18 Colbert Avenue, Ilkley, LS29 8LU
About 18 Colbert Avenue
18 Colbert Avenue is a four-bedroom semi-detached house in Ilkley (LS29 8LU). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (March 2022) shows a C (score 72). When first surveyed in April 2013 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 85). Records show the property has been extended at some point in its history.
At 112 m² the property is well over the postcode median (86 m² across 29 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2003. Past consents include an extension, meaningful when judging how the property has evolved. Across 2007–2023, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £447,000 is 17.6% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£315/sq ft) was about 69.6% above the typical sold price in the postcode. Most recent transfer: February 2023 at £380,000.
Know exactly what you're buying at 18 Colbert 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
- Bedrooms4
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
- DrivewayYes
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Planning history
18 Colbert Avenue has an approved single-storey side extension on the planning record.
- Sept 2003ExtensionFullIn report
Extension: Single storey · Side of property
Single storey extension to side of property
- Documents
- 2 docs on file
- Reference
- 03/03247/FUL
We flagged 1 thing worth checking at 18 Colbert 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
18 Colbert Avenue valuation sits well clear of the typical sold price in this postcode.
£447,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.3% per year over 16 years.
£380,000
Growth on file: 3.3% per year over 16 years.
Sales timeline
9 February 2023Most recent
£380,000
+68.9%over 16 years26 January 2007
£225,000
Median price across the last 5 sales in LS29 8LU: £328,000 (2025–2022).
Nearby sales in LS29 8LU
Everything we know about 18 Colbert 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 Colbert Avenue homes
18 Colbert Avenue outperforms the street on habitable rooms by a wide margin.
Price per m²
£3,393
Street avg £2,372
Floor Area
112 m²
Street avg 87 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.5 t/year
Similar properties nearby
1 Cardan Drive
LS29 8PH
1 Ashlands Road
LS29 8JT
1 Craigmore Drive
LS29 8PG
1 Connaught Road
LS29 8QW
1 Craiglands Park
LS29 8SX
1 Cairn View
LS29 8LH
1 Chestnut Close
LS29 8PX
1 Dale Croft Walk
LS29 8FB
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Leeds Road Colbert Ave — bus stop.
Closest school
0.4 km
Ben Rhydding Primary School. 5 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
52.0dB

Night-time· 23:00 – 07:00
41.7dB