17 Longcroft Lane, Welwyn Garden City, AL8 6EB
About 17 Longcroft Lane
17 Longcroft Lane is a three-bedroom mid-terrace house in Welwyn Garden City (AL8 6EB). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (January 2023) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a loft conversion and partial demolition, meaningful when judging how the property has evolved. Today's modelled estimate of £543,000 is 15.5% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£485/sq ft) was about 24.5% above the typical sold price in the postcode. Last sale on file: £470,000 in September 2023.
Know exactly what you're buying at 17 Longcroft Lane
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
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenRear
- DrivewayYes
Building
- Period featuresYes
- Extension potentialPossible
Energy performance
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Jun 2024Loft ConversionIn report
Extension: Single storey · Rear of property
Erection of single storey rear extension, loft conversion with 2 x rear facing dormers and insertion of rooflight to existing rear facing roof following demolition of existing rear extension
ExtensionDemolition- Reference
- 6/2024/0706/EM
- Jun 2024Loft ConversionFullIn report
Extension: Single storey · Rear of property
Erection of a single storey rear extension following demolition of existing rear extension, loft conversion with 2 x rear facing dormers and insertion of rooflight to existing rear facing roof
Extension- Reference
- 6/2024/0703/HOUSE
What's in 17 Longcroft Lane, Welwyn Garden City, AL8 6EB's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
17 Longcroft Lane valuation sits well clear of the typical sold price in this postcode.
£543,000
Modelled from EPC, postcode comparables.
£470,000
Recorded with HM Land Registry.
Sales timeline
19 September 2023Most recent
£470,000
Median price across the last 5 sales in AL8 6EB: £577,500 (2023–2020).
Nearby sales in AL8 6EB
29 Longcroft Lane, Welwyn Garden City, AL8 6EB
Sold Nov 2023
£645,00043 Longcroft Lane, Welwyn Garden City, AL8 6EB
Sold Apr 2021
£770,00051 Longcroft Lane, Welwyn Garden City, AL8 6EB
Sold Feb 2021
£577,50065 Longcroft Lane, Welwyn Garden City, AL8 6EB
Sold Oct 2020
£531,50047 Longcroft Lane, Welwyn Garden City, AL8 6EB
Sold Sept 2020
£575,500
Everything we know about 17 Longcroft Lane, 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 Longcroft Lane homes
Years Held for 17 Longcroft Lane lags the street by a wide margin.
Price per m²
£5,222
Street avg £5,464
Floor Area
90 m²
Street avg 90 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 4.5 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Sainsbury's — bus stop.
Closest school
0.6 km
Peartree Primary School. 21 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.