3 Blackwell Avenue, Guildford, GU2 8LU
About 3 Blackwell Avenue
3 Blackwell Avenue is a semi-detached house in Guildford (GU2 8LU). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (November 2020) shows a D (score 57), a step below the typical UK home. The recommended improvements would lift it to B (score 86), a 2-band jump.
One planning record on file: an extension approved in 2023. Past consents include an extension, a garage conversion and a porch, meaningful when judging how the property has evolved. Across 2002–2021, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £465,000 is 15.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£420/sq ft) was about 34.3% above the typical sold price in the postcode. Last sale on file: £402,500 in May 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 3 Blackwell Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
1 application on record at 3 Blackwell Avenue, Guildford, GU2 8LU
- Apr 2023Garage ConversionFullOutcome in report
Proposed garage conversion and porch infill under existing flat roof.
ExtensionPorch- Documents
- 9 docs on file
- Reference
- 23/P/00247
Unlock 3 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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 36 notable nearby
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
3 Blackwell Avenue has more than doubled in price since the earliest registered sale in 2002.
£465,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 19 years.
£402,500
Growth on file: 4.1% per year over 19 years.
Sales timeline
11 May 2021Most recent
£402,500
+111.8%over 18 years19 September 2002
£190,000
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
On epc rating, 3 Blackwell Avenue runs well behind the street norm.
Price per m²
£4,522
Street avg £3,768
Floor Area
89 m²
Street avg 99 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.9 t/year
Street avg 3.4 t/year
Everything you need to know about 3 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






