3 Colne Avenue, Mill End, Rickmansworth, WD3 8BS
About 3 Colne Avenue
3 Colne Avenue is a three-bedroom semi-detached house in Mill End, Rickmansworth, Rickmansworth (WD3 8BS). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1900-1929 and council tax band D. Tenure is freehold. The latest certificate (June 2023) shows a G (score 14), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 86), a 5-band jump. Main heating runs on to be used only when there is no heating/hot. Other recorded features include outbuildings. Our model identifies extension potential, subject to local planning policy.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £573,000 is 24.6% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£509/sq ft) was about 119% above the typical sold price in the postcode. Sold December 2023 for £460,000.
Know exactly what you're buying at 3 Colne Avenue
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
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenRear
- OutbuildingsYes
Building
- TenureFreehold
- Extension potentialPossible
Energy performance
3 Colne Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
3 Colne Avenue has an approved single-storey rear extension on the planning record.
- Sept 2023ExtensionOutlineIn report
Extension: Single storey · Rear of property
Prior Approval: Single storey rear extension (depth 4.50 metres, maximum height 4 metres, maximum eaves height 3 metres)
- Documents
- 4 docs on file
- Reference
- 23/1296/PDE
We flagged 1 thing worth checking at 3 Colne Avenue
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
3 Colne Avenue valuation sits well clear of the typical sold price in this postcode.
£573,000
Modelled from EPC, postcode comparables.
£460,000
Recorded with HM Land Registry.
Sales timeline
8 December 2023Most recent
£460,000
Median price across the last 5 sales in WD3 8BS: £500,000 (2024–2017).
Nearby sales in WD3 8BS
25 Colne Avenue, Mill End, Rickmansworth, WD3 8BS
Sold Nov 2024
£645,00034 Colne Avenue, Mill End, Rickmansworth, WD3 8BS
Sold May 2021
£485,0004 Colne Avenue, Mill End, Rickmansworth, WD3 8BS
Sold Dec 2019
£500,00032 Colne Avenue, Mill End, Rickmansworth, WD3 8BS
Sold Nov 2019
£497,00020 Colne Avenue, Mill End, Rickmansworth, WD3 8BS
Sold Aug 2017
£602,500
Everything we know about 3 Colne Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Colne Avenue homes
EPC Rating for 3 Colne Avenue lags the street by a wide margin.
Price per m²
£5,476
Street avg £3,686
Floor Area
84 m²
Street avg 99 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
8.2 t/year
Street avg 4.4 t/year
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The neighbourhood at a glance
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Hall Close — bus stop.
Closest school
0.3 km
Shepherd Primary. 12 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
51.3dB

Night-time· 23:00 – 07:00
43.1dB