PORTARA
Free survey · Fixed quote · Fitted in 6–8 weeks · Building-regs certificate
Surveyed and fitted by Optimal Builders, our installation partner for London & Essex — watch their client testimonials.
European precision engineering, sold and installed by our certified local team. Design yours and see your price in under two minutes.
The centrepiece. Monumental doors up to 3 m tall that rotate on a concealed axis — engineered to move with one finger.
Flush, minimal, thermally broken aluminium doors up to 2.7 m — any RAL colour, security tested, whisper-quiet closing.
Genuine slim-profile steel — not an aluminium imitation — with welded glazing bars. The Crittall look, honestly priced.
Slim-framed aluminium bifolds that fold the back of your house away — up to 4.8 m wide, any RAL colour.
Glass walls that glide. Heavyweight lift-and-slide panels up to 2.6 m tall that move effortlessly and lock like a vault.
A pivot door is not a bigger front door — it is a different species. Ours are engineered in our European factory, finished in any RAL colour, and installed by our certified local team with millimetre-level precision.
*Certification details confirmed per specification at quotation.
Signature infills are made to order in quartz sinter, lacquered glass, natural oak and milled aluminium, on pivot doorsets from 1.4 m to 1.8 m wide and up to 3.0 m tall. Each design shows its installed from-price for a standard opening; the Signature surcharge is fixed per design and is included in your guide price. Tap any design to see it installed, read what it is made of, and send it straight to the estimator. Signature infills are patterned on the outside face; the inside of the leaf is a smooth panel in your chosen colour. Included designs are finished on both faces.
| Portara | UK bespoke door brands | Buying direct from abroad | |
|---|---|---|---|
| See your price online | ✓ Instant estimate in 2 min | ✗ Quote-only — “we do not have a price list” | Supply price only — fitting is your problem |
| Typical pivot door, installed | from £8,095 | £10,000–£20,000+ | £5,500–£7,500 + find your own installer |
| Lead time to fitted | 6–8 weeks | 8–20 weeks | 8+ weeks, then you arrange fitting |
| Oversized & pivot formats | ✓ Standard — priced online | Usually a surcharge, quoted on request | Varies — sizing and fixings are your problem |
| Certified local installation | ✓ Our local team, FENSA/Certass | ✓ Usually | ✗ Independent fitters, split responsibility |
| Building-regs certificate | ✓ Included | ✓ Usually | ✗ Your own building-control application |
Market ranges compiled July 2026 from published UK price guides and supplier websites; individual quotes vary by size and specification.
No callbacks required. No “POA”. Tell us the size, choose the finish, get a real guide price — then book a free survey if you like what you see. Pricing a different door? Pick it from the cards above or switch it here.
Drawn to the proportions you choose. Indicative only — glazing bar spacing, handle position and hardware finish are confirmed at survey.
Not sure? Pick the closest — our surveyor measures everything precisely before anything is made.
Configure your door and see a real guide price instantly — no “request a callback” wall.
Our certified local team visits, measures precisely, and confirms a fixed written quote within 48 hours.
Your door is made to the millimetre in our European factory and delivered on insured transport.
Fitted by our local installers. Building-regs certificate included.
Typical journey: 6–8 weeks from survey to fitted — while others quote 8–20.
Visualisations shown; photography from our UK installations is added as projects complete.
On the islet of Palatia, at the mouth of Naxos harbour, a marble doorway stands alone against the sea. It was raised around 530 BC on the order of the tyrant Lygdamis, who intended the largest temple in the Aegean. Its blocks — some weighing twenty tonnes — were cut at Flerio and hauled ten kilometres to the shore.
He fell from power around 524 BC and the work stopped. The columns were never raised. The roof was never closed. Every other stone was carried away over the centuries and built into something else.
The doorway is still there. Two and a half thousand years of weather, war and quarrying, and the one part nobody could move — or bring themselves to take — was the door.
The Greeks call it Portara — the great door. We took the name because it sets the standard we are measured against: the entrance should be the part of the building that lasts.
Uw for a standard 1400 × 2400 pivot doorset, engineered to meet Part L on a door this size — confirmed on your quotation for your exact specification.
Triple toughened, Ug 0.5 W/m²K, warm-edge SWISSPACER spacer bar. Standard on every door — not an upgrade line on your quote.
Declaration of Performance and CE documents with every order. Toughened glazing to Approved Document K, trickle vents for Part F and per-size U-value declarations where required.
Every Portara door names the system it is built on, because a door described only as "premium aluminium" tells you nothing about what is holding it together. Pivot doorsets run on Reynaers MasterLine 8. Tall and flush entrance doors are built on Aluprof MB-79N, bifolds on Aluprof MB-86, and the lift & slide range on its own dedicated profile — your quotation names the exact system for the door you are buying. All are thermally broken and manufactured for Portara in Europe.
Fitting is carried out by a FENSA or Certass registered installer who holds their own public liability cover. Where a new or enlarged opening is formed, your installer will notify Building Control — self-certification schemes cover replacements into existing openings only.
Our certified local installation team — the same people who survey your home. Every in-scope installation is self-certified under the FENSA/Certass competent-person scheme, so you receive a building-regulations completion certificate without lifting a finger.
Yes — it’s a genuine guide price for the configuration you choose, supplied and fitted. Your final fixed quote is confirmed after the free survey, and it only changes if the measured sizes or specification change.
Replacing an external door doesn’t normally need planning permission. Building regulations do apply — and we handle that for you: our installers self-certify the work and you receive the certificate automatically.
The doorset — frame, leaf and factory-applied finish — carries a two-year manufacturer warranty from delivery against manufacturing defects, on every format including pivot and oversized leafs. Glazing and hardware carry their own manufacturer cover. Installation workmanship is warranted separately by the installer who fits your door, under their own terms and their FENSA or Certass registration. None of this affects your statutory rights against the installer who sells you the door under the Consumer Rights Act 2015.
A 50% deposit when you sign off your survey sizes and place the order, and the balance before your door leaves the factory — never the full amount up front. You pay your installer, who contracts with you directly, so the deposit terms and protections are theirs; your statutory cancellation rights on the service element of the contract are unaffected.
Yes, for standard colours and specifications: made to measure in our European factory and fitted by our local team, typically 6–8 weeks from survey sign-off. Complex bespoke work can take longer — we tell you the honest date before you commit, and we hold ourselves to it.
The full range, honest price bands for every model and size, and the five things that actually move the cost of a door. One email, no phone number, no salesperson.
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Two minutes. Real prices. No pressure — the survey is free and the estimate is yours to keep.
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