7 Dellfield Close, Watford, WD17 4LB
About 7 Dellfield Close
7 Dellfield Close is a detached house in Watford (WD17 4LB). It has a recorded floor area of 196 m² (around 2110 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (December 2025) returns a high B (score 86), putting the home a stone's throw from an A rating. When first surveyed in November 2015 the rating was C, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good; while window efficiency dropped from Average to Poor.
On energy efficiency it sits in the top 10% of properties in this postcode. A recent sale: £1,130,000 in June 2025. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £1,280,000 is 13.3% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£536/sq ft) was about 54.4% above the typical sold price in the postcode.
Energy performance
7 Dellfield Close ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 18 December 2035
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
Solar PV panels (30 kWp) installed
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Planning history
A a single-storey rear extension application was refused at 7 Dellfield Close in 2025.
2 applications on record at 7 Dellfield Close, Watford, WD17 4LB
- Sept 2025ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.0m for which the maximum height would be 3.0m and for which the height of the eaves would be 2.80m
- Documents
- 9 docs on file
- Reference
- 25/00772/HPD
- More recent applications — locked
- ExtensionOct 2025Decision
Unlock 7 Dellfield Close, Watford, WD17 4LB's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 3 notable nearby
- The 19 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
7 Dellfield Close valuation sits well clear of the typical sold price in this postcode.
£1,280,000
Modelled from EPC, postcode comparables.
£1,130,000
Recorded with HM Land Registry.
Sales timeline
22 June 2025Most recent
£1,130,000
Median price across the last 5 sales in WD17 4LB: £1,025,000 (2022–2001).
Nearby sales in WD17 4LB
Versus other Dellfield Close homes
Years Held for 7 Dellfield Close lags the street by a wide margin.
Price per m²
£5,765
Street avg £4,054
Floor Area
196 m²
Street avg 187 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
4.7 t/year
Street avg 10.3 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
266/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Herga Court — bus stop.
Closest school
0.5 km
Lanchester Primary School. 38 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
51.3dB

Night-time· 23:00 – 07:00
41.5dB







