12 Greenfield Avenue, Watford, WD19 5DN
About 12 Greenfield Avenue
12 Greenfield Avenue is a two-bedroom semi-detached house in Watford (WD19 5DN). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1950-1966 and council tax band E. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. Records show the property has been extended at some point in its history. The latest certificate (December 2013) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (November 2013); the latest reading is one band lower. The recommended improvements would push it to C (score 69). Main heating runs on electricity. The latest certificate is from December 2013, so improvements made since then won't be reflected.
4 planning records sit against the property, 2 approved, 2 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. Across 2004–2021, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £531,000 is 11.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£573/sq ft) was about 49.6% above the typical sold price in the postcode. Sold April 2021 for £475,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms2
Outside
- GarageYes
Building
- Heating systemAir source
- Solar panelsYes
- Previously extendedYes
- RefurbishedYes
Energy performance
12 Greenfield Avenue's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 04 Dec 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Planning history
A a loft conversion application was refused at 12 Greenfield Avenue in 2022.
- May 2022Loft ConversionOutlineIn report
Certificate of Lawfulness Proposed Development: Loft conversion including hip to gable extension, rear dormer and front rooflights
- Documents
- 8 docs on file
- Reference
- 22/0418/CLPD
- Feb 2022Loft ConversionFullIn report
Loft conversion including increase in ridge height, hip to gable roof extension, rear dormer window and front rooflights
- Documents
- 12 docs on file
- Reference
- 21/2825/FUL
What's in 12 Greenfield Avenue, Watford, WD19 5DN's planning history?
2 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
12 Greenfield Avenue has more than doubled in price since the earliest registered sale in 2004.
£531,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 17 years.
£475,000
Growth on file: 4.4% per year over 17 years.
Sales timeline
3 April 2021Most recent
£475,000
+90.0%over 14 years3 November 2006
£250,000
+8.7%over 2 years1 June 2004
£230,000
Median price across the last 5 sales in WD19 5DN: £500,000 (2025–2019).
Nearby sales in WD19 5DN
8 Greenfield Avenue, Watford, WD19 5DN
Sold Jun 2025
£540,00026 Greenfield Avenue, Watford, WD19 5DN
Sold Oct 2024
£490,75016 Greenfield Avenue, Watford, WD19 5DN
Sold Jun 2020
£580,00036 Greenfield Avenue, Watford, WD19 5DN
Sold Jan 2020
£500,00032 Greenfield Avenue, Watford, WD19 5DN
Sold Sept 2019
£423,000
Versus other Greenfield Avenue homes
12 Greenfield Avenue is notably below the street on habitable rooms.
Price per m²
£6,169
Street avg £5,459
Floor Area
77 m²
Street avg 93 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.6 t/year
Street avg 3.7 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Upper Hitch — bus stop.
Closest school
0.3 km
St Meryl School. 25 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
49.0dB

Night-time· 23:00 – 07:00
40.3dB








