Technical specifications, colours and glazing options

Browse our brochures and tabs below for full technical specifications, frame colours, roof options and glazing choices. Everything you need to specify a new conservatory accurately is right here.

How we build our P-shaped conservatories

Every P-shape we manufacture starts with reinforced Eurocell uPVC profiles, designed for exceptional strength and excellent thermal efficiency. We work from your final measurements to deliver a bespoke solution that suits the available space on site.

Roofs are either fully glazed using Martindale's or Glasscraft units, or finished with a tiled warm roof system. Secure-by-Design locks are fitted as standard across the whole structure, and there are a variety of doors and windows to choose from.

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Glass or solid roof options

Choose a traditional glass roof for plenty of natural light or a roof for a more permanent feel. Both excel at thermal performance. 

Eurocell uPVC frames

We use Eurocell profiles throughout, giving exceptional durability, low heat loss and full compliance with current building regulations.

Internal finishes

Specify a plaster, timber or PVC cladding finish internally. Each option suits different architectural preferences and gives a fantastic finish.

Various uses, one structure

A P-shape works as a dining area and casual family space, a kitchen extension or a formal dining and lounge combination.

Key technical specifications

Everything you need to know about our range.

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SpecificationDetail
Frame materialEurocell uPVC, reinforced
Roof U-value (Therma-Roof)Around 0.16 W/m²K
GlazingDouble or advanced triple glazing systems
Glass supplierMartindale's (Blackburn) & Glasscraft (Leeds)
Roof optionsGlass, Therma-Roof, Solar Frame solid roof
External roof finishMetrotile Alu-Zinc, 40-year guarantee
HardwareTotal Hardware, Secure-by-Design locks
VentilationManual or electric centre pivot roof windows with rain sensor
ColoursAnodised, single or dual colour finishes
ComplianceCurrent building regulations, LABC-tested roof systems

Glazing and security as standard

We supply double glazing as standard with advanced triple glazing systems available on request, using sealed units from Martindale's and Glasscraft. Centre pivot roof windows can be added for natural light and ventilation, with manual or electric rain-sensor options. Secure-by-Design locks are fitted throughout.

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Frame colours

Our Eurocell uPVC profiles are available in a wide range of finishes, including white, anthracite grey, black, cream, chartwell green and woodgrain effects. Dual colour options let you match interior and exterior tones.

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Download our brochures

Download our brochures for full U-values, glazing data, roof specifications and colour swatches. Useful for site surveys, client meetings and accurate quoting without having to wait on a call back.

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Two rooms, one conservatory

A P-shape combines a Victorian or Edwardian conservatory with a lean-to, giving you a characteristic bay front on one side and a longer extended living area on the other. The dual usage potential works well in larger properties, creating two distinct areas for different activities under one roof.

Our Eurocell uPVC frames offer exceptional strength, exceptional design flexibility and the added benefit of exceptional insulation. Paired with sealed units from Martindale’s and Glasscraft, your clients get a new conservatory built to last with excellent thermal efficiency.

Why trade installers choose Alpine

With approaching 80 years of combined industry experience between Peter and Richard, we know what trade fitters need. We’re a family-run manufacturer based in Morley, Leeds, supplying installers primarily across Yorkshire, Selby, Ripon, Harrogate and York, but we work across the entire UK.

You’ll get same-day responses to trade enquiries, a quote within 24 hours and typical delivery inside two weeks. Whether it’s a single frame or a full P-shape, we treat every order with the same care and attention.

P-shaped conservatory FAQs

Common questions from trade customers about specifying, ordering and installing our P-shaped conservatories. Need something not covered here? Call our team on 0113 531 3148.

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How we work with the trade

Our Process

Initial quote

Send us your sizes online or over the phone. We turn most trade quotes around within 24 hours, and there is no obligation to proceed.

Conversation

We talk through the priorities for you or your client, be it design, thermal performance, security, colour finish, glazing, or locking.

Manufacturing

We manufacture in-house at our Morley facility using Eurocell uPVC profiles, DoorCo composite slabs and Alunet aluminium systems. Typical lead time is two weeks.

Bespoke build, testing and supply

Every frame is made to your exact sizes and quality-checked before despatch. Supply only as standard, full installation available on request.

What fellow trade professionals say about us

Honest feedback from the installers, builders and double glazing companies we supply day in, day out.

Read our reviews

Had both front and back stable doors fitted recently, and I have to say the men that came to fit them were really good, pleasant, efficient and did a great job! I am really pleased with my doors and the way the men conducted themselves; they are a credit to Alpine – thanks again.

Carol Marshall

Google

I can’t thank the team at Alpine enough for all of the hard work on your build. They were great from the start, being really helpful through the quote process and in advising. The fitting team worked so hard to make sure everything was perfect, and nothing was too much trouble. We are so happy with Alpine. The results really speak for themselves, and we would not hesitate to recommend them to anyone!

Kate Oakes

Trustpilot

We recently renovated a small cottage and needed to consider the traditional look and feel of the property, Alpine Windows and Doors were brilliant, listening to our requirements, we ended up with 6 sash windows and a new composite door all in a non standard colour, which was no problem. from placing the order to the completion of the installation nice and smooth, 5 weeks time frame, fitted perfectly with our project, would highly recommend

Tom Crowe

Google

Excellent service from start to finish. They made the process from colours to design easy, nothing was too much trouble. Lovely polite staff and fitters. Fitters turned up on time and finished to an exceptional standard (I am a perfectionist!) left my home clean and tidy and removed all old frames and doors. Couldn’t fault them at any stage and would highly recommend them. I would give more than 5* if I could.

Sarah Wood

Google

Peter at Alpine has done the windows and doors at both our offices and my home. The service was very professional, fast and competitive price wise. I had a combination of Aluminium bi folds and French doors with UPVC windows. I cannot fault the quality. Very happy to recommend for both domestic and commercial projects.

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