34 Colne Avenue, Mill End, Rickmansworth, WD3 8BS
About 34 Colne Avenue
34 Colne Avenue is a three-bedroom semi-detached house in Mill End, Rickmansworth, Rickmansworth (WD3 8BS). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (November 2020) shows a D (score 59), a step below the typical UK home. When first surveyed in May 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good. The recommended improvements would push it to C (score 79). Our model identifies extension potential, subject to local planning policy.
One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved. Across 2013–2021, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £576,000 is 18.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£501/sq ft) was about 116.1% above the typical sold price in the postcode. Sold May 2021 for £485,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 34 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
Outside
- Private gardenYes
- GarageDouble
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Planning history
34 Colne Avenue has an approved single-storey rear extension on the planning record.
- Jul 2021ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension and alterations to raised patio
- Documents
- 8 docs on file
- Reference
- 21/1077/FUL
We flagged 1 thing worth checking at 34 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£576,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 8 years.
£485,000
Growth on file: 6.3% per year over 8 years.
Sales timeline
6 May 2021Most recent
£485,000
+61.7%over 7 years19 June 2013
£300,000
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
£645,0003 Colne Avenue, Mill End, Rickmansworth, WD3 8BS
Sold Dec 2023
£460,0004 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 34 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
Habitable Rooms for 34 Colne Avenue lags the street by a wide margin.
Price per m²
£5,389
Street avg £3,694
Floor Area
90 m²
Street avg 98 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.6 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