12 Colne Avenue, Mill End, Rickmansworth, WD3 8BS
About 12 Colne Avenue
12 Colne Avenue is a three-bedroom semi-detached house in Mill End, Rickmansworth, Rickmansworth (WD3 8BS). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (September 2014) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since October 2008. Between certificates, roof efficiency went from Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 85), a 3-band jump. The latest certificate is from September 2014, so improvements made since then won't be reflected.
It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). Across 2002–2013, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £495,000 is 47.8% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£362/sq ft) was about 55.8% above the typical sold price in the postcode. 13 years since the last transfer (October 2013).
Know exactly what you're buying at 12 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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 09 Sept 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Planning history
12 Colne Avenue has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 12 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
12 Colne Avenue valuation sits well clear of the typical sold price in this postcode.
£495,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 11 years.
£335,000
Growth on file: 5.6% per year over 11 years.
Sales timeline
24 October 2013Most recent
£335,000
+39.6%over 4 years15 April 2009
£240,000
+29.7%over 6 years5 November 2002
£185,000
Median price across the last 5 sales in WD3 8BS: £497,000 (2024–2019).
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
£460,00034 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
£497,000
Everything we know about 12 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
On epc rating, 12 Colne Avenue runs well behind the street norm.
Price per m²
£3,895
Street avg £3,830
Floor Area
86 m²
Street avg 99 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.7 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