21 Blackheath Grove, Wonersh, Guildford, GU5 0PU
About 21 Blackheath Grove
21 Blackheath Grove is a semi-detached house in Wonersh, Guildford, Guildford (GU5 0PU). It has a recorded floor area of 183 m² (around 1970 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (March 2016) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 79), a 2-band jump. The latest certificate is from March 2016, so improvements made since then won't be reflected.
Untraded for 20 years, with the last transfer in May 2006. At 183 m² the property is well over the postcode median (138 m² across 10 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). Across 2001–2006, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £779,000 sits 118.5% above the 2006 sale of £356,500. On a £-per-square-foot basis, the last sale (£181/sq ft) was about 42.4% below the postcode norm. One historical planning record sits against the property in 2013.
Energy performance
21 Blackheath Grove's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 28 Mar 2026
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Planning history
Council records include a two-storey extension at 21 Blackheath Grove.
1 application on record at 21 Blackheath Grove, Wonersh, Guildford, GU5 0PU
- Apr 2013ExtensionFullOutcome in report
Extension: Two storey
Erection of a two storey extension. (As amended by letter and plans received 28/03/2013).
- Documents
- 19 docs on file
- Reference
- WA/2013/0200
Unlock 21 Blackheath Grove, Wonersh, Guildford, GU5 0PU's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 7 notable nearby
- The 19 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Blackheath Grove valuation sits well clear of the typical sold price in this postcode.
£779,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 5 years.
£356,500
Growth on file: 5.1% per year over 5 years.
Sales timeline
11 May 2006Most recent
£356,500
+25.1%over 4 years2 November 2001
£285,000
Median price across the last 5 sales in GU5 0PU: £510,000 (2021–2012).
Nearby sales in GU5 0PU
29 Blackheath Grove, Wonersh, Guildford, GU5 0PU
Sold Sept 2021
£840,00022 Blackheath Grove, Wonersh, Guildford, GU5 0PU
Sold Nov 2020
£765,00018 Blackheath Grove, Wonersh, Guildford, GU5 0PU
Sold May 2018
£510,00027 Blackheath Grove, Wonersh, Guildford, GU5 0PU
Sold Dec 2016
£440,00028 Blackheath Grove, Wonersh, Guildford, GU5 0PU
Sold Oct 2012
£316,000
Versus other Blackheath Grove homes
Price per m² for 21 Blackheath Grove lags the street by a wide margin.
Price per m²
£1,948
Street avg £4,184
Floor Area
183 m²
Street avg 123 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
10.0 t/year
Street avg 4.9 t/year
Similar properties nearby
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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
1.0 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
45.1dB

Night-time· 23:00 – 07:00
38.7dB







