20 Combe Road, Watford, WD18 6LD
About 20 Combe Road
20 Combe Road is a three-bedroom semi-detached house in Watford (WD18 6LD). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (September 2018) shows a D (score 60), on the cusp of jumping into the C band. Earlier certificates rated it C (August 2012); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 85), a 2-band jump.
3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £455,000 is 16.7% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£477/sq ft) was about 111.9% above the typical sold price in the postcode. Most recent transfer: March 2019 at £390,000.
Know exactly what you're buying at 20 Combe Road
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenYes
- DrivewayYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
20 Combe Road has an approved single-storey rear extension on the planning record.
- Jan 2024PorchFullIn report
Extension: Single storey · Rear of property
Erection of first floor rear extension with hip roof to extend 3m to rear and addition of front porch. The proposed extension also allows for a rear/side pitched roof to be added on a previously approved ground floor extension approved under ref. 23/00834/HPD
Extension- Documents
- 6 docs on file
- Reference
- 23/01089/FULH
- Jan 2024OutbuildingAmendmentIn report
Lawful Development Certificate for a garden outbuilding that will be incidental to the use of the home by providing a home office and storage area
- Documents
- 5 docs on file
- Reference
- 23/01038/LDC
What's in 20 Combe Road, Watford, WD18 6LD's planning history?
1 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
20 Combe Road valuation sits well clear of the typical sold price in this postcode.
£455,000
Modelled from EPC, postcode comparables.
£390,000
Recorded with HM Land Registry.
Sales timeline
7 March 2019Most recent
£390,000
Median price across the last 5 sales in WD18 6LD: £310,000 (2021–2008).
Everything we know about 20 Combe Road, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Combe Road homes
20 Combe Road outperforms the street on price per m² by a wide margin.
Price per m²
£5,132
Street avg £3,177
Floor Area
76 m²
Street avg 77 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.1 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Healey Road — bus stop.
Closest school
0.2 km
Willow Tree Primary School. 32 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
48.8dB

Night-time· 23:00 – 07:00
39.7dB