3Y Avg Price
£550,000
2 sales
Properties
10
Sales / Year
1.0
5-year average
Avg £/sq ft
£607
£6,536/m²
Rank in AL4
174th
of 252 streets
Last Sale
£555,000
Jun 2025
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
16 total recorded
18 Sewell Close
Detached
£555,000
Jun 2025
5 Sewell Close
Semi-Detached
£545,000
Jun 2024
3 Sewell Close
Semi-Detached
£480,000
Jul 2023
12 Sewell Close
Detached
£775,000
Jun 2023
21 Sewell Close
Detached
£700,000
May 2023
18 Sewell Close
Detached
£605,000
Jun 2021
9 Sewell Close
Detached
£620,000
Feb 2021
19 Sewell Close
Detached
£765,000
Nov 2020
19 Sewell Close
Detached
£540,000
Nov 2016
16 Sewell Close
Detached
£445,000
Apr 2014
Street Rankings — AL4
Streets ranked by 3-year average sale price. Showing positions 170–178 of 252.
| # | Street | 3Y Avg |
|---|---|---|
| 170 | Dymoke Green | £562,500 |
| 171 | St Leonards Crescent | £555,000 |
| 172 | Wheat Close | £551,250 |
| 173 | Hilltop View | £550,833 |
| 174 | Sewell Close | £550,000 |
| 175 | Pinewood Close | £548,000 |
| 176 | Regent Close | £547,883 |
| 177 | Crescent Gardens | £545,833 |
| 178 | Harley Court | £545,000 |
| 178 | Franklin Close | £545,000 |
Property Mix
Type
Tenure
EPC Ratings
7 of 10 properties have an EPC record
Avg floor area: 1,141 sq ft (106 m²)
District Context — AL4
AL4 covers Welwyn Garden City and surrounding areas in Hertfordshire, north of London. It is a planned commuter town with strong suburban character, well-regarded schools, and easy rail access to central London.
Average Property Price - AL4
£644,617
94
National percentile
12 month avg at 30 Sep 2026
Average Net Household Income - AL4
£42,764
68
National percentile
2023 census data
10-Year Annualised Price Growth - AL4
2.4%
32
National percentile
Estimate at 30 Sep 2026
10-Year Annualised Rent Growth - AL
3.8%
41
National percentile
Estimate at 30 Sep 2026