21a, Sherwoods Road, Watford, WD19 4AY
About 21a
21a is a four-bedroom semi-detached house in Watford (WD19 4AY). It has a recorded floor area of 146 m² (around 1572 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (September 2022) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 77). Other recorded features include a loft.
2 planning records sit against the property, 1 approved, 0 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved. Across 2002–2024, sale prices on this property compounded at 4.2% per year. On a £-per-square-foot basis, the last sale (£579/sq ft) was about 77.4% above the typical sold price in the postcode. Sold May 2024 for £910,000.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- LoftYes
Outside
- Private gardenYes
- GarageYes
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
21a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- Nov 2025ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of single storey rear extension
- Documents
- 18 docs on file
- Reference
- 25/00751/FULH
- Oct 2025Loft ConversionAmendmentIn report
Lawful Development Certificate for a loft conversion, formation of hip to gable end, rear dormer, insertion of roof lights to front slope.
- Documents
- 7 docs on file
- Reference
- 25/00749/LDC
We flagged 1 thing worth checking at 21a
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Sale price has at least doubled since 2002.
£862,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 21 years.
£910,000
Growth on file: 4.2% per year over 21 years.
Sales timeline
14 May 2024Most recent
£910,000
+141.4%over 21 years11 December 2002
£377,000
Median price across the last 5 sales in WD19 4AY: £730,000 (2024–2019).
Nearby sales in WD19 4AY
Versus other Sherwoods Road homes
21a outperforms the street on price per m² by a wide margin.
Price per m²
£6,233
Street avg £3,945
Floor Area
146 m²
Street avg 187 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
7.4 t/year
Street avg 7.1 t/year
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Sherwoods Road — bus stop.
Closest school
0.6 km
Bromet Primary School. 33 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
46.6dB
Night-time· 23:00 – 07:00
38.8dB