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Theolenn
Theolenn

Description

Discover the discretion of the Theolenn gate, a perfect harmony between modernity and customisation. Designed with 30 x 30 mm aluminium battens and an aluminium frame, this gate offers a sober canvas to reflect your unique style. Choose from 25 standard RAL colours or explore the 5 Wood tone to create an atmosphere that suits you. The distinctive features of the Theolenn include 90 mm openwork slats and precise alignment for minimalist aesthetics. Don't miss out on this new addition for 2024, an opportunity to add a distinctive and personalised touch to your entrance.

View detailed product sheet
Swing gate* from £4436
*Dimensions by default: 3500x1700 mm inc. VAT & installation. Without automation
Configure
Main characteristics
Filling : Slats 90x25 mm openwork
Level of privacy : Openwork
Top shape : Straight
Maximum leaves dimensions : 5000 x 1750 mm
Maximum sliding dimensions : 5970 x 1750 mm
Assembly method : Mechanical Aluminum

*Due to manufacturing technical constraints, maximum widths and heights may be revised.

Handle : lacquered in the same colour as the portail
High and low hinges : lacquered in the same colour as the portail
Caps : lacquered in the same colour as the portail
Posts : aluminium posts to match the portail as option
House number : laser cut or alunox
Mailbox : lacquered in the same colour as the portail

enumProductType: PORTAIL (1)

isPortail: yes

isPortillon: no

isGardeCorp: no

isCloture: no

isCloturesSeparatives: no

300+ STANDARD COLOURS
All our aluminum gates are available in over 300 standard colours
View colours
Motorisable : several types of motorisation
Access control optional : doorbell, keypad, video intercom...
Connected motorisation : available
Connected parcel box : available as option

All our gate aluminium models are guaranteed for 30 years on manufacturing and powder coating. Easy to maintain, just use clean water, a non-abrasive sponge and a soft absorbent cloth to preserve the beauty of your gate.

Learn more about maintenance

They entrusted us with their project

Customer testimonials

Avis Google

We installed a Kostum gate and fence from the Céklo range. The quality is exceptional and the design very contemporary. The lacquering is perfect and the finishes are well-crafted. Our neighbors even asked us where we bought it!

M

Marie Dupont

June 14, 2026

Avis Google

After thorough research, I opted for a Kostum bioclimatic pergola. The installation was carried out perfectly by an approved partner. The pergola perfectly withstands the weather conditions of our Breton region and allows us to enjoy our terrace all year round. The after-sales service is also very responsive.

T

Thomas Martin

April 14, 2026

Avis Google

Very satisfied with our aluminum railing. The refined design integrates perfectly with our contemporary house. The color matches the sample and holds up well over time. Only small downside, the delivery time which was a bit longer than expected, but the quality is worth the wait.

S

Sophie Leroy

February 14, 2026

Avis Google

Very good commercial and technical contact. The gate corresponds exactly to our expectations. Quick and careful installation. We recommend Kostum without hesitation.

J

Julien Petit

July 14, 2026

Avis Google

Good product, as described. Some adjustments were necessary during installation, but the after-sales service was efficient.

L

Lucas Moreau

March 14, 2026

Avis Google

Quality delivered, the result is superb. Responsive customer service that listens to our specific needs. Deadline respected.

C

Claire Dubois

July 24, 2026

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50 years of French know-how and custom work

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600 qualified installers for a flawless installation

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20,000 custom projects completed every year

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30-year warranty on manufacturing and coating

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