8 Blackwell Avenue, Guildford, GU2 8LU
About 8 Blackwell Avenue
8 Blackwell Avenue is a six-bedroom semi-detached house in Guildford (GU2 8LU). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (January 2020) shows a C (score 73). The rating has held steady at C across 3 certificates since June 2009. Between certificates, roof efficiency went from Good to Very Good and lighting went from Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 88).
5 planning records sit against the property, 2 approved, 3 refused. Past consents include HMO conversion, an extension and a garage conversion, meaningful when judging how the property has evolved. Across 1998–2019, sale prices on this property compounded at 7.5% per year. Today's modelled estimate of £557,000 is 31.1% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£454/sq ft) was about 45% above the typical sold price in the postcode. 6 bedrooms is on the larger side for this postcode, where 3 is the typical count. Most recent transfer: November 2019 at £425,000.
What this property has
Inside
- Bedrooms6
- Bathrooms2
Everything you need to know about 8 Blackwell Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Roof insulation improved
More low energy lighting installed
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Planning history
A recent planning application at 8 Blackwell Avenue was refused — worth checking the council file.
5 applications on record at 8 Blackwell Avenue, Guildford, GU2 8LU
- Feb 2020Garage ConversionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension, and conversion of garage to provide habitable accommodation
Extension- Documents
- 8 docs on file
- Reference
- 19/P/02110
- More recent applications — locked
- HMOMay 2022Decision
- OutlineDec 2021Decision
+ 2 more applications in the report
Unlock 8 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- Every decision — granted, refused or withdrawn (5 on record)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 34 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for 8 Blackwell Avenue has grown more than fourfold since the 1998 starting point.
£557,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 21 years.
£425,000
Growth on file: 7.5% per year over 21 years.
Sales timeline
12 November 2019Most recent
£425,000
+354.5%over 21 years4 November 1998
£93,500
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
8 Blackwell Avenue outperforms the street on co₂ emissions by a wide margin.
Price per m²
£4,885
Street avg £3,751
Floor Area
87 m²
Street avg 99 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.5 t/year
Everything you need to know about 8 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






