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Forest Sanctuaries

Serenity - Garden Room

Serenity - Garden Room

Regular price £18,399.00 GBP
Regular price Sale price £18,399.00 GBP
Sale Sold out
Shipping calculated at checkout.

Price includes all Taxes + Free kerbside delivery (mainland UK)

Price shown is for self-build kit only. Installation available at extra cost in select regions. Furniture is not included

Now booking install dates from onwards – secure your slot early!

Act fast – installation slots fill up quickly each month.
Bonus: Free site survey & design consultation for all July enquiries.

Questions? Speak to an Expert

Supplied as a self-build kit with everything you need. Prefer a hassle-free install? We offer professional installation in select regions — contact us for a tailored quote. Got questions or need a price fast? Call our friendly UK team for straight answers, no pressure..
Available 7 days, 8am–8pm.

Call 020 8058 5940

A modern, dual-aspect garden room with corner glazing – designed for maximum light, style, and versatility all year round.

Product Description

Serenity – Corner Glazed Garden Room by Forest Sanctuaries

The Serenity brings the outside in, with striking glazed corner panels for stunning dual-aspect views and a bright, flexible interior. Perfect as a home office, studio, gym, or stylish retreat – the wrap-around deck and roof frame flow with the glazing for a seamless contemporary look.

  • Signature corner glazing: Dual-aspect views and maximum natural light.
  • Architectural deck & roof: Lines follow the glazing for a unified look.
  • All-season comfort: Extra-thick SIP panels, EPDM roof, and high-spec insulation.
  • Choose your cladding: Thermowood, British Cedar, or Western Red Cedar – clad all four sides or mix types.
  • Customisable: Bespoke sizes, extra glazing, and more – see upgrades tab.
Product Specifications

Shell, External, & Internal Kit

  • SIP wall and floor panels 122mm thick (100mm insulation)
  • SIP Roof Panel 122mm thick (100mm insulation)
  • SIP floor panels with bitumen-coated underside
  • Water resistant floor bearers
  • External cladding of your choice (+10%)
  • UPVC glazing for your size of room and lintel (Anthracite Grey outside, White inside)
  • Breather membrane & cavity batten
  • EPDM complete rubber roof kit
  • Guttering & down pipe
  • All splines, timber cappings, floor and top plates
  • Stainless steel brad nails
  • Full fixing kit of screws and timber locks
  • Expanding foam & wood glue
  • MDF decorative panel internal wall finish
  • D.P.C. & rain sheet
  • Full instruction guide & video
  • Full technical drawing, including ground screw layout (if required)

Shell & External Kit

  • SIP wall and floor panels 122mm thick (100mm insulation)
  • SIP Roof Panel 122mm thick (100mm insulation)
  • SIP floor panels with bitumen-coated underside
  • Water resistant floor bearers
  • External cladding of your choice (+10%)
  • UPVC glazing for your size of room and lintel (Anthracite Grey outside, White inside)
  • Breather membrane & cavity batten
  • EPDM complete rubber roof kit
  • Guttering & down pipe
  • All splines, timber cappings, floor and top plates
  • Stainless steel brad nails
  • Full fixing kit of screws and timber locks
  • Expanding foam & wood glue
  • Does not include MDF internal wall finish
  • D.P.C. & rain sheet
  • Full instruction guide & video
  • Full technical drawing, including ground screw layout (if required)
Glazing & Cladding Options
  • Cladding: Thermowood, British Cedar, or Western Red Cedar. Clad all four walls as you wish or mix-and-match (get in touch for a custom quote).
  • Standard Glazing: 2400mm (front) plus 600mm glazed panel (side elevation).
  • Door Options: French doors or sliding patio doors, both with single glazed side panel.
  • Window Options: 600mm landscape glazed panel.
  • Glazing upgrades: Aluminium, bi-fold, extra windows, or custom layouts (ask for a quote).
Extras & Upgrades
  • Bespoke sizes in the Premier range (ask for a quote)
  • Mix-and-match cladding by wall
  • Extra windows, doors or custom placement
  • Glazing upgrades (aluminium, bi-fold, etc.)
  • Professional installation in select regions
  • Decking, lighting, interior upgrades
Delivery
  • Delivery time: 4–6 weeks from order confirmation 
  • Nationwide delivery available
FAQs

Is Serenity suitable for year-round use?
Yes – the extra-thick SIP construction ensures warmth in winter and cool comfort in summer.

Can I customise the layout, doors or cladding?
Absolutely – choose from three premium timbers and a range of door/window options, or add bespoke glazing.

What’s the difference between the kits?
Shell, External, & Internal includes everything for a finished room including MDF internal wall finish. Shell & External is ready for your own interior fit-out.

Is installation available?
Yes – professional installation is available in select regions.

Ready to create your perfect Serenity?

Enquire now for your free, no-obligation quote: Call 020 8058 5940
Or fill out our enquiry form and we’ll get back to you as soon as possible.
Delivery Policy – Large Garden Room Kits
  • Delivery method: All garden room kits are delivered by large truck (up to 18 tonne). Please ensure your site can accommodate vehicle access.
  • Kerbside delivery only: The driver will position the vehicle as close as possible to your property entrance, subject to parking/access restrictions.
  • Unloading: The driver is not responsible for offloading. Please arrange at least two able‑bodied people to unload components on the day of delivery.
  • Access requirements: If access is restricted (narrow lanes, low bridges, weight limits), let us know in advance so we can confirm feasibility.
  • Delivery day: You’ll receive your delivery date in advance. Someone 18+ must be present to receive the goods, assist with unloading and sign for the delivery.
  • Missed delivery: If delivery can’t be completed due to access issues, no one present, or unloading not arranged, a re‑delivery charge will apply.
  • Inspection: Please check for visible damage before signing. Report any issues within 48 hours of delivery with photographs.

Nationwide delivery available. Installation is optional and quoted separately.

Prefer a Complete Service?
Let Us Build Your Garden Room


  • Expert Installation: Our team can handle your full garden room build.
  • Groundworks & Concrete Base: Site preparation and concrete base available in the Midlands region.
  • Electrics & Internal Finishes: Professional electrical installation and finishes, Midlands only.
  • Bespoke Upgrades: Custom interiors, painting, climate control, smart tech and more available on request.
Groundworks, concrete base, and electrics available as an extra service. All services are optional and quoted separately from the product price.
📞 Call Our Team: 020 8058 5940
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