4, Mardley Avenue
- Price Paid
- £475,000
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Property Insights for Welwyn
Welwyn · Hertfordshire · 6.3K town transactions
Avg sold price
-6.3%£761,775
Latest 12 months ending Jun 2026
Median price
All records£410,000
6.3K transactions in dataset
Transactions
-37.6%113
Latest 12-month window
Most common type
53.6% shareDetached
3,361 of 6,274 sales
- Price trend
Average sold price, £ thousands
How average sold prices have moved over years - a steady upward trend signals capital growth.
- Property type mix
53.6%top share · Detached
Share of transactions by property type, based on the price paid dataset.
- Trend projection
+29.6%
price trend by 2031
£1,004,077
projected avg sale
5.3%
annualised trend
Confidence: High
A simple historical trend projection derived from recorded sale prices in this area.
- Recent sales
-
15, The Chase £630,000Semi-Detached · Freehold Jun 2026
-
3, High Street £360,000Other · Freehold Jun 2026
-
1, Vera Lane £1,895,000Detached · Freehold Jun 2026
- Price snapshot
- Highest sale £22,256,763
- Median sale £410,000
- Lowest sale £2,000
- Location context
- Postcode
- District N/A
- County Hertfordshire
- Dataset profile
- First recorded sale Jan 1995
- Latest recorded sale Jun 2026
- Standard sales 96.6%
- Updated records 0.0%
- Sales activity
Latest 12 months vs previous 12 months
A side-by-side count of recorded sales by property type across two rolling annual windows.
- Tenure split
90.4% freehold
Tenure share calculated directly from the recorded sale records for this area.
- Build status
10.2% new build
Existing versus new-build share using the Land Registry old/new classification.
- Price bands
£2,000 to £22,256,763
Sale prices grouped into four dynamic bands using the observed range for this area.
- Records
Properties in Welwyn.
14, Butterwick Way
- Price Paid
- £1,030,000
10, Salix Close
- Price Paid
- £850,000
3, Dolphin Court
- Price Paid
- £845,000
10, Briary Wood End
- Price Paid
- £750,000
10, Welwyn By Pass Road
- Price Paid
- £435,000
14, Willow Walk
- Price Paid
- £1,160,000
5, Hillside Way
- Price Paid
- £645,000
4, Lower Mardley Hill
- Price Paid
- £540,000
1, Dolphin Court
- Price Paid
- £1,150,000
20, Hertford Road
- Price Paid
- £750,000
27, Orchard Road
- Price Paid
- £1,375,000
2, Whitehill
- Price Paid
- £870,000
LONGRIDGE, Chestnut Walk
- Price Paid
- £590,000
9, Salix Close
- Price Paid
- £650,000
22, Elmoor Avenue
- Price Paid
- £410,000
8, The Walled Garden
- Price Paid
- £650,000
7, Tewin Hill
- Price Paid
- £445,000
16, Reeves Court
- Price Paid
- £1,185,000
4, Akers Court
- Price Paid
- £675,000
- Explore
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