25 Harwood Close, Tewin, Welwyn, AL6 0LF
About 25 Harwood Close
25 Harwood Close is a detached house in Tewin, Welwyn, Welwyn (AL6 0LF). It has a recorded floor area of 159 m² (around 1711 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (October 2016) shows a D (score 56), a step below the typical UK home. The recommended improvements would lift it to B (score 84), a 2-band jump.
5 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 159 m² it's 27.2% larger than the typical home in the postcode (125 m² median across 19 EPCs). Across 2005–2017, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £842,000 is 13% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£435/sq ft) was about 60.6% above the typical sold price in the postcode. 9 years since the last transfer (August 2017).
Know exactly what you're buying at 25 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
Energy performance
25 Harwood Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
25 Harwood Close has 2 separate extension applications on the council record.
- May 2019OutbuildingOutlineIn report
Erection of outbuilding to create gymnasium and pet house.
- Documents
- 8 docs on file
- Reference
- 3/19/0734/CLPO
- Apr 2018OutbuildingOutlineIn report
Construction of outbuilding.
- Documents
- 7 docs on file
- Reference
- 3/18/0441/CLP
We flagged 1 thing worth checking at 25 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
25 Harwood Close valuation sits well clear of the typical sold price in this postcode.
£842,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 12 years.
£745,000
Growth on file: 4.9% per year over 12 years.
Sales timeline
29 August 2017Most recent
£745,000
+77.4%over 11 years29 September 2005
£420,000
Median price across the last 5 sales in AL6 0LF: £738,000 (2025–2020).
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
£730,0008 Harwood Close, Tewin, Welwyn, AL6 0LF
Sold Sept 2023
£738,00016 Harwood Close, Tewin, Welwyn, AL6 0LF
Sold Aug 2022
£821,60015 Harwood Close, Tewin, Welwyn, AL6 0LF
Sold Aug 2020
£425,000
Everything we know about 25 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
On epc rating, 25 Harwood Close runs well behind the street norm.
Price per m²
£4,686
Street avg £4,269
Floor Area
159 m²
Street avg 121 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
8.0 t/year
Street avg 3.9 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.