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Get started3 Carisbrooke Avenue is a three-bedroom semi-detached house in Watford (WD24 4HU). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2023) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Today's modelled estimate of £538,000 is 15.7% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£520/sq ft) was about 79.3% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 1 refused. Most recent transfer: October 2023 at £465,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
A a part-single-part-two-storey side and rear extension application was refused at 3 Carisbrooke Avenue in 2024.
Extension: Single storey · Rear of property
Erection of single storey rear extension.
3 Carisbrooke Avenue valuation sits well clear of the typical sold price in this postcode.
£538,000
Modelled from EPC, postcode comparables.
£465,000
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
3 Carisbrooke Avenue is notably below the street on years held.
Price per m²
£5,602
Street avg £5,146
Floor Area
83 m²
Street avg 83 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Rhodes Way — bus stop.

Daytime· 07:00 – 23:00
52.6dB

Extension: Part single, part two storey · Side and rear of property
Erection of a ground floor rear 4 meters deep extension and side wrap around extension and part first floor side extension.
6 October 2023Most recent
£465,000
Median price across the last 5 sales in WD24 4HU: £420,000 (2025–2021).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
3.8 t/year
Street avg 3.8 t/year
WD24 4DX
Closest school
0.4 km
Knutsford Primary Academy. 33 schools nearby.
Night-time· 23:00 – 07:00
43.9dB