Heritage-style single-sash outward-opening casement window

Made-to-measure historic timber window opening outwards

Single-Sash Historic Timber Casement Opening Outwards

Built specifically for the surveyed aperture, this timber model has one outward-opening sash. Specify pine or oak, colour, handle and pane-bar pattern, and select either double- or triple-glazed insulated glass to suit the project.

Guarantee

5 years

Frame components

Outer frame 105 × 57 mm; sash frame 76 × 65 mm

Installation holes

14 mm

Glazing specification

Double- or triple-glazed insulated unit

01

Using the Outward-Swinging Sash

One hinged sash opens towards the outdoors. Unlike an inward-opening design, its travel occurs beyond the exterior face, leaving the corresponding indoor zone outside the sash’s arc. This can be useful when organising a room, although it does not guarantee that particular furniture, blinds or curtains will work. Suitability depends on the way the unit is fitted at the specific property and how occupants plan to operate it.

Think early about the operator’s position and reach when opening or closing the window. A choice of handles lets you balance ease of use with the intended look, so describe your preference in the enquiry. The product specification names SPILKA and IPA for its fittings; these are technical hardware details, not two additional items to purchase or alternative handle-brand options.

Required handle access will vary with the room, the occupants’ routines and how often the sash is expected to open. Look for interference from furniture, deep reveals, curtains or blinds on the inside. Beyond the wall face, confirm that the full outward arc is clear. Bringing both sides of the opening into the initial assessment helps the eventual specification reflect real site conditions ahead of ordering.

Treat timber surfaces, glazing and rubber gaskets as different materials when carrying out care or cleaning. Match products and equipment to each surface, avoiding harsh chemicals and anything likely to scratch. Guide the sash steadily during opening and closing, and operate its handle without excessive pressure. Follow the additional care instructions relevant to the chosen timber and coloured finish.

02

Frame Build and Individual Part Sizes

A fixed outer frame surrounds the separate frame that carries the movable sash. The facts panel sets out the relevant section sizes and the diameter of the installation holes. Each figure belongs only to the component identified beside it; none represents an overall height, width or depth for the finished window.

The timber specification offers two species: pine and oak. Material choice also shapes the natural look of the joinery, since the woods differ in character. Real grain and surface pattern will vary, and this should be allowed for when new work sits beside existing timber. You can also select a colour, considering it alongside the species and the overall effect required.

The structural assembly brings together the fixed frame, moving sash frame, glass, seals and fittings. SPILKA and IPA identify the specified hardware. By contrast, the wood species, finish colour and handle are customer selections. Separating those choices from fixed technical details keeps the enquiry clear and easy to review.

For a bespoke window, distinguish the dimensions of individual components from those of the complete unit. Profile figures describe the frame construction, while manufacturing size is determined for the real opening. Installation planning cannot therefore rely on isolated profile measurements. It also requires an accurate opening survey and details of the relevant building conditions.

CE marking applies to this model, and its commercial guarantee runs for five years. Neither point should be taken as confirmation of every project-specific requirement. Where your scheme calls for particular performance data, certificates or documents, ask for them explicitly. The requested configuration can then be checked against the needs identified for that building.

05

Assessing the intended window opening

Survey the real aperture carefully before sending a request. An outward-moving sash makes clear space beyond the wall just as important as the opening measurements themselves. External reveals, sills, railings, plants, nearby fittings and projecting construction details could enter its path. Their actual position must be inspected on site before deciding whether the proposed movement will remain unobstructed.

Take dimensions at a number of appropriate locations and write down any differences. Older properties may have uneven edges, reveals or junctions, so a lone measurement taken quickly might not describe the aperture adequately. Record whether this is a replacement, a connection planned for new construction or installation into an existing opening, as that background gives the figures their proper context.

Next, trace the arc required by the sash as it opens towards the exterior. Check the usable clearance throughout that arc, including obstructions, well-used paths and outside spaces immediately beside the opening. These practical conditions determine whether daily operation in the proposed position is likely to be convenient.

Create a clear record of both faces of the opening. Written notes and well-chosen images can locate junctions, retained components and wall build-ups. Do not derive exact dimensions from pictures alone. Measurements establish scale, whereas photographs provide visual context; using each for its proper purpose gives a fuller account of the site.

Section sizes stated for the fixed and moving frames, and the hole diameter used for installation, describe only those named parts; they do not set the overall order size. Bespoke production needs the dimensions and features found in the surveyed aperture. Resolve questions about surveying, junctions and fitting before purchase, while recording unknowns apart from verified figures. The resulting brief can connect the physical site information with all selected design details.

06

Coordinating Timber, Finish and Pane Layout

The finished look results from several connected choices. Its single sash establishes the main form, the bars divide the pane, and the timber and finish determine how the surrounding setting is answered. Review these decisions together. A coherent specification should account for the elevation, adjoining windows, external doors and any timber surfaces visible from the room.

Pine and oak offer different natural appearances, so assess each wood on that basis. Timber develops with individual grain and visible texture rather than the complete uniformity associated with a printed surface. Joinery already in the building can provide a useful visual reference during selection, but it cannot guarantee an exact match between an established surface and the newly produced finish.

Select the window colour to suit your project. Make your enquiry as specific as possible by giving an established colour reference or clearly describing the colour direction required. Consider the façade, adjoining elements and the intended effect indoors. When matching existing finishes, suitable references are more helpful than broad wording such as “to match the existing building”.

The glazing-bar pattern affects the rhythm and emphasis of the glazed area. Horizontal divisions can echo existing horizontal façade lines, while vertical divisions highlight different proportions. Combined patterns create a denser grid. These are general design effects, not a promise of changed room dimensions or light values.

The handle is seen as well as used, so it also affects the visual balance. List it independently and explain both functional and aesthetic priorities. A resolved scheme considers wood, finish, bar arrangement, glass specification and handle in combination. Black rubber gaskets are fixed elements within the glass assembly rather than an additional finish-colour selection.

07

Compare Alternative Window and Door Formats

Where a single sash conflicts with the aperture or façade composition, review the historic casement made with two side-hung sashes. This alternative also moves outwards, comes in the same two timber options and supports several bar layouts. Its defining distinction is the paired arrangement: two operable elements share the composition rather than one element occupying it alone.

Combination casements place a non-opening glazed area beside an outward-moving sash. The range includes standard and historic versions. Pine or oak is specified for the historic model, while aluminium-clad variants are added to the standard one. As their bar layouts also differ, compare them when a single window composition must include both a stationary light and a section that opens.

Other situations may call for a pivot roof window or for vertically pivoted reversible designs with either one sash or two. The roof model is pine faced externally in aluminium, with the control handle fitted at the bottom. Reversible models swing out, offer pine and oak, and may also have aluminium exterior cladding. Set those operating methods against the conventional side hinges used here.

For an aperture extending close to terrace level, consider the associated patio doors with one outward-opening leaf. The historic door is listed in pine and oak; the standard door is additionally offered with aluminium exterior cladding. Available configurations vary across glazed treatments, decorative bar layouts and options that incorporate a panel.

Begin with the basic format required by the scheme: one sash, two sashes, a stationary light beside an opening section, a roof unit, a reversible window or a door onto the terrace. After that, assess timber or cladding, glazing and the available decorative layouts. Links to the relevant alternatives follow. Historic Two-Sash Casement Window, Hinged for Outward Opening, Combined Fixed-Light and Outward Casement, Historic Combination Window with Outward-Swinging Sash, Pivoting Roof Window, One-Sash Reversible Window, Vertical Axis, Opening Outwards, Two-Sash Reversible Window, Vertical Axis, Opening Outwards, Outward-Opening Patio Door with One Leaf, Historic Single-Leaf Patio Door, Hinged to Open Outwards.

08

Steps for a Clear Bespoke-Window Enquiry

Open the enquiry with the exact model description, “Historic One-Sash Timber Casement, Hinged to Open Out”. It identifies the historic-style product with one conventionally hinged opening element, avoiding confusion with paired-sash formats, combination windows or products that use a different opening action.

Then assemble the site information. Provide the carefully surveyed dimensions of the opening, together with notes about wall build-up, junctions and any obvious irregularity. Identify estimates separately from measured figures. Where something is not yet known, list it as a question rather than assigning an unjustifiably exact value.

Decide on oak or pine, followed by the colour treatment. If you already have a precise colour reference, include it; otherwise explain the required colour direction clearly. Photographs or other suitable references can demonstrate the intended relationship between the new window, retained doors or windows, and the wider elevation.

Specify double or triple insulated glazing and then identify the required pane-bar pattern. Quote the catalogue wording for that pattern so its bar directions and count are understood correctly. Treat the handle as a separate selection. SPILKA and IPA belong to the fixed hardware specification; customers are not being asked to select between them as rival handle makes.

Lastly, identify any project-specific performance figures or documentation and frame these as direct questions. This CE-marked window carries a commercial guarantee of five years. A useful request brings together its name, the opening survey and site details, wood, finish, glass, bar layout, handle and unresolved requirements. Presenting that information in a logical order helps us understand the proposed bespoke configuration and work through it with you.

Is the Window Made for My Opening?

Yes. The product is offered in dimensions tailored to the intended aperture. Send an accurate set of opening measurements and describe the installation setting. Made-to-measure production still requires competent assessment of the building to establish whether its particular construction and site conditions are suitable.

What Wood Options Can I Specify?

The two options are pine and oak, whose natural grain and character differ. When selecting the appearance for your project, consider the chosen wood alongside its colour, the pane divisions and any existing materials nearby.

Can the Finish Colour Be Specified?

Yes. You can specify the colour treatment. Give the precise reference when already determined, or describe the required tone unambiguously. Evaluate it against the building elevation and neighbouring doors or windows, while also considering how the frame should appear inside the room.

Which Glazing Types Are Available?

Orders can use either double-glazed or triple-glazed insulated glass. Each construction is specified with argon gas, a heat-reflecting layer and CHR warm-edge technology. Base the selection on performance needs established for the relevant refurbishment, extension or newly built property.

Is the window available with glazing bars?

Yes. You may choose a pane without bars or one of the horizontal, vertical and combined patterns set out above. Compare them with the façade composition, neighbouring window designs and the visual effect required within the room.

May I Specify a Handle?

Yes. The handle is among the selectable details. Explain the appearance and operating qualities wanted, allowing the request to list them beside the specified timber, finish, insulated glass and glazing-bar arrangement.

Is This Model CE-Marked?

Yes. This model bears CE marking. If the project needs defined performance information or further documentation, identify every requested item separately when making your enquiry.

What Is the Commercial Guarantee Period?

The commercial guarantee for this one-sash casement lasts five years. The product also carries CE marking.

Put together your window enquiry

Have the opening dimensions ready, together with your selections for timber, colour, insulated glass, pane bars and handle. Add clear notes describing the installation setting. From this material, the available features of the bespoke outward-opening casement can be arranged into a structured specification for discussion.