16a, St Johns Road, Watford, WD17 1PT
About 16a
16a is a three-bedroom detached house in Watford (WD17 1PT). It has a recorded floor area of 170 m² (around 1830 sq ft), construction records dating it to before 1900 and council tax band D. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include a self-contained annexe. The latest certificate (November 2020) shows a D (score 59), a step below the typical UK home. The recommended improvements would push it to C (score 79).
At 170 m² the property is well over the postcode median (45 m² across 22 EPCs), placing it in the larger end of the local stock. On a £-per-square-foot basis, the last sale (£484/sq ft) was about 63.6% above the typical sold price in the postcode. Most recent transfer: August 2022 at £885,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- CloakroomYes
Outside
- Private gardenYes
- ParkingOff street
Building
- Listed buildingYes
- ConciergeYes
Energy performance
16a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
16a has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
We flagged 2 things worth checking at 16a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Latest sale on 16a was the highest on Land Registry record across the postcode.
£830,000
Modelled from EPC, postcode comparables.
£885,000
Recorded with HM Land Registry.
Sales timeline
18 August 2022Most recent
£885,000
Median price across the last 5 sales in WD17 1PT: £570,000 (2025–2022).
Nearby sales in WD17 1PT
8a, St Johns Road, Watford, WD17 1PT
Sold Feb 2025
£265,00016e, St Johns Road, Watford, WD17 1PT
Sold Jul 2024
£580,0008b, St Johns Road, Watford, WD17 1PT
Sold Dec 2022
£232,50014 St Johns Road, Watford, WD17 1PT
Sold Nov 2022
£810,000First Floor Flat, 10 St Johns Road, Watford, WD17 1PT
Sold Jun 2021
£222,000
Versus other St Johns Road homes
Floor Area for 16a runs comfortably ahead of the street norm.
Price per m²
£5,206
Street avg £12,357
Floor Area
170 m²
Street avg 114 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
7.0 t/year
Street avg 5.6 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
St John's Road — bus stop.
Closest school
0.4 km
Watford St John's Church of England Primary School. 35 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
54.1dB

Night-time· 23:00 – 07:00
44.7dB








