvements would push it to C (score 79).
At 165 m² the property is well over the postcode median (104 m² across 16 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £947,000 sits 105.9% above the 2014 sale of £460,000. On a £-per-square-foot basis, the last sale (£259/sq ft) was about 23.8% below the postcode norm. On the market in September 2014 and unlisted since — roughly 12 years. 2 planning records sit against the property, 0 approved, 1 refused.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
2 applications on record at Roslyn, Barnett Lane, Wonersh, Guildford, GU5 0SA
- Jun 2015ExtensionFullOutcome in report
Erection of extensions and alterations.
- Documents
- 12 docs on file
- Reference
- WA/2015/0847
- More recent applications — locked
- ExtensionSept 2015Decision
Unlock Roslyn, Barnett Lane, Wonersh, Guildford, GU5 0SA's full planning history
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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 7 notable nearby
- The 37 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Roslyn valuation sits well clear of the typical sold price in this postcode.
£947,000
Modelled from EPC, postcode comparables.
£460,000
Recorded with HM Land Registry.
Sales timeline
29 September 2014Most recent
£460,000
Median price across the last 5 sales in GU5 0SA: £610,000 (2020–2015).
Nearby sales in GU5 0SA
5 Barnett Lane, Wonersh, Guildford, GU5 0SA
Sold Nov 2020
£575,000Sandgate, Barnett Lane, Wonersh, Guildford, GU5 0SA
Sold Aug 2019
£620,000Magnolia Cottage, Barnett Lane, Wonersh, Guildford, GU5 0SA
Sold Apr 2019
£720,000Autumn Cottage, Barnett Lane, Wonersh, Guildford, GU5 0SA
Sold Sept 2018
£610,000Mellstock, Barnett Lane, Wonersh, Guildford, GU5 0SA
Sold Jul 2015
£515,750
Versus other Barnett Lane homes
Price per m² for Roslyn lags the street by a wide margin.
Price per m²
£2,788
Street avg £4,403
Floor Area
165 m²
Street avg 108 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
5.7 t/year
Street avg 4.9 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
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Blackheath Lane — bus stop.
Closest school
1.2 km
Tillingbourne Junior School. 5 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
45.4dB

Night-time· 23:00 – 07:00
38.9dB







