1 The Avenue, Welwyn, AL6 0PN is a freehold detached property built between 1967-1975. The property offers approximately 2,325 square feet of living space. In this location, properties of similar size usually have six bedrooms.

The estimated current market value of the property is £1,063,407 , which equates to approximately £457 per square foot. It was last sold on 18 Mar 2015 for £740,000. Since then, the value has increased by £323,407, representing a 43.7% increase, or approximately 4.1% per year.

The current estimated value of £1,063,407 is:

  • 18.2% higher than the average property price on The Avenue
  • 22.4% higher than the average in the AL6 0PN postcode area
  • and 30.1% higher than the average price for Welwyn as a whole

This property has had 2 EPC inspections with recorded tenure information. It was recorded as owner-occupied both times. This suggests the property has typically been lived in by its owners, which often reflects longer-term residency and more consistent maintenance.

At the most recent EPC inspection on 29 October 2025, the property was recorded as owner-occupied.

View sold house prices in AL6 0PN

Building approximate location

About Property

Type
Detached House
Built
1967-1975
Interior Size
2325 sq ft
Tenure
Freehold
Price (estimate)
£1,063,407
Price Per sq ft (estimate)
£457
Bedroom Count (estimate)
6 bedrooms

EPC Summary

1 The Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0PN has an Energy Performance Certificate (EPC) rating of C, based on the latest assessment carried out on 29 Oct 2025.

This property uses a gas-fired boiler and radiators, connected to the mains gas supply, as its main heating source. Hot water is provided from main heating system. The windows are fully double glazed.

The previous EPC assessment was conducted on 9 Jul 2013. The rating of C remains the same, but the energy efficiency score improved by 2.8%.

Since the previous assessment, several changes were observed:

  • The roof construction or insulation changed from pitched, 100mm loft insulation to pitched, 200 mm loft insulation, improving energy efficiency from average to good.
  • The lighting was updated from low energy lighting in 26% of fixed outlets to good lighting efficiency, with efficiency improving from average to good.
Heating Type
Boiler and radiators, mains gas
Good
Hot Water
From main system
Good
Roof
Pitched, 200 mm loft insulation
Good
Walls
Cavity wall, filled cavity
Good
Windows
Fully double glazed
Average
Lighting
Good lighting efficiency
Good

Sale History

Today
£1,063,407
streetscan.co.uk estimate
+44 %
18 Mar 2015
£740,000
Leasehold
+24.4 %
14 Mar 2007
£595,000
Leasehold
+335.5 %
6 Apr 2001
£136,627
Leasehold
-54.3 %
16 Oct 1998
£299,000
Leasehold

Area Insights

Similar Properties Sold Nearby

9 The Avenue, Welwyn, AL6 0PN
rooms: 8
size: 2411 sq ft
sale price: £545,000
sale date: 28 Jun 2013
29 The Avenue, Welwyn, AL6 0PW
rooms: 8
size: 2422 sq ft
sale price: £790,000
sale date: 30 Jun 2016
11 The Avenue, Welwyn, AL6 0PW
rooms: 8
size: 2228 sq ft
sale price: £392,500
sale date: 5 Jan 2007
43 The Avenue, Welwyn, AL6 0PW
rooms: 8
size: 2153 sq ft
sale price: £550,000
sale date: 13 Apr 2006

Data Sources

The property at 1 The Avenue, Welwyn, AL6 0PN appears four times in the Land Registry records, with the latest transaction recorded on 18 Mar 2015. It also has two Energy Performance Certificates (EPC) entries, the earliest dating back to 29 Oct 2025. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.


Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.
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