LEGO Red London Telephone Box 21347

Historic Red Standout

This K2 telephone box replica, a true British icon, is a masterclass in brick-built architecture. The hinged door reveals a surprising interior, complete with printed tiles and a fully detailed phone console. The accompanying lamppost and fence, adorned with golden spikes, frame the scene, inviting closer inspection of its greebling.

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$114.99
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Set # 21347
Released 2024
Pieces 1460
Price / Piece 7.9¢
Figures None
Age 18+
Scale & Brick Value Piece Volume & Pricing Ranks
Piece Rank #178 Top 12% active
Historic Scale #493 Top 3% of 20,150
Part Efficiency #427 7.7¢/pc • Top 28%
Collector Insights Verified Oct 11, 2026

Includes 2 exclusive molds recorded across official inventories.

This set also includes 4 light extensions
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Set 21347 Build Specifications & Overview

Complete build timeline, spatial dimensions, and display footprint analysis.

Value Breakdown

Est. Build Time (*Pieces per minute)
Casual 12.5h 2 ppm*
AFOL (Avg) 6.2h 4 ppm*
Master Builder 3.6h 7 ppm*
Avg Price / Hour
$18.55/hr
Price Per Basic Brick
$0.08

Highly valuable! 16% cheaper than average LEGO sets.

Display Dimensions

Height 12 in (30.5 cm) 80 Bricks + 2 Plates high
Width 7.5 in (19.1 cm) 61 Studs wide
Depth 6 in (15.2 cm) 48 Studs deep
Display Footprint 45.0 sq in (290.3 sq cm) 61 × 48 Studs

The Scale Check

Height equivalent to approx 19.3 minifigures stacked.

Display Fit
Oversized: Requires Deep Tabletop Surface
Building Instructions

Download or view the official PDF

Third-Party Display Extension

Let There Be Light: LED Upgrades for the Red London Telephone Box

BUILDS:4|STARTER: $23.99|PRO: $29.99|MEDIAN: $29.99

The LEGO Ideas Red London Telephone Box (21347) is a beacon of British charm, but its iconic glow is static. These LED kits bring it to life, illuminating the box's interior and exterior. With prices ranging from $23.99 to $29.99, the market is tight, but the wiring philosophies differ: from Lightailing's pre-soldered harness for a plug-and-play approach to BrickBling's modular micro-LEDs for meticulous concealment, and Game of Bricks and LeLightGo offering expansion boards with optional sound and remote features. Each kit targets a different enthusiast, whether you prioritize speed, stealth, or smart controls.

BrickBling LED kit for LEGO Red London Telephone Box 21347
budget mid +$5.99(vs Cheapest Starter Kit)

Stealth Lighting for the Discerning Builder

$29.98
Starting At
Standard Version$29.98

BrickBling's kit sits in the mid-budget tier at $29.98, focusing on clean, ambient illumination of the telephone box's interior and exterior. Its modular micro-LEDs are designed for concealment, allowing for a tidy build, though you won't get sound or remote features here. This is the perfect choice for purists who want a subtle glow without extra tech.

Set Cost Ratio26.07%
RGB CapableNo
RemoteNone
Price Rank#2 of 4
Game of Bricks LED kit for LEGO Red London Telephone Box 21347
median standard +$6.00(vs Cheapest Starter Kit)

Sound and Light: A Theatrical Upgrade

$29.99
Starting At
Classic$29.99
Sound (Without Remote)$49.99

Game of Bricks lands at $29.99 for the standard kit, but the standout is the $49.99 Sound variant, which adds audio effects for a more immersive display. The modular expansion boards ensure reliable connections, and you get a remote with the Sound version, but RGB is off the table. This kit is ideal for collectors who want their phone box to be the life of the party.

Set Cost Ratio26.08%
RGB CapableNo
RemoteAvailable
Price Rank#3 of 4
LeLightGo LED kit for LEGO Red London Telephone Box 21347
premium ceiling +$6.00(vs Cheapest Starter Kit)

Budget Sound Option with Remote Control

$29.99
Starting At
Classic$29.99
Sound (Remote not included)$44.99

LeLightGo matches the median price at $29.99 for the Classic kit, but the $44.99 Sound tier offers audio without a remote, a curious trade-off. The modular micro-LEDs are budget-friendly, and while the wiring is straightforward, you might spend extra time routing them for a clean look. This kit suits builders who want sound effects but are okay with a manual switch.

Set Cost Ratio26.08%
RGB CapableNo
RemoteAvailable
Price Rank#4 of 4
Lightailing LED kit for LEGO Red London Telephone Box 21347
budget floor

Fastest Install with Full Coverage

$23.99
Starting At
Standard Version$23.99

Lightailing undercuts the competition at $23.99, making it the budget champion. Its pre-soldered integrated harness means thicker wires but a quicker overall setup, and it delivers comprehensive illumination of the box's key features. With no frills like remote or sound, this kit is perfect for those who want maximum light for minimum cash.

Set Cost Ratio20.86%
RGB CapableNo
RemoteNone
Price Rank#1 of 4

Lighting kits and display add-ons are custom third-party accessories produced independently. They are not manufactured, sponsored, or endorsed by the LEGO Group.