8 Harwood Close, Tewin, Welwyn, AL6 0LF
About 8 Harwood Close
8 Harwood Close is a four-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0LF). It has a recorded floor area of 141 m² (around 1518 sq ft), construction records dating it to 1976-1982 and council tax band F. The latest certificate (May 2023) shows a C (score 72). The rating has held steady at C across 2 certificates since June 2012. Between certificates, lighting went from Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 81). Records show the property has been extended at some point in its history.
One planning record on file: an extension approved in 2009. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 2006–2023, sale prices on this property compounded at 3.7% per year. On a £-per-square-foot basis, the last sale (£486/sq ft) was about 81.6% above the typical sold price in the postcode. Sold September 2023 for £738,000.
Know exactly what you're buying at 8 Harwood Close
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
- Bathrooms2
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenWest-facing
- ParkingOff street
- Summer houseYes
Building
- Previously extendedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
8 Harwood Close has an approved rear extension on the planning record.
- Apr 2009ConservatoryFullIn report
Extension: Rear of property
Rear conservatory with lantern roof (retrospective)
RetrospectiveExtension- Documents
- 5 docs on file
- Reference
- 3/09/0353/FP
We flagged 1 thing worth checking at 8 Harwood Close
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
8 Harwood Close valuation sits well clear of the typical sold price in this postcode.
£767,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 17 years.
£738,000
Growth on file: 3.7% per year over 17 years.
Sales timeline
14 September 2023Most recent
£738,000
+52.2%over 9 years12 March 2014
£485,000
+22.8%over 7 years16 August 2006
£395,000
Median price across the last 5 sales in AL6 0LF: £730,000 (2025–2019).
Nearby sales in AL6 0LF
26 Harwood Close, Tewin, Welwyn, AL6 0LF
Sold Oct 2025
£845,0007 Harwood Close, Tewin, Welwyn, AL6 0LF
Sold Oct 2023
£730,00016 Harwood Close, Tewin, Welwyn, AL6 0LF
Sold Aug 2022
£821,60015 Harwood Close, Tewin, Welwyn, AL6 0LF
Sold Aug 2020
£425,00025 Harwood Close, Tewin, Welwyn, AL6 0LF
Sold Aug 2017
£745,000
Everything we know about 8 Harwood Close, 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 Harwood Close homes
Years Held for 8 Harwood Close lags the street by a wide margin.
Price per m²
£5,234
Street avg £4,234
Floor Area
141 m²
Street avg 122 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.9 t/year
Street avg 4.1 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Rose and Crown PH — bus stop.
Closest school
0.3 km
Tewin Cowper Church of England Voluntary Aided Primary School. 8 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.