LEGO Flatiron Building set

Flatiron Building

The Flatiron Building (21023-1) is a LEGO Architecture set that was released in May 2015 and retired in December 2016 with a shelf life of 1 year and 8 months .

This LEGO set has 471 pieces and had a RRP of $39.99 (£34.99 / 39.99€) which equates to a price per piece of 0.08c (0.07p / 0.08€) . Since it retired it has grown in value by 125.6% and now has a value of $90.23 based on average sale price over the last 6 months.

Price over time

New condition


This set contains 0 minifigures.

Monthly sales

Set pieces

The Flatiron Building has 471 pieces and is ranked 2110 on the list of biggest LEGO sets ever made.

The most common colour in this set is Tan

The most common part in this set is Tile 1 x 2 with Groove

My collection

Set details

Name: Flatiron Building

Theme: Architecture

Set number: 21023-1

Status: Retired

Retired for: 7 years, 7 months

Pieces: 471

Minifigures: 0

Released: May 2015

Retired: December 2016

Shelf life: 1 year, 8 months

US Flag $39.99
GB Flag £34.99
EU Flag 39.99€
US Flag 0.085c
GB Flag 0.074p
EU Flag 0.085€

Set value

Confidence: High

Current value: $90.23

Increase from RRP: 125.6%

Yearly ROI: 16.6%

Where to buy

Bricklink logo Bricklink £58.08 Buy
Amazon logo Amazon Buy


Faded medal
2110th biggest LEGO set ever made
Faded medal
34th biggest LEGO Architecture set

Other Architecture sets

Similar size sets

LEGO Flatiron Building set