12 Blackwell Avenue, Guildford, GU2 8LU
About 12 Blackwell Avenue
12 Blackwell Avenue is an end-of-terrace house in Guildford (GU2 8LU). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (July 2018) shows a C (score 71). The recommended improvements would push it to B (score 86).
5 planning records sit against the property, 2 approved, 2 refused, 1 pending. An application is currently awaiting a decision. At 114 m² it's 28.1% larger than the typical home in the postcode (89 m² median across 25 EPCs). On a £-per-square-foot basis, the last sale (£359/sq ft) was about 17.3% above the typical sold price in the postcode. Last sold in February 2017, so it's been off the market for around 9 years.
Everything you need to know about 12 Blackwell Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
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Planning history
There is a planning application currently awaiting a decision.
5 applications on record at 12 Blackwell Avenue, Guildford, GU2 8LU
1 live now- Feb 2019HMOFullOutcome in report
Change of use of dwelling (Class C3) to a 7 bedroom HMO (sui generis) (retrospective).
Retrospective- Documents
- 7 docs on file
- Reference
- 18/P/02124
- More recent applications — locked
- ConditionsApr 2026Decision
- FullMar 2026Decision
+ 2 more applications in the report
Unlock 12 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- Every decision — granted, refused or withdrawn (4 on record)
- All 5 applications on this property in full, plus 36 notable nearby
- The 34 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12 Blackwell Avenue valuation sits well clear of the typical sold price in this postcode.
£465,000
Modelled from EPC, postcode comparables.
£440,000
Recorded with HM Land Registry.
Sales timeline
10 February 2017Most recent
£440,000
Median price across the last 5 sales in GU2 8LU: £425,000 (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
£405,00014 Blackwell Avenue, Guildford, GU2 8LU
Sold Jul 2024
£450,00025 Blackwell Avenue, Guildford, GU2 8LU
Sold Sept 2022
£510,00023 Blackwell Avenue, Guildford, GU2 8LU
Sold Aug 2021
£425,000
Versus other Blackwell Avenue homes
Habitable Rooms for 12 Blackwell Avenue runs comfortably ahead of the street norm.
Price per m²
£3,860
Street avg £3,798
Floor Area
114 m²
Street avg 98 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.4 t/year
Everything you need to know about 12 Blackwell Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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






