Render Repair · Hampshire

Render repair in Farehamthat ties new work in seamlessly -no obvious patches.

Name: SJM Plastering
Address: Fontley Road, Titchfield, Fareham, Hampshire, PO15 6QZ, GB
Telephone: 07907 511080
Price range: ££

Targeted cut-outs to sound substrate, mesh-reinforced new render, texture and colour matched to the existing elevation. Most patches invisible at three metres. Quoted in 24 hours.

Quote my render repair 07907 511080

Texture & colour matched · Mesh-reinforced patches · 30 yrs Hampshire experience

Seamless
Patches invisible at 3m
30+ yrs
Steve on the tools
24 hr
Quote turnaround
Insured
Public liability cover

Overview

What this service is, and who it's for.

What it is

Render repair is the targeted, localised replacement of failed sections of existing external render - without re-rendering the whole elevation. Done properly it involves diagnosing the cause of failure, cutting back to sound substrate beyond the failure edge, rebuilding the basecoat with embedded mesh, and matching the topcoat texture and colour so the patch disappears from normal viewing distance.

Who it's for

Homeowners who can't justify the cost of full re-render but need failing sections fixed, landlords managing render defects between tenancies, sellers prepping a property for market who need the front elevation looking right, and buyers who've inherited render problems from a survey and need a measured repair rather than a full re-do.

When you need it

When sections of render sound hollow when tapped, when cracks have opened wider than 1–2mm, when render has fallen off in patches, when pebble-dash has lost its stones across a panel, when staining has tracked down from a flashing or window detail, or when a previous repair has failed and you need it done properly the second time.

Why professional matters

The reason most render repairs look obvious is because they were done lazily - patched in matching mortar, no mesh, no proper colour-match, sometimes with a different system than the original. The patch then weathers differently, shows up within a season, and you've paid for visible damage. Proper render repair takes longer per square metre than a full re-render, but saves you the price difference many times over.

If ignored

What happens when these problems are left.

Patches that show up from across the road

Mis-matched colour, mis-matched texture, wrong system - most cheap render repairs are visible from across the street within a year. A proper colour-and-texture-matched patch reads as part of the wall.

Cracks that reopen through the patch

Hairline cracks that have just been smeared over with fresh mortar reopen the next time the wall moves. Mesh-reinforced patches bridge the movement and stay closed.

Failure that keeps spreading

If you only fix the visibly-blown section without cutting back beyond it, the failure keeps marching outwards from the edge. We cut back to genuinely sound, well-keyed substrate every time - even when it means a slightly bigger patch.

Water ingress behind the render

Failed render lets driven Hampshire rain into the brickwork behind, which then can't dry out properly. Left a winter, the brick goes soft and the failure compounds. Repair sooner saves the brick later.

Wrong product, wrong substrate

Cement-based patches on silicone render don't bond properly. Silicone patches on cement render look different in the light. We identify the existing system before quoting the repair.

Our process

How the job actually runs, step by step.

01
Survey & cause diagnosis
Hammer-test the elevation for full extent of blown area, identify the cause (water ingress, movement, original installation failure, frost damage), photograph defects, identify existing render system, written quote with the repair scope itemised.
02
Cut-back & substrate prep
Failed render cut back well beyond the visible edge to fully sound, well-keyed substrate. Edges feathered or stepped to give the patch a mechanical tie. Brick or block behind cleaned, repaired and primed as needed.
03
Mesh-reinforced basecoat
Polymer-modified basecoat applied at correct thickness with alkali-resistant glass-fibre mesh embedded across the full patch and beyond the edge into the existing render - this is what prevents the cracking returning at the join.
04
Texture matching & topcoat
Topcoat colour matched on a small test panel against the existing wall (often under the original section as well as freshly weathered sections - sun-bleached and original tones often differ). Texture worked to match grain size, finish style and edge-blend.
05
Sealer & blend
Where appropriate, the entire elevation is washed and given a single coat of silicone water repellent to even out tone between patch and original.

Benefits

What you actually get.

Invisible from normal viewing distance

Properly matched, patches read as part of the original wall from 3m+ - which is how anyone actually looks at a façade.

Costs a fraction of full re-render

Targeted repair is typically 20–40% of full re-render cost when the rest of the elevation is sound.

Stops the failure spreading

Cutting back beyond the failure edge stops the marching decay that ruins half-jobs.

Protects the brick behind

Sealing the wall before more water gets in saves the brickwork from going soft and needing structural repair.

Honest scope of work

We tell you straight if a repair won't read well - sometimes full re-render is the right call and we'll say so.

Manufacturer-pass-through warranties

Where the manufacturer warrants the materials in patch-repair applications, that warranty passes through to you in writing.

Detail

The materials, methods and situations.

For homeowners, specifiers and surveyors who want to know exactly what they're commissioning.

Failure types we repair

Blown render (debonded from substrate), cracked render (movement, frost, original installation defect), stained render (water tracking from gutters, flashings, window heads), missing pebble-dash stones, paint-trapped render (caused by repeated masonry-painting), and patches around removed flues, removed satellite dishes, removed signage.

Methods

Mechanical cut-back with diamond blade to defined edges, manual hack-off of blown sections, full mesh-embedded polymer basecoat, multi-layer colour-tinted topcoat to match texture, water-repellent silicone sealer to even out tone, and full-elevation wash where staining has to be addressed alongside the repair.

Variations of the service

Single-panel repair, multi-panel repair around windows and bays, full-elevation repair (where 30%+ of the wall has failed but the rest is sound), chimney render repair, gable apex repair (requires scaffold), and post-extension tie-in render where new shell meets original elevation.

Situations it applies to

Frost-damaged silicone render on north-facing Fareham elevations, blown pebble-dash on 1930s Portsmouth semis, cracked monocouche around new windows in Whiteley, render stained from leaking gutters in Gosport, and previously-patched render where the previous repair has shown up and needs redoing properly.

Residential vs. commercial

Residential repairs are usually domestic-scale, scaffold or tower as appropriate, scheduled around the household. Commercial render repair (offices, retail, schools) often runs to phased programmes around the operating premises, sometimes night work, with strict colour-match for branded buildings. Same standard, different paperwork.

FAQ

Honest answers to the questions we get most.

How much does render repair cost in Fareham?

Most single-panel repairs run £350–£900 depending on size, height and texture complexity. Larger multi-panel repairs scale from there. Full elevation repair where 30%+ has failed sometimes makes more sense as a full re-render - we'll tell you which is cheaper for your specific case.

How long will the repair take?

Most single-panel repairs are 1–2 days on site. Multi-panel or scaffold-required repairs run 3–7 days. We share a day-by-day schedule with the quote so you know exactly when works start and end.

Will the patch be visible?

Properly colour-and-texture matched, patches should read as part of the wall from 3m+ (normal viewing distance from the street). Up close in raking morning light you might detect the join slightly - no honest plasterer will promise zero visibility from 30cm with a torch.

Do I need scaffold?

Anything above ground floor reach we recommend scaffold or proper tower access. Ladder work at height is neither safe nor quality-feasible for render - the patch needs continuous wet edges that you can't achieve hopping ladder to ladder.

Will the cracks come back?

Mesh-reinforced patches don't reopen at the patch edge - that's what the mesh is for. If the underlying structural movement causing the original crack is still there (subsidence, missing lintel, etc.) we'll flag it before quoting, so you fix the cause rather than chase symptoms.

Can you match my render colour exactly?

Yes - we sample on a small test panel against the existing wall before committing the topcoat. Note that weathered colour and freshly-applied colour rarely match perfectly, so we often suggest a light silicone water-repellent wash across the whole elevation to even tone.

Is render repair worth it, or should I just re-render?

Depends what percentage of the elevation has failed. Under 25% failure - repair is almost always more cost-effective. Over 50% failure - full re-render usually makes more sense both financially and visually. Between those, we'll talk you through the trade-off honestly.