12 Addiscombe Road, Watford, WD18 0ND
About 12 Addiscombe Road
12 Addiscombe Road is an end-of-terrace house in Watford (WD18 0ND). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (January 2023) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2009. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 75). At 39 m² this is the 4th smallest of 29 units on EPC record in the building, where floor areas span 14–154 m². The building's EPC ratings span E to C across 29 units on file.
Across 1997–2022, sale prices on this property compounded at 8% per year. Today's modelled estimate of £220,000 is 47% below the 2022 sale of £415,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£989/sq ft) was about 328.4% above the typical sold price in the postcode. At 39 m² it sits well below the postcode median (79 m² across 28 EPCs), making it one of the more compact homes locally. One planning record on file: an extension refused in 2022. Most recent transfer: July 2022 at £415,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 12 Addiscombe Road
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Planning history
A a single-storey side and rear extension application was refused at 12 Addiscombe Road in 2022.
- Sept 2022ExtensionFullIn report
Extension: Single storey · Side and rear of property
Erection of a single storey rear and side extension with an additional window on the side.
- Documents
- 5 docs on file
- Reference
- 22/00924/FULH
We flagged 2 things worth checking at 12 Addiscombe Road
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
- A planning decision worth checking
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Sales history & valuation
12 Addiscombe Road has more than quadrupled in price since its earliest registered sale in 1997.
£220,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.0% per year over 25 years.
£415,000
Growth on file: 8.0% per year over 25 years.
Sales timeline
10 July 2022Most recent
£415,000
+591.7%over 25 years28 April 1997
£60,000
Median price across the last 5 sales in WD18 0ND: £412,000 (2025–2023).
Nearby sales in WD18 0ND
Everything we know about 12 Addiscombe Road, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- A planning decision worth checking

Versus other Addiscombe Road homes
Price per m² for 12 Addiscombe Road runs comfortably ahead of the street norm.
Price per m²
£10,641
Street avg £8,864
Floor Area
39 m²
Street avg 44 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.2 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Marlborough Road — bus stop.
Closest school
0.1 km
Chater Junior 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
55.1dB

Night-time· 23:00 – 07:00
46.1dB