109a, North Western Avenue, Watford, WD25 0AQ
About 109a
109a is a one-bedroom semi-detached house in Watford (WD25 0AQ). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (April 2025) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump.
Untraded for 20 years, with the last transfer in March 2006. Across the public record there are 4 sales, relatively high churn for a single property. Across 1997–2006, sale prices on this property compounded at 12.6% per year. Today's modelled estimate of £235,000 sits 78.7% above the 2006 sale of £131,500. On a £-per-square-foot basis, the last sale (£271/sq ft) was about 20.1% above the typical sold price in the postcode. At 45 m² it sits well below the postcode median (71 m² across 21 EPCs), making it one of the more compact homes locally.
What this property has
Inside
- Bedrooms1
- CloakroomYes
Outside
- Private gardenYes
- ParkingOff road
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
109a has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
Sale price has at least doubled since 1997.
£235,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.6% per year over 8 years.
£131,500
Growth on file: 12.6% per year over 8 years.
Sales timeline
3 March 2006Most recent
£131,500
+1.2%over 1 year21 September 2004
£129,950
+80.6%over 3 years24 November 2000
£71,950
+46.8%over 3 years31 October 1997
£49,000
Median price across the last 5 sales in WD25 0AQ: £285,000 (2025–2021).
Nearby sales in WD25 0AQ
129 North Western Avenue, Watford, WD25 0AQ
Sold Mar 2025
£285,000111 North Western Avenue, Watford, WD25 0AQ
Sold May 2024
£227,000111a, North Western Avenue, Watford, WD25 0AQ
Sold May 2024
£250,000135 North Western Avenue, Watford, WD25 0AQ
Sold May 2022
£440,700137 North Western Avenue, Watford, WD25 0AQ
Sold Sept 2021
£460,000
Versus other North Western Avenue homes
Years Held for 109a runs comfortably ahead of the street norm.
Price per m²
£2,922
Street avg £3,375
Floor Area
45 m²
Street avg 56 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
3.3 t/year
Street avg 3.6 t/year
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The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Library — bus stop.
Closest school
0.3 km
Cherry Tree Primary School. 29 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
51.3dB

Night-time· 23:00 – 07:00
42.1dB








