The Lego set Knockturn Alley with the set number 4720 is part of the LEGO Harry Potter™ theme. It was released in April 2003. It includes 2 minifigures. The model has 209 pieces, and we estimate it takes around < 1 hour to build. It was designed by Henrik Rubin Saaby.23 Brickfact users have this set in their collection.
The box measures 11.3 x 7.6 x 2.4 in (28.8 x 19.2 x 6 cm). The recommended retail price is £19.99.
Lego 4720 product data
Set Information
Availability
Release
04/2003
Retiring Status
Retired (12/2004)
Price Information
RRP
£19.99
Insiders Points (for purchase at Lego)
160
Packaging
Packaging dimensions
11.3 x 7.6 x 2.4 in
EAN (GTIN13)
5702014291522
Popularity with Brickfact users
- users have this set
- 23
23 Brickfact users have Knockturn Alley in their collection.
Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of 21 October 2026.
Lego 4720 price trend
Average sale price on secondary marketplaces – not the new price at retailers.
- Current market value
- £88.20
- Growth vs. RRP
- +341 % £19.99
- Range
- £88.20 – £101.45
- Average
- £91.96
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Minifigures from 4720 Knockturn Alley
The Knockturn Alley set includes 2 different minifigures, 2 of which are unique to this set. The combined value of the minifigures is £14.52, which is ~73% of the RRP of this set.
x1
Harry Potter
Harry Potter
2003
#hp038
£8.26
i
Unique
x1
Lucius Malfoy
Harry Potter
2003
#hp039
£6.26
Unique
Part Lists for LEGO 4720 Knockturn Alley
LEGO 4720 Frequently Asked Questions
Is LEGO 4720 still available?
LEGO has retired 4720 Knockturn Alley, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is £88.20.
