40 Colgrove, Welwyn Garden City, AL8 6HU
About 40 Colgrove
40 Colgrove is a semi-detached house in Welwyn Garden City (AL8 6HU). It has a recorded floor area of 132 m² (around 1421 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (May 2023) shows a C (score 71).
It hasn't traded since October 2004, a hold of 22 years that's notably long for the area. At 132 m² the property is well over the postcode median (69 m² across 12 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £697,000 sits 131.6% above the 2004 sale of £301,000. On a £-per-square-foot basis, the last sale (£212/sq ft) was about 45.2% below the postcode norm. 5 planning records sit against the property, 5 approved, 0 refused. Past consents include solar panel installation, an extension, partial demolition and tree works, meaningful when judging how the property has evolved.
Know exactly what you're buying at 40 Colgrove
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Aug 2025Solar PanelsIn report
Installation of solar panels and heat pump
- Reference
- 6/2025/1045/EM
- May 2018DemolitionFullIn report
Extension: Part single, part two storey · Side and rear of property
Erection of part single, part two storey side and rear extension following demolition of existing rear conservatory and single storey side extension
Extension- Reference
- 6/2018/0580/HOUSE
What's in 40 Colgrove, Welwyn Garden City, AL8 6HU's planning history?
3 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
40 Colgrove valuation sits well clear of the typical sold price in this postcode.
£697,000
Modelled from EPC, postcode comparables.
£301,000
Recorded with HM Land Registry.
Sales timeline
28 October 2004Most recent
£301,000
Median price across the last 5 sales in AL8 6HU: £555,000 (2023–2014).
Nearby sales in AL8 6HU
2 Colgrove, Welwyn Garden City, AL8 6HU
Sold Jan 2023
£565,00028 Colgrove, Welwyn Garden City, AL8 6HU
Sold Jun 2021
£590,00010 Colgrove, Welwyn Garden City, AL8 6HU
Sold Jan 2018
£550,00038 Colgrove, Welwyn Garden City, AL8 6HU
Sold Nov 2016
£555,0004 Colgrove, Welwyn Garden City, AL8 6HU
Sold Oct 2013
£360,000
Everything we know about 40 Colgrove, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?
Versus other Colgrove homes
Floor Area for 40 Colgrove runs comfortably ahead of the street norm.
Price per m²
£2,280
Street avg £4,922
Floor Area
132 m²
Street avg 80 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.1 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Stanborough Close — bus stop.
Closest school
0.5 km
Stanborough School. 19 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.