14 Blackwell Avenue, Guildford, GU2 8LU
About 14 Blackwell Avenue
14 Blackwell Avenue is a semi-detached house in Guildford (GU2 8LU). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (June 2024) shows an E (score 45), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 86), a 3-band jump. Main heating runs on electricity.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 5 planning records sit against the property, 3 approved, 2 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£459/sq ft) was about 50.3% above the typical sold price in the postcode. Most recent transfer: July 2024 at £450,000.
Everything you need to know about 14 Blackwell Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
14 Blackwell Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
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Planning history
A a single-storey rear extension application was refused at 14 Blackwell Avenue in 2025.
5 applications on record at 14 Blackwell Avenue, Guildford, GU2 8LU
- Sept 2024DemolitionFullOutcome in report
Proposed construction of a pair of semi-detached two-storey dwellings, together with landscaping and access, following demolition of the existing garage (site address amended 06/11/2023).
- Documents
- 34 docs on file
- Reference
- 23/P/01771
- More recent applications — locked
- ExtensionDec 2025Decision
- ExtensionNov 2025Decision
+ 2 more applications in the report
Unlock 14 Blackwell Avenue, Guildford, GU2 8LU's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (5 on record)
- All 5 applications on this property in full, plus 36 notable nearby
- The 72 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
14 Blackwell Avenue valuation sits well clear of the typical sold price in this postcode.
£418,000
Modelled from EPC, postcode comparables.
£450,000
Recorded with HM Land Registry.
Sales timeline
25 July 2024Most recent
£450,000
Median price across the last 5 sales in GU2 8LU: £405,000 (2025–2021).
Nearby sales in GU2 8LU
20 Blackwell Avenue, Guildford, GU2 8LU
Sold Nov 2025
£400,00020a, Blackwell Avenue, Guildford, GU2 8LU
Sold Aug 2024
£405,00025 Blackwell Avenue, Guildford, GU2 8LU
Sold Sept 2022
£510,00023 Blackwell Avenue, Guildford, GU2 8LU
Sold Aug 2021
£425,0001 Blackwell Avenue, Guildford, GU2 8LU
Sold May 2021
£395,000
Versus other Blackwell Avenue homes
On epc rating, 14 Blackwell Avenue runs well behind the street norm.
Price per m²
£4,945
Street avg £3,748
Floor Area
91 m²
Street avg 99 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.6 t/year
Street avg 3.3 t/year
Everything you need to know about 14 Blackwell Avenue
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Blackwell Avenue — bus stop.
Closest school
0.5 km
Guildford Grove Primary School. 13 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
45.8dB

Night-time· 23:00 – 07:00
37.2dB






