40 Hilfield Lane, Aldenham, Watford, WD25 8AJ
About 40 Hilfield Lane
40 Hilfield Lane is a four-bedroom semi-detached house in Aldenham, Watford, Watford (WD25 8AJ). It has a recorded floor area of 181 m² (around 1948 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (October 2010) shows a D (score 57), a step below the typical UK home. The latest certificate is from October 2010, so improvements made since then won't be reflected.
At 181 m² the property is well over the postcode median (125 m² across 22 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 13 years ago, in May 2013. Across 1996–2013, sale prices on this property compounded at 8.4% per year. Today's modelled estimate of £833,000 is 49.4% above the 2013 sale price.
What this property has
Inside
- Bedrooms4
Energy performance
40 Hilfield Lane'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This certificate is over 10 years old and is no longer valid.Expired 14 Oct 2020
EPC Rating
Certificate validity
Expired on 14 October 2020
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,360 · Includes VAT
Planning history
40 Hilfield Lane has 2 separate extension applications on the council record.
2 applications on record at 40 Hilfield Lane, Aldenham, Watford, WD25 8AJ
- May 2003ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension.
- Documents
- 1 doc on file
- Reference
- TP/03/0380
- More recent applications — locked
- ExtensionOct 2003Decision
Unlock 40 Hilfield Lane, Aldenham, Watford, WD25 8AJ'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- Every decision — granted, refused or withdrawn (2 on record)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 2 notable nearby
- The 2 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
Sale price has grown by over 3x since 1996.
£833,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.4% per year over 17 years.
£557,500
Growth on file: 8.4% per year over 17 years.
Sales timeline
6 May 2013Most recent
£557,500
+16.1%over 6 years24 November 2006
£480,000
+231.0%over 10 years15 September 1996
£145,000
Median price across the last 5 sales in WD25 8AJ: £765,000 (2025–2024).
Nearby sales in WD25 8AJ
30 Hilfield Lane, Aldenham, Watford, WD25 8AJ
Sold Aug 2025
£790,00010 Hilfield Lane, Aldenham, Watford, WD25 8AJ
Sold Mar 2025
£750,00026 Hilfield Lane, Aldenham, Watford, WD25 8AJ
Sold Nov 2024
£800,00056 Hilfield Lane, Aldenham, Watford, WD25 8AJ
Sold Sept 2024
£765,00028 Hilfield Lane, Aldenham, Watford, WD25 8AJ
Sold Sept 2024
£730,000
Versus other Hilfield Lane homes
Habitable Rooms for 40 Hilfield Lane runs comfortably ahead of the street norm.
Price per m²
£3,081
Street avg £5,661
Floor Area
181 m²
Street avg 127 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
8.3 t/year
Street avg 4.7 t/year
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The neighbourhood at a glance
Crime
214/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Hilfield Lane — bus stop.
Closest school
1.3 km
Queens' School. 17 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
57.8dB

Night-time· 23:00 – 07:00
51.7dB







