HouseMarketBook

BD18 1LL

Welwyn Avenue · 24 homes with a sale · 59 sales since 1995

Median price per square metre in BD18 1, last 24 months£2,420£225 per sq ft · BD18 1LL has 5 counted sales, too few for a figure of its own

5 sales in BD18 1LL in the last two years, the latest for £225,000 in June 2026.

HM Land Registry records 59 sales here since 1995, on Welwyn Avenue. With 5 counted sales in 24 months, BD18 1LL has too few for figures of its own, so the medians are for the postcode sector BD18 1. Homes counted in BD18 1 sold for a median of £2,420 per square metre.

Median price in BD18 1, 24 months£190,000
£ per m², middle half in BD18 1£2,120 to £2,740
Sales, 24 months55 with a floor area counted
Typical floor area in BD18 177 m²

Every home in BD18 1LL

24 addresses · most recent sale first
AddressTypeSizeLast soldPrice£ / m²EPC
39 Welwyn AvenueSemi-detached124 m²Jun 2026£225,000£1,810C
14 Welwyn AvenueSemi-detached66 m²Nov 2025£189,950£2,880D
23 Welwyn AvenueSemi-detached67 m²May 2025£174,000£2,600C
10 Welwyn AvenueSemi-detached108 m²Mar 2025£270,000£2,500D
8 Welwyn AvenueSemi-detached80 m²Feb 2025£225,000£2,810D
24 Welwyn AvenueSemi-detached68 m²Sep 2023£180,000£2,650E
20 Welwyn AvenueTerraced66 m²Aug 2023£142,500£2,160D
11 Welwyn AvenueSemi-detached64 m²Jun 2022£160,000£2,500D
5 Welwyn AvenueSemi-detached64 m²Feb 2022£160,000£2,500D
9 Welwyn AvenueSemi-detached66 m²Apr 2021£155,000£2,350C
35 Welwyn AvenueSemi-detached64 m²Sep 2018£113,000£1,770D
31 Welwyn AvenueSemi-detached72 m²Dec 2014£113,500£1,580D
13 Welwyn AvenueSemi-detached68 m²Aug 2014£120,000£1,760C
4 Welwyn AvenueSemi-detached65 m²Dec 2013£95,000£1,460E
15 Welwyn AvenueSemi-detached64 m²Jul 2013£100,000£1,560D
27 Welwyn AvenueSemi-detached64 m²Jun 2013£90,000£1,410D
25 Welwyn AvenueSemi-detached64 m²Mar 2013£82,000£1,280D
3 Welwyn AvenueTerraced67 m²Aug 2011£102,500£1,530D
7 Welwyn AvenueSemi-detached76 m²Jul 2010£136,000£1,790D
22 Welwyn AvenueSemi-detached101 m²Feb 2008£150,000£1,490C
33 Welwyn AvenueSemi-detached—Oct 2006£120,000——
18 Welwyn AvenueSemi-detached59 m²Jun 2001£60,000£1,020C
21 Welwyn AvenueSemi-detached—Aug 1998£44,000——
16 Welwyn AvenueSemi-detached—Nov 1996£44,000——
Size and EPC come from the latest energy certificate for each address; a dash means no certificate matches. Homes that have not sold since 1995 are not listed.

Streets in this postcode

Sales to September 2026 · HM Land Registry price paid data · MHCLG energy certificates · ONS postcode directory · An index-based comparison of sold prices, not a valuation.