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Forest Sanctuaries

The Haven - Garden Room

The Haven - Garden Room

Regular price £18,599.00 GBP
Regular price Sale price £18,599.00 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 statement garden room with traditional apex styling and recessed frontage – engineered for year-round luxury, light and flexibility.

Product Description

The Haven – Apex Garden Room by Forest Sanctuaries

Make a statement with The Haven, a traditional apex garden room with a recessed front wall for classic character and maximum versatility. Designed to achieve permitted development height requirements, The Haven is ideal for use as a luxury home office, studio, or relaxation space – starting at a generous 4m wide.

  • Traditional apex design: Recessed frontage, classic roofline and elegant proportions.
  • Fully insulated SIP construction: All-season comfort and outstanding energy performance.
  • Customisable cladding: Mix and match Thermowood, British Cedar, or Western Red Cedar on each wall.
  • Flexible glazing: Choice of sliding patio or French doors with side panels (2800mm aperture as standard).
  • Premier quality: Precision engineered, robust, and crafted to impress.

Ask us for bespoke sizing, extra glazing, or a fully installed solution. Contact us today.

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. All four walls can be clad in your preferred timber, or mix-and-match for a unique finish (custom quotes on request).
  • Glazing (standard): 2800mm aperture – your choice of sliding patio doors or French doors, each with two glazed side panels.
  • French doors style: D1 – French doors with two side panels
  • Sliding patio style: D2 – Sliding patio door with two side panels
  • Glazing upgrades: Aluminium, bi-fold doors, extra glazing, bespoke layouts available (please ask for 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

Do I need planning permission?
Most garden rooms do not require planning permission if located 2m from boundaries and under permitted development rules, but always check with your local authority.

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

Can I customise doors, glazing, or cladding?
Yes! You can mix cladding types, add extra windows/doors, or upgrade to aluminium/bi-folds. We’ll quote for your preferred spec.

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

Ready to create your perfect haven?

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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