Lean-To Greenhouse – Limited Edition

Accoya accents

Untreated timber introduces warmth beside the aluminium framework

Your choice of RAL finish

Relate the frame colour to nearby windows and exterior finishes

Purpose-led glazing

Select the light and transparency needed by the position and planting

Adaptable entrance

Choose a single-leaf or double-leaf slider for the available width

Sound supporting wall

Confirm that the wall layers and proposed fixing positions can safely receive the frame.

Base and finished height

Prepare level, stable support for the integrated aluminium base.

Entrance planning

Place the doorway in relation to the routes leading from the home, patio and garden.

Manage roof water

Decide in advance whether water leaving the built-in channels will enter a planned discharge point or a collection vessel.

Wall greenhouse

Aluminium greenhouse fixed to a building wall and finished with decorative Accoya components; engineered for 30 m/s wind speed and 210 kg/m² snow load

12 sizes

Options suited to wall sections of varying usable length

4 mm toughened safety glass or polycarbonate

Pick the material according to use, transparency and the preferred quality of light

Untreated decorative Accoya pieces

Timber character set against the supporting aluminium frame

Single-leaf or double-leaf sliding door

A double-leaf slider is possible from roughly 3.10 m where the wall permits

Opening roof panels

Allow accumulated warm air to escape at the highest point

Built-in rain channels with an aluminium base

Include discharge positions, the base support and finished floor connection in the initial site design

Exterior finish and installation context

Brickwork, masonry, rendered walls and insulated systems need connection methods appropriate to their individual build-up. The exposed surface of external insulation cannot be presumed load-bearing. Arrange a competent review of the wall layers and proposed anchoring area before foundation work or final specification begins.

Prepare a dimensioned drawing that records doors, windows, sills, exterior lamps, sockets, ventilation grilles, pipes, cables and rainwater goods. Mark everything that needs room for operation, maintenance or eventual renewal. Drawing to scale makes it easier to see whether the eaves, doorway or framing could interfere with the building and establishes the realistic installation width.

A lean-to forms part of the immediate architectural view, so consider how it looks from paths, the patio and rooms facing the garden. Its RAL finish might relate to existing metalwork or window joinery, with Accoya providing the contrasting organic note. Paving lines, joints and surrounding beds will also affect whether the completed setting feels coherent.

Check the wall itself

The full connection line should be stable, sufficiently flat and clear of loose finishes. Identify hollows and raised areas during the survey rather than discovering them during assembly, as they may prevent a neat junction. Make sure the outside work zone remains accessible too, giving installers space to align framing accurately and form secure fixing points.

Look for cracking, flaking render, signs of moisture and patches from previous work. Behind insulation or cladding there may be several materials, each relevant to the anchoring method. Establish the location of concealed electrical cables, water pipes and other utilities before any drilling takes place. Window sashes and roller shutters must retain their full movement.

Wall and plinth defects, failed joints and an inadequate fixing surface should be corrected before the greenhouse is erected. Settle the building-junction method in advance as well. A ready mounting area supports orderly assembly and reduces later repairs in confined spaces behind the structure or planting.

Interior irrigation

Watering is simpler when the connection is nearby and no hose has to remain across the doorway. Keep the line to beds clear of the slider and passage. For cans, provide a firm set-down surface and remove avoidable trip hazards from the route.

Separate drip lines according to the water needs of each planting area. Keep pipework visible and reachable beside beds or shelves for checking and cleaning, with connectors clear of paths and door mechanisms. The arrangement should also empty readily before any lengthy break in use.

A vessel used to store rainwater should be easy to approach yet positioned so that it does not reduce doorway width. Relate its location to both the channel discharge and your usual watering path. Provide a deliberate overflow route that carries excess water clear of the building face and greenhouse base.

Heat beside a sunny south wall

Strong sunshine can warm both the façade and enclosed glazing at once, causing the interior to heat more quickly than the outdoor reading might suggest. Position heat-sensitive crops outside the most intense zone along the rear. Maintaining open circulation routes and timing ventilation for the actual conditions will reduce the risk of pronounced overheating.

Use the upper vents for escaping heat and the sliding entrance for incoming air near floor level. Pots must not impede either control. Ventilation needs attention before the end of a hot day; where the greenhouse is unattended, arrange crops and operating routines to reflect that limitation.

During spells of intense sun, removable shade may ease stress on tender foliage, recently potted plants and young growth. Install it without hampering the upper openings and without creating unsafe access arrangements for the glazing. Heavy permanent shade may compromise other crops, so use an adjustable approach guided by the season, planting and observed light.

Accoya, façade and colour choices

View the aluminium, timber and glazing as part of a wider palette that includes exterior paint or render, window proportions, house rainwater goods and patio finishes. Take RAL samples outdoors to the proposed position, because changing daylight and neighbouring brick, plaster or wood can alter their appearance. The untreated Accoya contributes a separate natural note.

Continue the colour of existing window frames for a restrained result, or choose contrast to emphasise the structure. Consider its grid from adjoining interior rooms too. Subdued combinations can calm a busy paving pattern, whereas plain render or regular brick courses may accommodate a more assertive frame.

Exposure to the weather will gradually alter the look of untreated Accoya. For that reason, avoid choosing neighbouring wood solely by reference to the timber’s initial colour. The aluminium and glazing continue to define the main visual geometry.

Flooring and doorway level

Strength, levelness and easy cleaning are essential for the completed floor. Establish its height together with the integrated base and sliding entrance, avoiding a trip edge. Include planned pots, worktops and finishes in that decision, and keep every later floor build-up outside the door’s operating space.

Paving, slabs, gravel or another suitable finish should be even, slip-resistant and able to direct watering and wash-down water safely. Any fall must not tilt tables or send runoff towards the building. Plan the interior surface, threshold, patio and outside route as one joined detail at the entrance.

Set out the top of the proposed floor on the wall before construction. From that datum, align the foundation, aluminium base, threshold and neighbouring surface while allowing for all sliding-door movement. Fixing the levels early avoids later paving that restricts access or creates a place where water can collect.

Water management beside the house

Rain reaches the greenhouse roof immediately beside the building and should not be allowed to discharge randomly onto the plinth or patio. Trace its entire intended journey, beginning at each built-in channel and ending at the chosen discharge. Account for spray as well as any drainage arrangements already serving the property.

Do not hide downpipes or prevent future maintenance. Close proximity between surface gradients, house drainage and greenhouse outlets requires clearly separated routes or a properly integrated design. Keep cleaning space around discharge points so blockages can be removed without taking apart racks or moving sensitive plants.

Once installation is complete, use a rainy spell to test whether runoff reaches its intended destination. Pooling near the frame, threshold or wall calls for inspection of the falls and outlet. Exclude soil, mulch and pots from water routes so the dryness of connections remains easy to assess.

Maintaining summer airflow

Adjust summer ventilation to the weather, humidity and height of the plants. An open door may not remove heat gathered under the roof if the vents stay closed, while a shut door restricts low-level intake. Use leaf condition and condensation as guides rather than ventilating by a fixed clock.

Do not park large containers, bags or furniture beside the sliding entrance. Controls for the upper openings should remain convenient throughout the growing season. Regularly remove soil, foliage and other obstructions from tracks and moving fittings so that ventilation can be altered promptly when the weather changes.

Airflow suffers when high crops or packed shelves form a barrier from the entrance upwards. Keep tomatoes and climbers away from openings and door guides. Install trellises securely in their own position, never on vents or moving components, and cut back growth before it obstructs maintenance paths.

Allow access for care and cleaning

Before adding benches or choosing the final size, identify how every glazed face, gutter, sliding guide, frame junction and upper vent will be reached. A neighbouring wall or boundary may create the tightest point. Ensure that secure access for ongoing inspection and cleaning cannot later be blocked.

Tracks, drainage outlets and maintainable junctions must remain clear of fixed benches. Site weighty pots outside working routes and where they can stay during cleaning. Give changing propagation containers the most accessible positions, reducing the amount of lifting and shifting needed whenever greenhouse parts are checked.

Reserve permanent working space beside all components that require routine checks or cleaning, and keep empty pots and seasonal stock elsewhere. Work at high level also needs a safe, appropriate standing position. Racking, plant pots and any fixed or moving part of the greenhouse frame must not serve as a step or makeshift platform.

Convenient access to edible crops

For a greenhouse near the kitchen or patio, place frequently harvested herbs and crops towards the front. Specimens needing attention less often may occupy positions further in, provided those positions supply adequate air and light. A short distance from the house offers little practical gain if furniture, steps or abandoned garden equipment complicate the approach.

Turn a visit into a simple sequence: observe growth, test moisture, alter ventilation and gather anything ready to harvest. Developing problems can then be noticed promptly without making every inspection a lengthy job. Base irrigation on the needs of each type of plant instead of treating every pot to one fixed timetable.

The entrance and aisle must remain usable when hands are occupied by water, plants or produce. Allow furniture for when checking the true passage width, and remove hoses, low storage and projecting supports from it. A secure landing surface near the door keeps carried items away from the threshold.

Benches and racking

Use benches for sowing, potting and inspecting plants, with shelves for smaller containers. Choose a depth that keeps rear pots within comfortable reach. Leave cleaning space beneath or beside the bench, and avoid broad shelving that unnecessarily shades crops or restricts airflow along the glazing.

Set working height according to the users and the job performed most often. A sturdy low stand generally suits heavy pots better than elevated shelving. Preserve overhead clearance for lifting plants and using tools safely, and make sure additions do not prevent access to vents or adjacent panes.

A flexible seasonal arrangement is easier with portable benches and lightweight shelves. Support feet and wheels on a level, load-bearing floor, clear of the door mechanism. Keep defined spaces permanently open for walking and operating roof vents so each cultivation change involves rearrangement rather than a full refit.

Year-round sequence

Use bright surfaces for propagation and repotting in spring. During summer, manage airflow, tailor irrigation and harvest regularly. Selected sensitive pot plants can occupy released areas in autumn. Winter preparation means removing plant remains, clearing rain channels and door guides, and examining every component that can be accessed safely.

Keep only current essentials inside the greenhouse. Unused stakes, empty containers and packaging take up valuable changeover space, although a modest selection of everyday tools may stay securely in dry storage. This discipline allows furnishings to follow new tasks and plant heights while routes and ventilation remain clear.

A flexible interior starts with fixed clearances for the central route, entrance, roof vents and service areas. Seasonal tables, containers and movable racking can be rearranged within them. Any additional attachment to the building wall needs prior confirmation that its construction and the greenhouse connection suit the drilling and imposed load.

Accoya Limited Edition

Combines cultivation beside the home with Accoya detailing that remains clearly visible.

Standard wall greenhouse

A simple, direct option for conventional cultivation against a wall.

Freestanding greenhouse

Requires no supporting building, allowing its position to be chosen independently within the garden.

Record the location

Measure unobstructed wall length and note fixing positions, projections, obstacles and assembly space.

Specify the model

Coordinate dimensions, glazing material, RAL finish and the chosen doorway arrangement.

Ready the ground

Build the foundation and coordinate drainage and floor elevation with the aluminium base.

Organise the interior

After assembly, position aisles, irrigation, shelves and planting zones for practical use.