Harepark House, Bibbs Hall Lane, Ayot St Lawrence, Welwyn, AL6 9BY
About Harepark House
Harepark House is a four-bedroom detached house in Ayot St. Lawrence, Welwyn, Welwyn (AL6 9BY). It has a recorded floor area of 224 m² (around 2411 sq ft), construction records dating it to 1996-2002 and council tax band H. The latest certificate (October 2017) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 80). Main heating runs on oil. Our model identifies extension potential, subject to local planning policy.
6 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension, tree works and solar panel installation, meaningful when judging how the property has evolved. Across 1996–2019, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £1,793,000 is 18.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£629/sq ft) was about 178% above the typical sold price in the postcode. Sold July 2019 for £1,517,500.
Know exactly what you're buying at Harepark House
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
- Bedrooms4
- Bathrooms4
- Open-plan layoutYes
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenSouth-facing
- GarageDouble
Building
- Extension potentialPossible
Energy performance
Harepark House's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Harepark House has been through 4 approved planning applications — a well-evolved property.
- Oct 2023Tree WorksTreesIn report
T19 & T20 Common Lime cut back the branches of 2 overhanging trees by 30%
- Reference
- 6/2023/1843/TPO
- Jul 2021ExtensionFullIn report
Demolition of existing garage and erection of new garage with additional living accommodation within its roof, and accompanying structure connected to existing house. Creation of new timber decking to rear and alterations to fenestration on existing house.
- Reference
- 6/2021/1377/HOUSE
What's in Harepark House, Bibbs Hall Lane, Ayot St Lawrence, Welwyn, AL6 9BY's planning history?
4 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Price for Harepark House has grown more than fourfold since the 1996 starting point.
£1,793,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 23 years.
£1,517,500
Growth on file: 6.2% per year over 23 years.
Sales timeline
4 July 2019Most recent
£1,517,500
+304.7%over 23 years22 May 1996
£375,000
Median price across the last 5 sales in AL6 9BY: £1,850,000 (2023–1996).
Everything we know about Harepark House, 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 Bibbs Hall Lane homes
EPC Rating
58 (D)
Street avg 60 (D)
Floor Area
224 m²
Street avg 306 m²
CO₂ Emissions
10.0 t/year
Street avg 10.6 t/year
Habitable Rooms
9 rooms
Street avg 7 rooms
Similar properties nearby
1 Dolphin Court
AL6 9FW
1 Akers Court
AL6 9FF
1 Carleton Rise
AL6 9RP
1 Church Cottages, Bibbs Hall Lane, Ayot St Lawrence
AL6 9BZ
1 Dewars Close
AL6 9RR
1 Cylers Thicket
AL6 9RS
1 Butterwick Way
AL6 9GH
1 Codicote Road
AL6 9LY
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
1.8 km
Lamer Park — bus stop.
Closest school
2.3 km
Kimpton Primary School. 2 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.