1b, Harmer Dell, Welwyn, AL6 0BE
About 1b
1b is a five-bedroom detached house in Welwyn (AL6 0BE). It has a recorded floor area of 237 m² (around 2551 sq ft), construction records dating it to 1976-1982 and council tax band H. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a balcony and a conservatory. The latest certificate (April 2015) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76). The latest certificate is from April 2015, so improvements made since then won't be reflected.
6 planning records sit against the property, 4 approved, 2 refused. Past consents include an extension and tree works, meaningful when judging how the property has evolved. Today's modelled estimate of £1,387,000 is 18% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£461/sq ft) was about 49.6% above the typical sold price in the postcode. Last sold in February 2016, so it's been off the market for around 10 years.
Know exactly what you're buying at 1b
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
- Bedrooms5
- Dining roomYes
- Utility roomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenYes
- GarageYes
- BalconyYes
- Swimming poolYes
Energy performance
1b's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Apr 2025
EPC Rating
Planning history
1b has 3 separate extension applications on the council record.
- Mar 2020ExtensionFullIn report
Erection of single storey front extension, first floor rear extension, creation of lower ground floor storage/cellar and installation of four skylights
- Reference
- 6/2019/3207/HOUSE
- Mar 2017ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of single storey extension, alteration to roof, creation of lower-ground floor storage/cellar and associated alterations.
- Reference
- 6/2016/2143/HOUSE
We flagged 1 thing worth checking at 1b
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
Latest sale on 1b was the highest on Land Registry record across the postcode.
£1,387,000
Modelled from EPC, postcode comparables.
£1,175,000
Recorded with HM Land Registry.
Sales timeline
18 February 2016Most recent
£1,175,000
Median price across the last 5 sales in AL6 0BE: £925,000 (2019–2004).
Everything we know about 1b, 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 Harmer Dell homes
Price per m²
£4,958
Street avg £4,594
Floor Area
237 m²
Street avg 230 m²
Habitable Rooms
9 rooms
Street avg 9 rooms
CO₂ Emissions
8.2 t/year
Street avg 8.3 t/year
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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
Mornington — bus stop.
Closest school
0.9 km
St John's CofE Primary School. 14 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.