21 Clyston Road, Watford, WD18 6JR
About 21 Clyston Road
21 Clyston Road is an end-of-terrace house in Watford (WD18 6JR). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (January 2022) shows a C (score 73). When first surveyed in February 2012 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 86).
One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. At 98 m² it's 27.3% larger than the typical home in the postcode (77 m² median across 20 EPCs). Across 2001–2022, sale prices on this property compounded at 6.7% per year. On a £-per-square-foot basis, the last sale (£488/sq ft) was about 84.7% above the typical sold price in the postcode. Sold August 2022 for £515,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 21 Clyston 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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Roof insulation improved
More low energy lighting installed
Planning history
21 Clyston Road has an approved single-storey rear extension on the planning record.
- Aug 2016ExtensionOutlineIn report
Extension: Single storey · Rear of property
The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 6.0m for which the maximum height would be 3.0m and for which the height of the eaves would be 2.85m.
- Documents
- 11 docs on file
- Reference
- 16/01049/HPD
What's in 21 Clyston Road, Watford, WD18 6JR's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Latest sale on 21 Clyston Road was the highest on Land Registry record across the postcode.
£518,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 21 years.
£515,000
Growth on file: 6.7% per year over 21 years.
Sales timeline
18 August 2022Most recent
£515,000
+102.0%over 9 years20 March 2013
£255,000
+90.3%over 11 years23 November 2001
£134,000
Median price across the last 5 sales in WD18 6JR: £404,000 (2024–2016).
Everything we know about 21 Clyston 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 Clyston Road homes
On floor area, 21 Clyston Road stands well clear of the street.
Price per m²
£5,255
Street avg £3,958
Floor Area
98 m²
Street avg 76 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.0 t/year
Street avg 2.8 t/year
Similar properties nearby
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
Moor View — bus stop.
Closest school
0.4 km
Willow Tree Primary School. 34 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
46.8dB
Night-time· 23:00 – 07:00
38.3dB