18 Sunderland Grove, Leavesden, Watford, WD25 7GL
About 18 Sunderland Grove
18 Sunderland Grove is a three-bedroom end-of-terrace house in Leavesden, Watford, Watford (WD25 7GL). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (June 2024) shows a C (score 71). The rating has held steady at C across 2 certificates since June 2012. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Average. The recommended improvements would push it to B (score 85). Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
A recent sale: £517,500 in November 2025. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2003. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 2001–2025, sale prices on this property compounded at 4.3% per year. On a £-per-square-foot basis, the last sale (£601/sq ft) was about 136.2% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- CloakroomYes
Outside
- Private gardenYes
- GarageYes
- Cul-de-sacYes
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
EPC Rating
Certificate validity
Valid until 9 June 2034
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system changed
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
18 Sunderland Grove has an approved extension on the planning record.
1 application on record at 18 Sunderland Grove, Leavesden, Watford, WD25 7GL
- Apr 2003ConservatoryFullOutcome in report
Rear conservatory
Extension- Reference
- 03/0245/FUL
Unlock 18 Sunderland Grove, Leavesden, Watford, WD25 7GL'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- Every decision — granted, refused or withdrawn (1 on record)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
- What the pattern means for extending or converting here
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Sales history & valuation
18 Sunderland Grove has more than doubled in price since the earliest registered sale in 2001.
£526,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 24 years.
£517,500
Growth on file: 4.3% per year over 24 years.
Sales timeline
28 November 2025Most recent
£517,500
+70.8%over 13 years14 October 2012
£303,000
-6.2%over 5 years31 July 2007
£323,000
+74.6%over 6 years31 May 2001
£185,000
Median price across the last 5 sales in WD25 7GL: £445,000 (2023–2019).
Nearby sales in WD25 7GL
9 Sunderland Grove, Leavesden, Watford, WD25 7GL
Sold May 2023
£602,0006 Sunderland Grove, Leavesden, Watford, WD25 7GL
Sold Nov 2021
£445,0001 Sunderland Grove, Leavesden, Watford, WD25 7GL
Sold Jan 2021
£545,00024 Sunderland Grove, Leavesden, Watford, WD25 7GL
Sold Apr 2020
£380,0008 Sunderland Grove, Leavesden, Watford, WD25 7GL
Sold Nov 2019
£445,000
Versus other Sunderland Grove homes
On price per m², 18 Sunderland Grove stands well clear of the street.
Price per m²
£6,469
Street avg £3,885
Floor Area
80 m²
Street avg 99 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.2 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
Trident Road — bus stop.
Closest school
0.3 km
Leavesden JMI School. 26 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
53.7dB

Night-time· 23:00 – 07:00
44.2dB







