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Swallow Cygnet 6x15 T-Shaped Wooden Greenhouse

Swallow Cygnet 6x15 T-Shaped Wooden Greenhouse
Delivery 5-8 weeks ⛟
Free Installation
Click to enlarge - For illustration purposes.

Quick Code: P14363

SAVE £25 EXTRA

Pay ONLY £6527.01 TODAY!

Use code SUMMER25 at checkout
  • 6ft 8" wide x 15ft 9" deep
  • 7ft 9" Ridge Height
  • Includes Installation
  • 3mm Toughened Glazing
  • Oiled Redwood Pine Thermowood
  • Heated Treated for Superior Resistance to Moisture and Warping
  • 20mm PVC Damp Proof Barrier on the Base
  • Stainless Steel Nails Throughout
  • Single Hinged Door with Mortice Lock
  • 4 x Automatic Roof Vent
  • 2 Front Returned Stagings Included
  • Guttering to all sides Included
  • 3 Porch Sizes Available
  • 12-year Warranty
T-Shaped Greenhouse Diagram

Greenhouse Dimensions

A: Greenhouse width

2035mm (6′ 8″)

B: Greenhouse depth

4810mm (15′ 9″)

C: Eaves height

1730mm (5′ 8″)

D: Ridge height

2370mm (7′ 9″)

E & F: Door Size

570mm (1′ 10″) x 1980mm (6′ 5″) (aperture)

G: Porch Width

2035mm (6′ 8″)

H: Porch Length

730mm (2′ 4″)

Minimum Base Size:

2035mm (6′ 8″) x 3490mm (11′ 5″)

Perimeter Base:

A perimeter base made to the above A+B dimensions from 50mm (0′ 1″) thick paving slabs.

Read More

Customise your Greenhouse

More Sizes:

Add Porch Extension?

Porch Extension to 4ft Long
+ £597

Extend the porch length of your Swallow Greenhouse to 4ft long, giving more storage space.

Porch Extension to 6ft Long
+ £1,192

Extend the porch length of your Swallow Greenhouse to 6ft long, giving more storage space.

Porch Extension information

Porch Extension to 4ft Long - £597.00
Porch Extension to 4ft Long

Extend the porch length of your Swallow Greenhouse to 4ft long, giving more storage space.


Porch Extension to 6ft Long - £1192.00
Porch Extension to 6ft Long

Extend the porch length of your Swallow Greenhouse to 6ft long, giving more storage space.


Painted Finish

Oiled
Lily White + £1,339
Bracken + £1,399
Olive + £1,399
Railings + £1,399
Oxford Stone + £1,399
Vert de Terre + £1,399
Purbeck Stone + £1,399
Moles Breath + £1,399
Lulworth Blue + £1,399
Black + £1,399

Painted Finish information

The paint is applied in Swallow’s specialist spray booth with an opaque protective top coat with a flexible microporous film. This paint finish is resistant to bacterial mold and UV sun damage. Custom colours are available for an additional cost and will be colour matched to your choice using Swallow’s in-house specialist paint.

Oiled - £0.00
Oiled

Lily White - £1339.00
Lily White

Bracken - £1399.00
Bracken

Olive - £1399.00
Olive

Railings - £1399.00
Railings

Oxford Stone - £1399.00
Oxford Stone

Vert de Terre - £1399.00
Vert de Terre

Purbeck Stone - £1399.00
Purbeck Stone

Moles Breath - £1399.00
Moles Breath

Lulworth Blue - £1399.00
Lulworth Blue

Black - £1399.00
Black

Add Painted Porch Extension?

Painted Porch Extension to 4ft Long
+ £679

Extend the porch length of your Swallow Greenhouse to 4ft long, giving more storage space.

Painted Porch Extension to 6ft Long
+ £1,355

Extend the porch length of your Swallow Greenhouse to 6ft long, giving more storage space.

Painted Porch Extension information

Painted Porch Extension to 4ft Long - £679.00
Painted Porch Extension to 4ft Long

Extend the porch length of your Swallow Greenhouse to 4ft long, giving more storage space.


Painted Porch Extension to 6ft Long - £1355.00
Painted Porch Extension to 6ft Long

Extend the porch length of your Swallow Greenhouse to 6ft long, giving more storage space.


Add Premium options?

£55 off
Premium Cresting
+ £495

Finish of the styling of your Swallow greenhouse with the traditional premium aluminium cresting and finials.

Qty 1

Premium options information

Premium Aluminium Cresting - £495.00
Premium Aluminium Cresting

Finish of the styling of your Swallow greenhouse with the traditional premium aluminium cresting and finials.


Black Ornate Door Handle - £30.00
Black Ornate Door Handle

Add a black wrought iron ornate door handle. Price is for one handle per door


Add Additional Staging and Shelving?

£20 off
High Level Shelf to the Rear Oiled Finish
+ £189

Add a 250mm wide high level shelf to the Rear of your greenhouse for extra storage of plants, seeds and tools etc

Qty 1
£32 off
Extra Side of Staging Oiled Finish
+ £293

Add another side of staging to the other side of your greenhouse.

£19 off
High Level Shelf to the Front Oiled Finish
+ £176

Add a 250mm wide High Level shelf to the Front of your greenhouse for extra storage of plants, seeds and tools etc

Additional Staging and Shelving information

High Level Shelf to the Rear Oiled Finish - £189.00
High Level Shelf to the Rear Oiled Finish

Add a 250mm wide high level shelf to the Rear of your greenhouse for extra storage of plants, seeds and tools etc


Extra Side of Staging Oiled Finish - £293.00
Extra Side of Staging Oiled Finish

Add another side of staging to the other side of your greenhouse.


High Level Shelf to the Front Oiled Finish - £176.00
High Level Shelf to the Front Oiled Finish

Add a 250mm wide High Level shelf to the Front of your greenhouse for extra storage of plants, seeds and tools etc


Add Dwarf Wall Option?

Dwarf Wall Version
+ £

Order this Greenhouse customised to sit on a brick dwarf wall. Select this option and we'll send you a wall plan to give to your brick layer to complete your wall. We'll then install a version of this greenhouse with a window sill straight onto the wall.

Dwarf Wall Option information

Dwarf Wall Version - £
Dwarf Wall Version

Order this Greenhouse customised to sit on a brick dwarf wall. Select this option and we'll send you a wall plan to give to your brick layer to complete your wall. We'll then install a version of this greenhouse with a window sill straight onto the wall.


Add More Useful Extras?

Qty 1
£16 off
Painted Side Vent
+ £152

Give your greenhouse extra ventilation by letting cool air flow in to regulate the temperature and humidity inside.

Qty 1
£46 off
Wren Cold Frame Oiled Finish
+ £422

Add a Sparrow Coldframe to give even more room for seedlings and plants. Dimensions: 2ft 1” X 4ft 5”

Qty 1
£55 off
Swallow Sparrow Cold Frame Oiled Finish
+ £495

Add a Sparrow Coldframe to give even more room for seedlings and plants. Dimensions: 4ft 5" X 3ft 4"

Qty 1
£32 off
Bench with Shelf Oiled Finish
+ £294

Add a useful work bench with lower shelf that you can move around the greenhouse to suit you. Dimensions: 1200mm x 540mm

Qty 1

More Useful Extras information

Side Vent - £122.00
Side Vent

This side vent opening window will give your greenhouse good ventilation by letting cool air flow in to regulate the temperature and humidity inside, without having to leave the door open.


Painted Side Vent - £152.00
Painted Side Vent

Give your greenhouse extra ventilation by letting cool air flow in to regulate the temperature and humidity inside.


Wren Cold Frame Oiled Finish - £422.00
Wren Cold Frame Oiled Finish

Add a Sparrow Coldframe to give even more room for seedlings and plants. Dimensions: 2ft 1” X 4ft 5”


Swallow Sparrow Cold Frame Oiled Finish - £495.00
Swallow Sparrow Cold Frame Oiled Finish

Add a Sparrow Coldframe to give even more room for seedlings and plants. Dimensions: 4ft 5" X 3ft 4"


Bench with Shelf Oiled Finish - £294.00
Bench with Shelf Oiled Finish

Add a useful work bench with lower shelf that you can move around the greenhouse to suit you. Dimensions: 1200mm x 540mm


The 15ft x 6ft Swallow Cygnet is a real feature greenhouse that will look stunning in any garden. Also it’s delivered and installed for FREE !

4mm Toughened glass is standard on all Swallow wooden Greenhouses and is held in special grooves within the frame and then sealed in place with quality silicone. Inward opening double doors with mortise locks are also standard.

Each roof vent is supplied with Bayliss XL autovents to automatically open the roof vents when you’re not around to stop over heating. You also get a full length of slatted staging down one side of the greenhouse for working on and storing your plants.

The Swallow Cygnet is the finest 6ft wide orangery style wooden greenhouse available today and when you consider it has a 12 Year Warranty and free installation, it’s not hard to understand why we rate Swallow wooden greenhouses so very highly.

  • 2035mm (6ft 8") Wide T-Shaped Wooden Greenhouse - Large Growing Space
  • 730mm (2ft 5") Long Porch - Gable End Entrance
  • Oiled ThermoWood Construction - Heat treated high performance timber.
  • Bottom Boards 12mm - Tongued and Grooved with stainless steel nails
  • Glazing Grooves to hold glazing - Silicone Sealed
  • Single Door with Mortise Lock - Add Security
  • 4mm Toughened Glazing - Safe, Strong and Family Friendly
  • 4 Opening Roof Vents - For Ventilation.
  • 4 Bayliss XL Autovents - Automatically opens your roof vent
  • Guttering to all sides - Collect all that lovely rain water !
  • 2 Front returned stagings - 520mm wide, 745mm high
  • 20mm Black PVC Damp Barrier - Screwed to bottom for
  • 12 Year Warranty - on frame and base.
  • Installation Included in Price - Just order and everything is done for you !

Delivered and Installed within 8-12 weeks from the date that you confirm your base is ready for all finishes.

T-Shaped Greenhouse Diagram

Greenhouse Dimensions

A: Greenhouse width

2035mm (6′ 8″)

B: Greenhouse depth

4810mm (15′ 9″)

C: Eaves height

1730mm (5′ 8″)

D: Ridge height

2370mm (7′ 9″)

E & F: Door Size

570mm (1′ 10″) x 1980mm (6′ 5″) (aperture)

G: Porch Width

2035mm (6′ 8″)

H: Porch Length

730mm (2′ 4″)

Minimum Base Size:

2035mm (6′ 8″) x 3490mm (11′ 5″)

Perimeter Base:

A perimeter base made to the above A+B dimensions from 50mm (0′ 1″) thick paving slabs.

Read More

Swallow Installation Access

Larks and Robins: The minimum access height required for installation

1727mm (5′ 7″)

Cygnet, Jay, and Kingfishers: The minimum access height required for installation, no access through a property.

2032mm (6′ 8″)

Mallard, Swan, Raven, Rook, Falcon, and Eagles: The minimum access height required for installation, no access through a property.

2672mm (8′ 9″)

Always use MM dimensions when planning and building your base: No right angle turns between the access point and installation site.

Please contact us if you have any questions regarding your base area or site.

Thermowood Greenhouse
Why is ThermoWood the Best?

ThermoWood is a thermally modified timber known for its durability and stability in harsh weather.

Oiled Panel
Oiled Finish

Oiling Wood enhances its natural beauty and prolongs its lifespan.

Greenhouse Roof Auto Vents
Autovents as Standard

Swallow use high quality Bayliss XL Automatic roof vent openers as standard on every roof vent. Even when you're not around your greenhouse will be well ventilated.

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Installation Included

Swallow Greenhouses are delivered and installed countrywide for free. You simply order your new greenhouse and it will be delivered and erected in your garden by a Swallow fitting team.

Swallow Greenhouse Damp Barrier
Damp Barrier

20mm black PVC section screwed to the bottom of the greenhouse stops damp rising into the timber.

Swallow Products
Swallow Products

Swallow GB Ltd prides itself on its attention to detail, offering products that are not only functional but also enhance the beauty of any garden. Their greenhouses are built to last, with features like toughened safety glass and automated ventilation systems, ensuring an optimal growing environment..

Swallow 12 Year Warranty
12 Year Warranty

Swallow products come with a 12 year warranty that covers the Timber for Rot, Decay and Insect Infestation. Buildings must be re-treated inside and outside annually with a high-quality wood preserver according to the maintenance advice

Frequently Asked Questions

  • What is the best base for a Wooden Greenhouse?

    Wooden Greenhouses are very heavy, so the base needs to be solid! We recommend a base of either concrete or well-laid slabs. However, for smaller greenhouses, decking can also be a good option. If you want soil inside your greenhouse, you can make a perimeter base from bricks laid onto concrete footings.

  • What size should my base be?

    If you look at the Greenhouse Dimensions diagram on this page you will see "Minimum Base Size", use that. We will also email/post you a base plan for you to work from. Easy!

  • How do I maintain my Wooden Greenhouse?

    We recommend that you apply a good quality wood preserver within 3 months of your greenhouse installation. Then apply a protective coat yearly thereafter. It’s easy to do and your greenhouse will love you for it!

  • What access do our fitters need to install the greenhouse?

    First things first, these greenhouses cannot be brought through your house or garage, as the panels are too large to fit through any normal doorway. We need a straight-through run with no height restrictions or right-angle turns as the panels are too long/high to go around tight bends.

  • I want a dwarf wall model, how does that work?

    OK, so if you select the Dwarf Wall Option for your new greenhouse you will receive a Wall Plan by email and post. You can give this Wall Plan to your builder and they will be able to build a wall to the exact size we need to install your greenhouse onto.

  • I don’t see the paint colour I want, can you help?

    No problem, if you get the RAL code for the paint colour you want we can paint the greenhouse in that colour. This service does attract a 15% increase in the paint price.

Based on 39 reviews
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Paul m
Sale, United Kingdom
Swallow Jay 6x6 Wooden Potting Shed
Excellent and solidly made small greenhouse/shed. Enough room in my back garden for it and surprisingly spacious inside. Love the automatic roof vent.
2 people found this review helpful.
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Timothy B
6x8 Swallow Kingfisher Wooden Greenhouse
High quality product
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Mark J
Swallow Jay 6x6 Wooden Potting Shed
After looking at a few on line we were not sure as the potting shed we liked was a little more expensive than others. Decided to go with it and have to say from start to finish the customer service was excellent. When the potting shed arrived it was assembled and advice given . The quality is second to none and so glad we went for this product
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