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Our Gabriel Ash Review
Worth considering only if you can buy an existing or in-stock unit and you want a genuine heirloom-grade cedar glasshouse with RHS pedigree, and the price is not the deciding factor. Everyone else should skip it, both on cost and because the brand has stopped producing new greenhouses; if you do buy, insist on written confirmation that your specific order and warranty will be fulfilled before paying.
Quote-based and winding down. The brand closed in April 2026 and takes no new orders, so these are last verified UK retailer prices, not a live order book. GardenSite lists the range from £2,399.99 for the starter Classic 6x4, £3,839.99 for the popular Classic 6x8, up to £12,249.99 for the largest 12x20 Classic, delivery included in mainland UK. As of July 2026 its only live listing is a reduced ex-display Classic 6x8 at £2,999.99. If you find remaining stock, get the price and warranty confirmed in writing before paying.
GardenSite (UK Gabriel Ash retailer) · Verified July 2026
Before you buy Gabriel Ash
These are the fastest buyer pages to read next if this brand is on your shortlist.
Start with the best greenhouses roundup
The fastest way to narrow the right lane, budget, and glazing before you go deep on a brand.
Check the real all-in costs
Budget for the structure, base, anchoring, ventilation, and the power runs buyers miss.
Glass or polycarbonate for your climate
Match the glazing to your climate, hail risk, and how you will use the greenhouse before you commit to a brand.
Hartley Botanic vs Alitex
The premium glass lane head to head, from Janssens to the heirloom glasshouses.
What size greenhouse do you need
Size it to what you grow and your climate before you commit to a model, and buy one step up.
The greenhouse buying guide
The full decision path: budget, glazing, size, base, shortlist, and what to ask before you sign.
From Gabriel Ash
Official product imagery and links from the brand.
Images courtesy of Gabriel Ash.
Strengths & Considerations
Strengths
- +The only timber greenhouse manufacturer endorsed by the RHS, a relationship held for over a decade
- +Built from certified western red cedar (PEFC sourced), which is naturally rot and insect resistant and ages well
- +Toughened safety glass plus aluminium base plinth, ridge and automatic roof vent as standard on all structures
- +Handcrafted in the UK with a strong reputation for finish, longevity and a 12-year warranty on the greenhouses
- +Timeless, high-status design that many owners keep for decades rather than replace
Watch Out For
- −The brand is closing as of April 2026, so no new models are being made or sold; only existing orders, warranties and spare parts are being honoured going forward
- −Very expensive relative to kit greenhouses, with entry prices several times higher than a comparable polycarbonate kit
- −Cedar needs periodic re-oiling and upkeep, and glass glazing is heavier and more work to install and maintain than polycarbonate
Before You Buy: Confirm These
These are Gabriel Ash's own documented terms and open questions, not our own test results. Confirm the specifics in writing before you order.
- ?Glass glasshouses need a proper level, load-bearing base (a concrete or brick footing), so budget for real groundwork before delivery
- ?Because the brand is winding down, weigh the long-term availability of parts and support even though Juliana has pledged to honour warranties
- ?This is a UK-market brand with UK-focused delivery, so overseas buyers should confirm shipping and installation separately
Alternatives to Compare
Janssens
premiumRight for a hands-on buyer who wants a real glass, Victorian-style greenhouse with a genuine architectural look for a fraction of Hartley or Alitex money, and who is comfortable managing a freight delivery and a substantial self-build. Skip it if you want white-glove installation, a single accountable manufacturer, or an insulated structure, and treat the exact warranty and the specific seller's reputation as things to verify in writing before you pay.
Hartley Botanic
luxuryRight for a buyer who wants a genuine heirloom glasshouse with an 85 year British pedigree and RHS endorsement, and who is comfortable spending premium money and waiting months for a hand-built, professionally installed structure. Skip it if you want a fast, fixed-price kit you assemble yourself, or if you are not prepared to add masonry base work and a multi-month timeline to the budget.
Comparing a few brands?
Tell us your space and budget. We'll tell you whether Gabriel Ash or one of these fits you better, and check your quote so you don't overpay.
Why Consider Gabriel Ash?
The timber-look premium option, cedar over an aluminium structure, RHS-endorsed. Warmer looking than bare aluminium and lower upkeep than a pure wood frame, though cedar still needs occasional care. Verify current models, endorsement status, and warranty at write time.
Key Models
budget cedar line with a 10-year structural guarantee, the most affordable way into the brand (lower cost than the Classic range, exact list price varies by retailer)
compact starter cedar greenhouse with toughened glass and automatic roof vent, from about £2,399.99
the most popular size for a typical garden, from about £3,839.99
larger family glasshouse with internal aluminium A-frame, from about £5,799.99
bespoke RHS-endorsed showpieces at the top of the range, typically five figures and priced by build
Support & Warranty
Gabriel Ash historically offered a 12-year warranty on its greenhouses, with the entry Essential range carrying a 10-year structural guarantee. Following the April 2026 closure announcement, Juliana Group has publicly stated that all existing orders will be fulfilled, all existing warranties will continue to be honoured, and replacement parts and spare components will remain available; customer service continues to handle enquiries about orders, warranties and parts. Buyers should get any warranty terms in writing given the brand is no longer taking new orders.
FAQ
Is Gabriel Ash worth it in 2026?
Worth considering only if you can buy an existing or in-stock unit and you want a genuine heirloom-grade cedar glasshouse with RHS pedigree, and the price is not the deciding factor. Everyone else should skip it, both on cost and because the brand has stopped producing new greenhouses; if you do buy, insist on written confirmation that your specific order and warranty will be fulfilled before paying.
How much do Gabriel Ash greenhouses cost?
Gabriel Ash greenhouses run from about £2,400 up to about £12,250 based on current pricing on GardenSite (UK Gabriel Ash retailer) as of July 2026. Quote-based and winding down. The brand closed in April 2026 and takes no new orders, so these are last verified UK retailer prices, not a live order book. GardenSite lists the range from £2,399.99 for the starter Classic 6x4, £3,839.99 for the popular Classic 6x8, up to £12,249.99 for the largest 12x20 Classic, delivery included in mainland UK. As of July 2026 its only live listing is a reduced ex-display Classic 6x8 at £2,999.99. If you find remaining stock, get the price and warranty confirmed in writing before paying.
Who is Gabriel Ash best for?
Buyers who want the warmth of a timber-framed glasshouse with less upkeep than all-wood, at a premium below the top aluminium tier.
What should buyers watch out for with Gabriel Ash?
Glass glasshouses need a proper level, load-bearing base (a concrete or brick footing), so budget for real groundwork before delivery
What brands should you compare against Gabriel Ash?
Most buyers should compare Gabriel Ash with Janssens and Hartley Botanic before deciding. That gives you a better read on price, support, and where the brand actually fits.
How strong is Gabriel Ash on warranty and support?
Gabriel Ash historically offered a 12-year warranty on its greenhouses, with the entry Essential range carrying a 10-year structural guarantee. Following the April 2026 closure announcement, Juliana Group has publicly stated that all existing orders will be fulfilled, all existing warranties will continue to be honoured, and replacement parts and spare components will remain available; customer service continues to handle enquiries about orders, warranties and parts. Buyers should get any warranty terms in writing given the brand is no longer taking new orders.
Methodology
Brand verdicts are based on buyer fit, build quality, support path, price pressure, and the risks that tend to show up after delivery. A strong reply from a manufacturer can improve factual clarity, but it does not improve placement.
If support coverage, warranty language, or dealer access are thin, we would rather say that plainly than hide it behind marketing copy.
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