1 Cobb Green, Watford, WD25 7HZ
About 1 Cobb Green
1 Cobb Green is a three-bedroom detached house in Watford (WD25 7HZ). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 2007 onwards and council tax band D. At 58 m² this is the 4th smallest of 36 units on EPC record in the building, where floor areas span 56–144 m². The building's EPC ratings span E to C, with this unit at the top. Our model identifies extension potential, subject to local planning policy. The latest certificate (March 2020) shows a C (score 80), near the top of the C band. The rating has held steady at C across 3 certificates since April 2013. Between certificates, hot-water efficiency went from Good to Very Good and lighting went from Very Poor to Very Good.
5 planning records sit against the property, 2 approved, 2 refused. Past consents include an extension, a loft conversion and a porch, meaningful when judging how the property has evolved. Across 2006–2020, sale prices on this property compounded at 3.1% per year. On a £-per-square-foot basis, the last sale (£693/sq ft) was about 152.9% above the typical sold price in the postcode. At 58 m² it's 23.7% smaller than the typical home in the postcode (76 m² median across 35 EPCs). Most recent transfer: July 2020 at £432,500.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
- ParkingOff street
Building
- Extension potentialPossible
Energy performance
1 Cobb Green's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 4 March 2030
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
Loft insulation upgraded to recommended levels
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Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
5 applications on record at 1 Cobb Green, Watford, WD25 7HZ
- Apr 2005New BuildOutlineOutcome in report
Erection of a detached dwelling
- Documents
- 8 docs on file
- Reference
- 05/00170/OUT
- More recent applications — locked
- Loft ConversionJul 2019Decision
- ExtensionMar 2015Decision
+ 2 more applications in the report
Unlock 1 Cobb Green, Watford, WD25 7HZ'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- Every decision — granted, refused or withdrawn (5 on record)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
- The 54 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£410,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 14 years.
£432,500
Growth on file: 3.1% per year over 14 years.
Sales timeline
9 July 2020Most recent
£432,500
+74.7%over 12 years13 August 2007
£247,500
-11.6%over 1 year15 February 2006
£280,000
Median price across the last 5 sales in WD25 7HZ: £340,000 (2023–2016).
Versus other Cobb Green homes
Price per m² for 1 Cobb Green runs comfortably ahead of the street norm.
Price per m²
£7,457
Street avg £3,567
Floor Area
58 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.3 t/year
Street avg 1.8 t/year
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The neighbourhood at a glance
Crime
214/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Newhouse Crescent — bus stop.
Closest school
0.2 km
Alban Wood Primary School and Nursery. 22 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
50.1dB

Night-time· 23:00 – 07:00
41.6dB







