20 Grasmere Close, Watford, WD25 7JH
About 20 Grasmere Close
20 Grasmere Close is a one-bedroom end-of-terrace house in Watford (WD25 7JH). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (August 2023) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2013. Between certificates, lighting went from Good to Very Good. The recommended improvements would push it to C (score 77). Main heating runs on electricity. At 41 m² this is the 9th smallest of 17 units on EPC record in the building, where floor areas span 35–49 m². The building's EPC ratings span E to C across 17 units on file.
Across 1999–2013, sale prices on this property compounded at 5.9% per year. Today's modelled estimate of £204,000 sits 63.2% above the 2013 sale of £125,000. Last changed hands 13 years ago, in July 2013.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Private gardenYes
- GarageYes
Building
- Heating systemElectric
- ConciergeYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
20 Grasmere Close has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Sale price has at least doubled since 1999.
£204,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 14 years.
£125,000
Growth on file: 5.9% per year over 14 years.
Sales timeline
15 July 2013Most recent
£125,000
+9.6%over 10 years9 July 2003
£114,000
+100.0%over 3 years25 October 1999
£57,000
Median price across the last 5 sales in WD25 7JH: £212,000 (2024–2017).
Nearby sales in WD25 7JH
Versus other Grasmere Close homes
On co₂ emissions, 20 Grasmere Close runs well behind the street norm.
Price per m²
£3,049
Street avg £3,346
Floor Area
41 m²
Street avg 41 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
3.3 t/year
Street avg 2.6 t/year
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The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Orchard Avenue — bus stop.
Closest school
0.3 km
Alban Wood Primary School and Nursery. 22 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.0dB

Night-time· 23:00 – 07:00
40.5dB








