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£10 OFF! Use code SHED10 in the basket min order £399 (sheds)
Swallow Raven 8x12 Greenhouse + 4ft Shed Combination
Free Installation
SAVE £708
Click to enlarge
- For illustration purposes.
Greenhouse with 4ft Shed Extension Dimensions:
A: Greenhouse width
2660mm (8′ 8″)
B: Greenhouse depth
5100mm (16′ 8″)
C: Ridge height
2660mm (8′ 8″)
D: Eaves height
1730mm (5′ 8″)
E & F: Door Size
1200mm (3′ 11″) x 1980mm (6′ 5″) (aperture)
Minimum Base Size
2660mm (8′ 8″) x 5100mm (16′ 8″)
Quick Code: P172228
The 8ft x 12ft Swallow Raven Combi Shed Greenhouse offers the best of both worlds with a 4ft Shed and 12ft Greenhouse. Secure storage coupled with a large 12ft growing space. Looking for more storage then choose a 6ft, 8ft or 10ft shed extension. It`s a practical size, looks superb and is installed for FREE!
4ft Shed extension with floor - £0
A compact 4ft 3" Shed extension giving a total building length of 16ft 9"
6ft Shed Combination with floor - £369.00
Add a larger 6ft shed to your greenhouse to give a total length of 18ft 10"
8ft Shed Extension with floor - £739.00
Add a larger 8ft shed to your greenhouse to give a total length of 20ft 10"
Painted Finish 4ft 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 Finish - £0
Lily White - £870.00
Bracken - £870.00
Olive - £870.00
Midnight - £870.00
Black - £870.00
Stone - £870.00
Summer Green - £870.00
Cloud Grey - £870.00
Slate - £870.00
Robin’s Egg Blue - £921.00
Useful Extras information
High Level Shelf Oiled Finish - £118.00
Add a 250mm wide high level shelf for extra storage of plants, seeds and tools etc
Extra Side of Staging Oiled Finish - £237.00
Add another side of staging to the other side of your greenhouse.
Rainwater Systems information
White Rainwater System - £348.00
Add a White Rainwater System to collect and reuse all of that lovely rainwater. Rainwater is after all the best water for your plants.
Black Rainwater System - £348.00
Add a Black Rainwater System to collect and reuse all of that lovely rainwater. Rainwater is after all the best water for your plants.
Additional Shed Options information
Fixed Shed Window - £74.00
Let some light into your shed
Opening Shed Window - £153.00
Add circulation as well as light to your shed.
External Shed Door - £334.00
Add a door at the rear of your shed extension.
Useful Greenhouse Extras information
Greenhouse Side Vent Oiled Finish - £122.00
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.
Swallow Sparrow Cold Frame Oiled - £450.00
Add a Sparrow Coldframe to give even more room for seedlings and plants. Dimensions: 4ft 5" X 3ft 4"
Swallow Wren Frame Oiled Finish - £383.00
4ft 5" x 2ft 1" Cold Frame with toughened Safety Glass.
Bench with Shelf Oiled Finish - £294.00
Add a useful work bench with lower shelf that you can move around the greenhouse to suit you. Dimensions: 1200mm x 540mm
Black Ornate Door Handle - £27.00
Add a black wrought iron ornate door handle. Price is for one handle per door
The 8ft x 12ft Swallow Raven Combi Shed Greenhouse offers the best of both worlds with a 4ft Shed and 12ft Greenhouse. Secure storage coupled with a large 12ft growing space. Looking for more storage then choose a 6ft, 8ft or 10ft shed extension. It`s a practical size, looks superb and is installed for FREE!
3mm Toughened Safety 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 doors with mortise locks are also standard.
Each roof vent is supplied with a Bayliss XL autovent to automatically open the roof vent when you`re not around to stop over heating. You also get a Shed Floor and a full length of slatted staging down one side of the greenhouse for working on and storing your plants.
The Swallow Raven Combi is the finest 8ft wide wooden greenhouse shed combination 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.
- 2660mm (8ft 9") Wide Wooden Greenhouse - Wide access for wheelbarrows etc
- Oiled ThermoWood Construction - Heat treated high performance timber.
- 3mm Toughened Glazing - Safe, Strong and Family Friendly.
- 4 Opening Roof Vents - For Ventilation.
- 4 Bayliss XL Autovents - Automatically opens your roof vents.
- Double Doors with Mortise Lock - Wide access and Security
- Bottom Boards 12mm - Tongued and Grooved with stainless steel nails.
- Glazing Grooves to hold glazing - Solid and Silicone Sealed.
- Full length of Slatted Staging to one side - 520mm wide, 745mm high.
- Shed floor as standard - Keep your items off the floor.
- 762mm (2ft 6") Shed Door with Stainless Handle, Hinges and Lock - Wide access.
- 2 full length shelves to one side of the shed Added Storage.
- 20mm Black PVC Damp Barrier - Screwed to bottom for rising damp protection.
- 12 Year Warranty - on frame and base.
- Installation Included in Price - Just order and everything is done for you !
Delivered and Installed within 5-8 weeks from the date that you confirm your base is ready for all finishes.
Greenhouse with 4ft Shed Extension Dimensions:
A: Greenhouse width
2660mm (8′ 8″)
B: Greenhouse depth
5100mm (16′ 8″)
C: Ridge height
2660mm (8′ 8″)
D: Eaves height
1730mm (5′ 8″)
E & F: Door Size
1200mm (3′ 11″) x 1980mm (6′ 5″) (aperture)
Minimum Base Size
2660mm (8′ 8″) x 5100mm (16′ 8″)
Greenhouse with 6ft Shed Extension Dimensions:
A: Greenhouse width
2660mm (8′ 8″)
B: Greenhouse depth
5730mm (18′ 9″)
C: Ridge height
2660mm (8′ 8″)
D: Eaves height
1730mm (5′ 8″)
E & F: Door Size
1200mm (3′ 11″) x 1980mm (6′ 5″) (aperture)
Minimum Base Size
2660mm (8′ 8″) x 5730mm (18′ 9″)
Greenhouse with 8ft Shed Extension Dimensions:
A: Greenhouse width
2660mm (8′ 8″)
B: Greenhouse depth
6360mm (20′ 10″)
C: Ridge height
2660mm (8′ 8″)
D: Eaves height
1730mm (5′ 8″)
E & F: Door Size
1200mm (3′ 11″) x 1980mm (6′ 5″) (aperture)
Minimum Base Size
2660mm (8′ 8″) x 6360mm (20′ 10″)
Greenhouse with 10ft Shed Extension Dimensions:
A: Greenhouse width
2660mm (8′ 8″)
B: Greenhouse depth
6985mm (22′ 11″)
C: Ridge height
2660mm (8′ 8″)
D: Eaves height
1730mm (5′ 8″)
E & F: Door Size
1200mm (3′ 11″) x 1980mm (6′ 5″) (aperture)
Minimum Base Size
2660mm (8′ 8″) x 6985mm (22′ 11″)
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.
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.
Why is ThermoWood the Best?
ThermoWood is a thermally modified timber known for its durability and stability in harsh weather.
Oiled Finish
Oiling Wood enhances its natural beauty and prolongs its lifespan.
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.
Staging Included
Swallow include a length of slatted staging with all greenhouses that is 520mm wide and 745mm high.
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.
Damp Barrier
20mm black PVC section screwed to the bottom of the greenhouse stops damp rising into the timber.
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..
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
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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.
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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!
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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!
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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.
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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.
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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.
