The general boundaries rule explained
Land Registry title plans in England and Wales normally show only the 'general boundary' of a property, meaning the line on the plan is indicative rather than a precise, surveyed measurement to the centimetre.
That's why a title plan alone rarely settles an argument about whether a fence sits a few inches one way or the other.
For most domestic fencing this doesn't matter, but where a dispute is brewing it's worth knowing the plan wasn't drawn to resolve exactly that kind of question.
Slatted panels and gap sizing
Contemporary slatted panels use horizontal or vertical timber or composite boards with a deliberate gap between them, typically anywhere from a few millimetres up to 20mm or more depending on the level of privacy wanted.
A narrow gap reads as near-solid from a normal viewing distance while still admitting light and airflow; a wider gap gives more of a screening effect than true privacy and lets more wind through, which matters on exposed plots.
Gap sizing is set at design stage rather than adjusted on site, since it affects how many boards and how much fixing timber the run needs, and inconsistent gaps are one of the most visible signs of a poorly set-out job.
Off-street parking and dropped kerbs
Converting a front garden to off-street parking usually requires a dropped kerb permit from the highway authority, and a boundary fence or gate across that new access has to be positioned clear of the visibility splay the dropped kerb creates.
Where a low front boundary already exists specifically to preserve sightlines onto the new parking, replacing it with a taller or solid fence can undo the safety benefit the dropped kerb approval was granted on.
It's worth checking whether the dropped kerb approval included any conditions on boundary treatment before ordering a new front fence or gate.
Sherardised nails and fixings
Sherardising coats small steel fixings in zinc through a low-temperature diffusion process using zinc dust rather than a molten bath, giving a matt grey, evenly distributed coating well suited to fasteners with fine threads.
Because the process doesn't build up excess zinc at edges and threads the way hot-dip galvanising can, sherardised nails and screws keep a cleaner, more precise fit than galvanised equivalents of the same size.
The coating is thinner than typical hot-dip galvanising, so sherardised fixings are generally specified for above-ground, moderate-exposure use rather than permanent ground contact.
Addressing a retaining sleeper wall that has started to bulge
A timber sleeper retaining wall bulges where the soil behind it has built up more pressure than the wall's bracing or embedded posts were designed to hold, often after prolonged rain has saturated the retained ground.
A wall bulging only slightly can sometimes be reinforced with additional bracing posts driven in behind it, but a wall bulging enough that sleepers have visibly separated at their joints usually needs partial or full rebuilding with proper drainage behind it.
Recognising hinge wear before a gate fails
A gate that's begun to drop at the latch side, or that needs lifting to engage the latch, is usually showing hinge pin or bush wear rather than a problem with the gate frame itself, and catching it at this stage is a simple pin or bush replacement rather than a full hinge rebuild.
Left unaddressed, a worn hinge puts increasing strain on the hinge post fixing as the gate's weight is carried at an angle rather than square, which can eventually work the post loose as well.
Ground-line collars on timber posts
A plastic or metal collar fitted around a timber post at the point where it enters the ground creates a physical break between the post and the surrounding soil, reducing direct abrasion and moisture wicking at that specific zone.
Ground level is where oxygen, moisture and soil organisms are all present together in the right combination for decay fungi to thrive, which is why this narrow band is disproportionately where post failure originates compared with either the fully buried or fully exposed sections.
A collar doesn't replace preservative treatment but adds a secondary physical barrier specifically targeted at this highest-risk zone, similar in principle to the extra retention already specified for ground-contact use-class timber.
Fencing a flat roof access route
A flat roof reachable from a bin store roof, a low extension or a drainpipe is a common route into upper floors, and a fence or roof-edge barrier addressing that specific climb path is often more effective than adding height to the main boundary.
Anti-climb detailing is applied to whatever gives the first foothold in the climb sequence — a wheelie bin store roof, a low wall, a pergola — rather than only to the perimeter line itself.
Mesh tensioning on a chain-link or weld-mesh run
Mesh that's fitted slack sags between posts and can be pulled or climbed more easily, so a straining wire and turnbuckle at each end of a run tension the mesh evenly before it's clipped or tied to the line wires.
Re-tensioning is a routine maintenance task on an older mesh run, since posts settling slightly or ground movement over a season will slacken a mesh that was originally taut.
Powder-coat pre-treatment
Powder coating is only as durable as the surface preparation beneath it, and steel that hasn't been degreased, and often chemically pre-treated with a phosphate or chromate conversion coating, will let the powder coat lift and blister within a season or two.
On galvanised steel specifically, a specialist pre-treatment is needed because standard powder coat doesn't bond reliably to a plain zinc surface without it, which is why powder-coated galvanised railings are a distinct product from simply galvanised steel painted afterwards.
Once properly applied and cured, the powder coat itself is a hard, continuous barrier finish that resists chipping better than wet paint, though any breach down to bare metal will corrode locally without a way to self-heal.
Weed and damp membrane beneath a ground-level deck
A permeable membrane laid over the ground beneath a low-level deck suppresses weed growth and reduces the amount of moisture rising from bare soil into the enclosed void under the boards.
It needs to be permeable rather than a solid impermeable sheet, since trapping ground moisture entirely beneath an impermeable membrane can create a worse damp environment than leaving the soil exposed to some airflow.
Combined with adequate ventilation gaps at the deck's edges, a permeable membrane is a low-cost addition that measurably reduces the humidity the joists sit in throughout the year.
Matching a discontinued panel style
Panel profiles and slat widths change between manufacturers and over time, so a boundary installed a decade or more ago may use a profile that's no longer produced.
Where an exact match isn't available, the closest equivalent height and style is used and the mismatch is pointed out honestly rather than presented as an exact replacement.
Front boundary choices and kerb appeal
A front boundary is one of the first things anyone sees of a property, and low-key choices — a consistent gate style, tidy capping, a colour that complements the brickwork — do more for kerb appeal than an expensive but mismatched material choice.
Open or low front boundaries tend to suit properties where the frontage itself is attractive and worth showing off, while a higher, more solid front boundary suits a busier road or a desire for more privacy from passers-by.
It's worth thinking about a front boundary as a long-term fixture rather than following short-lived trends, since it's one of the more visible and slower-to-replace elements of a property's exterior.
Diagonal measurement when squaring an opening
Measuring both diagonals of a gate opening before ordering or building a gate confirms whether the opening is actually square, since two openings with identical width and height measurements can still be out of square if the diagonals differ.
Building a gate to fit a supposedly square opening that isn't leaves a visible wedge-shaped gap that no amount of hinge adjustment can fully correct.
Gust funnelling between semi-detached gaps
The narrow gap between two semi-detached or terraced houses can accelerate wind passing through it, in the same way air speeds up through a nozzle, so a fence sitting at the mouth of that gap sees higher gusts than the open garden either side.
This is easy to miss on a site visit if the wind isn't blowing that day, but it shows up over a few winters as one particular bay of panelling failing repeatedly while the rest of the run stays sound.
Reinforcing just that section with a heavier post or a part-slatted panel is usually enough, rather than upgrading the whole run.
Being mindful of working hours and noise on a repair in a residential setting
Cutting timber, breaking out old concrete and driving fixings all generate noise that's more noticeable on a short repair visit in a quiet residential street than it might be on a larger, more expected construction project nearby.
Keeping to reasonable working hours and giving immediate neighbours brief notice ahead of a repair that involves breaking out concrete is a simple courtesy that avoids unnecessary complaints on an otherwise routine job.
How fence height is measured against ground level
Height is measured from the ground level immediately adjacent to the fence, which matters on a sloping or stepped site because the same fence can appear to comply on one side and exceed a limit on the other if ground level either side differs.
Where a fence sits on a raised bank or retaining structure, some planning assessments measure from the lower ground level rather than the top of the bank, so it's worth checking the specific basis being applied before finalising a height that's close to a limit.
Rights of way and access easements
An easement giving a neighbour or utility a right of way across part of a garden — commonly a rear access strip or shared side passage — survives a change of ownership and restricts what can be built across it, including fences and gates.
A gate across an easement is sometimes acceptable if it's left unlocked or a key is provided to the dominant owner, but a solid fence that blocks the route entirely is a breach even if the current beneficiary rarely uses it.
The Land Registry title register will usually record a formal easement, so it's worth checking before fencing off any access strip that looks unused, since 'unused' and 'extinguished' are legally different things.
Fire escape routes and non-lockable egress
A secure gate on a fire escape route or final exit path must allow people to get out without a key, even if it stays locked against entry from outside — a simple push-bar or thumb-turn release satisfies this on the inside face.
This is checked against the building's fire strategy before a lockable gate is fitted on any route marked as an escape path, because a fully keyed gate on both faces is a genuine life-safety fault.
Gate detailing on sites prone to flooding
A gate on a boundary that's prone to periodic flooding benefits from open rather than solid infill low down, allowing floodwater to pass through rather than build up against a solid face and load the frame or undermine the posts.
Post fixings on flood-prone ground also need to account for the ground becoming waterlogged and softer than normal during a flood event, not just its condition in dry weather.
Framed, ledged and braced gate frames
A framed, ledged and braced gate combines a proper mortice-and-tenon perimeter frame with ledges and a diagonal brace behind the boarding, giving more racking resistance than a simple ledged-and-braced gate that has no frame at all.
This construction costs more to build than a basic ledged gate but holds its shape for longer, which matters on a wider or more exposed opening.
Using packers to correct a slightly out-of-true panel fit
A small gap between a panel edge and a post face, caused by a minor inconsistency in post spacing rather than a genuine error, can often be taken up with a thin timber packer rather than re-digging and resetting the post.
Packers need fixing securely rather than simply wedged in, since a loose packer left to rattle under wind load will eventually work its way out and leave the original gap again.
Repeated packing along a run is a sign the underlying setting-out was slightly off rather than a one-off issue, and it's worth checking overall spacing again if more than an occasional panel needs correcting this way.