3Y Avg Price
£575,667
3 sales
Properties
48
Sales / Year
1.8
5-year average
Avg £/sq ft
£600
£6,459/m²
Rank in AL7
31st
of 272 streets
Last Sale
£620,000
Mar 2026
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
96 total recorded
5 Sylvandale
Semi-Detached
£620,000
Mar 2026
60 Sylvandale
Detached
£527,000
Jul 2024
69 Sylvandale
Detached
£580,000
May 2024
36 Sylvandale
Detached
£535,000
Feb 2023
93 Sylvandale
Terraced
£615,000
Aug 2022
34 Sylvandale
Detached
£552,000
Aug 2022
71 Sylvandale
Detached
£500,000
Aug 2022
63 Sylvandale
Detached
£512,500
Mar 2022
35 Sylvandale
Semi-Detached
£540,000
Dec 2021
54 Sylvandale
Detached
£515,000
Mar 2021
Street Rankings — AL7
Streets ranked by 3-year average sale price. Showing positions 27–36 of 272.
| # | Street | 3Y Avg |
|---|---|---|
| 27 | Queens Avenue | £603,125 |
| 28 | Coltsfoot | £595,000 |
| 29 | Beauchamps | £583,475 |
| 30 | Hunsdon | £580,000 |
| 31 | Sylvandale | £575,667 |
| 32 | Beverley Gardens | £575,000 |
| 32 | Beehive Green | £575,000 |
| 32 | Claves Crescent | £575,000 |
| 35 | Cedar Walk | £570,000 |
| 36 | Blackthorn Road | £558,333 |
Property Mix
Type
Tenure
EPC Ratings
27 of 48 properties have an EPC record
Avg floor area: 1,001 sq ft (93 m²)
District Context — AL7
AL7 covers Welwyn Garden City and surrounding areas in Hertfordshire, north of London. It is a well-established commuter belt with suburban character and good transport links.
Average Property Price - AL7
£395,988
69
National percentile
12 month avg at 31 Jul 2026
Average Net Household Income - AL7
£44,456
74
National percentile
2023 census data
10-Year Annualised Price Growth - AL7
2.3%
27
National percentile
Estimate at 31 Jul 2026
10-Year Annualised Rent Growth - AL
3.8%
44
National percentile
Estimate at 31 Jul 2026