House prices & valuation in AL9
Sold prices in AL9, Welwyn Hatfield — a median of £580,500 from 670 category-A sales in the current five-year window, computed Sep 2026.
An estimate guide, not a formal valuation. These figures describe what similar homes sold for in the records we hold. They are not a valuation of any one home, and not advice to buy, sell, or lend.
Check a home in AL9 — sold price, EPC, flood and planning. The search is prefilled for this area.
Median sold price by type
| Type | Sales | Median price | £/m² |
|---|---|---|---|
| Detached | 216 | £1,100,000 | — |
| Semi-detached | 158 | £627,750 | — |
| Terraced | 145 | £461,000 | — |
| Flat | 151 | £284,999 | — |
Category-A sales in the current five-year window (HM Land Registry Price Paid). A type is shown only with at least 8 sales. £/m² is the median sold price per square metre for homes of that type where an EPC floor area is matched — a dash means that join is not held, not that we estimated one.
Price trend
The median sold price in AL9 moved +14.3% over five years (nominal, this area’s own sales).
Price per square metre
| Sector | £/m² |
|---|---|
| AL9 5 | £4,102 |
| AL9 6 | £4,786 |
| AL9 7 | £4,686 |
£/m² is published only where a sold price is joined to an Energy Performance of Buildings floor area. Homes without that join are left out — we do not guess a size.
Energy ratings
48.7% of 3,123 certificates are rated C or better. The middle of the stock is band D (A 6 · B 422 · C 1,092 · D 1,138 · E 384 · F 72 · G 9). Energy Performance of Buildings register.
Recent sales
| Date | Address | Type | Price | £/m² |
|---|---|---|---|---|
| Jul 2026 | Blackhorse House, 36 Salisbury Square | Flat | £279,995 | — |
| Jul 2026 | 44 Station Road | Terraced | £385,000 | — |
| Jul 2026 | 67 The Ryde | Flat | £346,280 | — |
| Jul 2026 | 14 Station Close | Flat | £267,500 | — |
| Jul 2026 | 2 Pooleys Lane | Semi-detached | £615,000 | — |
| Jun 2026 | 10 Moffats Close | Semi-detached | £765,000 | — |
Recent category-A sales from HM Land Registry Price Paid — examples, not a complete list. £/m² appears only when that sale is joined to an EPC floor area.
Streets
Only streets with enough sales to have an indexable street page. Thinner streets stay on the area report and are not listed for search.
AL9 postcode sectors → — each sector’s own sold prices.