Plan Your Garden: A Site Survey

Plan your garden without impatience – it is undoubtedly the enemy of the amateur garden designer. Instant gardens only exist at horticultural shows, and these often have a sterility about them that one would not wish to emulate.

Never be tempted to start designing your plot before your site survey is completely finished. The information provided by an accurate survey is essential. It will form the basis of a scale drawing that will in turn form the outline of the finished scheme.

Plan Your Garden – Preparation

You will need a clipboard with a pad of large paper, a 30m (100ft) tape measure, a 60m (200ft) reel of string and some skewers, some bamboo canes, and a compass. On the pad, draw a very rough plan of the outline of the house and the boundaries of the garden; this enables you to mark on the actual measurements at the appropriate points. It does not need to be to scale, but it does need to show every detail, such as a chimney breast, an angled wall or a small out-house. Back and front gardens should be plotted on separate sheets of paper.

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Plan your garden and include any projections, such as a conservatory, porch or bay window, the position of items such as an oil tank, fuel store or garage, and existing terracing or paths. Next, draw in the boundaries of the plot to fill as much of the sheet as possible. Show the angle of the plot in relation to the house, and jot down what the boundaries are made from. Mark in any existing trees or large shrubs, identifying the species if possible, and giving a rough indication of their height and spread.

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Measuring Up

Once you have completed the rough sketch you can begin superimposing measurements on the rough drawing. Using the house as a starting point, run the tape from one side of the garden (fixing it in place with a bamboo cane), across the back of the building to the opposite boundary. Pull it taut to remove any kinks and make sure it runs in a straight line. Now you can note down the running measurements.

Measure and mark in windows, doors, projecting bays or porches, positions of drainpipes and gullies, and finally the distance to the second boundary. You can transfer the measurements to a scale drawing later on.

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Next, provided that your garden has boundaries running at right angles to the house, run the tape at right angles from one corner of the house, lining this up with the side wall of the house by sighting back down the tape. Then take running measurements of anything you encounter along the length of the tape: the edge of a patio, a path, shrubs or trees, and so on to the end boundary.

By using these two sets of measurements, or ‘base lines’, you can check the shape and size of most small rectangular gardens, and plot in their key features.

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