Landscaping Farnham

Brick is the material that gives Farnham's older gardens their character, and it is also the one most often damaged by well-meant work. Garden walls here are frequently older than the houses behind them, built in soft locally fired brick and bedded in lime mortar, and a good many stand within the conservation area or form part of a listed curtilage. Repairing one with modern materials does more harm than leaving it alone.

Why cement mortar destroys a soft brick wall

An old wall works by letting moisture move through it and evaporate away, and lime mortar is the sacrificial part of that system - softer than the brick, so any salt damage and freeze-thaw movement happens in the joint rather than in the masonry. Repointing in a hard cement mix reverses the relationship. Water that can no longer escape through the joints leaves through the face of the brick instead, and after a few winters the faces spall off while the pointing stands proud. The repair is then structural rather than cosmetic. Matching a lime mix to the existing mortar, raking joints out by hand rather than with a disc cutter, and protecting new work from sun and frost while it cures is slower and it is the only approach that lasts.

Consents that apply before a tool comes out

Within a conservation area, demolition of a boundary wall above a modest height needs consent, and where a wall forms part of the curtilage of a listed building, listed building consent can be required even for alterations that look minor. Coping details, gate piers and railings are part of what is protected. Waverley Borough Council holds the designations and the sensible order of events is to confirm status at the design stage rather than after a quote is accepted. The same applies to mature trees, which in a conservation area require six weeks of notice before work.

Matching materials on a greensand town

The local building vocabulary is specific: soft red and orange brick, malmstone rubble with brick dressings, occasional galleting, and clay tile creasing under copings. New work that ignores it is conspicuous. Reclaimed brick of a compatible size and hardness, a bond that continues the existing pattern, and a coping detail that actually throws water clear of the face are what make an extension to an old wall disappear. Where reclaim is not available, a modern brick chosen for its texture and absorption rather than its colour alone usually reads better than an exact colour match in a hard, dense body.

Levels, the Wey and drainage against old walls

Raising a garden level against an existing wall is one of the commonest causes of damp failure in old masonry, because it buries a damp course that may not exist and holds wet soil permanently against the brick. Where a terrace has to come up, a drained void or a free-standing retaining structure clear of the old wall solves it. On the lower ground towards the Wey, winter water tables are high enough that drainage design has to be settled before any hard landscaping is set out. Sloping plots on the greensand a few miles east present a different set of structural problems, handled under same-day landscaping in Godalming.

Cleaning historic masonry without stripping it

Old brick and stone should be cleaned gently or not at all. High-pressure water drives moisture deep into soft masonry, strips the fired surface off brick and blasts lime joints out, and the damage is permanent. Low-pressure methods, soft brushing and a biocide left to work over weeks deal with algae and lichen without loss of fabric. Modern paving, block and concrete are a different matter entirely and respond well to proper pressure equipment, which is the remit of pressure washing services in Farnborough.

What a first appointment covers

A survey looks at wall condition and mortar type, levels and drainage, tree cover and consent status, then produces a written breakdown separating repair, new construction, surfacing and planting so heritage work can be programmed apart from the rest. Lime work is weather-dependent and is scheduled outside hard frost. Planting and border upkeep once the structure is sound falls to hedge trimming services in Farnham, interiors after a dusty masonry job to Farnham cleaning services team, and the wider design and build process is described under local landscaping and garden design.