Wales
Render Crack Repair in South Glamorgan
Diagnosing and repairing hairline, map and structural cracking in existing render.
Our render crack repair work in South Glamorgan starts with a free survey, because guessing at a render specification is how jobs go wrong.
Across South Glamorgan, Victorian and Edwardian terraces, Cardiff suburban housing and coastal properties dominates, and solid-wall terrace damp and coastal weathering at Barry and Penarth is what we are called out to most often. With wet with coastal exposure along the Severn estuary, specification matters more in this part of the country than a national price list suggests.
Local factor. Cardiff's victorian terraces are largely solid-wall, and external insulation with a breathable render is the upgrade that suits them best.
Is render crack repair right for a South Glamorgan property?
Choose crack repair when the render is otherwise sound and well-bonded but cracking is letting water in or spoiling the appearance.
That decision gets made at the survey, not on the phone. We will tell you plainly if a different system would serve the building better — including when a cheaper one would.
Guide price and specification
| Guide price | £55–£95 per m² |
|---|---|
| Applied thickness | Localised |
| Curing / drying | 2-5 days |
| Guarantee | 10 years |
| Coverage | All of South Glamorgan — 10 towns and cities |
Indicative only, excluding scaffold, stripping and repairs. Try the guide-price tool for a range based on your property.
What is included
- Crack mapping and diagnosis
- Distinguishes cosmetic from structural
- Stitching and mesh reinforcement
- Flexible fillers where movement continues
- Movement joint installation
- Full-elevation mesh skim option
- Colour-matched top coat
- Structural referral where needed
Render Crack Repair across South Glamorgan
Render Crack Repair in South Glamorgan
Tell us about the property and we will call you back to arrange a survey.
Other services in South Glamorgan
What happens next
Four steps from enquiry to finished wall
Free survey
We visit, test the substrate, measure up and identify what caused any existing failure.
Written quote
An itemised fixed price with the system named, materials specified and scaffold included.
Booked in
An agreed start date, scaffold arranged, and a clear run of days set aside for your job.
Finished and guaranteed
Site cleared, scaffold struck, guarantee documents and system warranty issued.
FAQs
Render Crack Repair in South Glamorgan — questions
Will you need scaffolding?
For anything above single storey, yes — it is safer and produces a better finish than working off ladders or towers. Scaffold is included and itemised in the quote.
How long before I can paint new render?
Through-coloured systems need no painting at all. Sand and cement should cure for around 28 days before masonry paint goes anywhere near it.
Do you take a deposit?
For most domestic jobs we take a deposit to cover materials and scaffold, with the balance on completion. Terms are set out clearly in the written quote.
Can you match my existing render?
Usually, yes. We colour and texture match as closely as we can, though weathered render never matches a fresh batch exactly — we will be honest about how visible a patch will be.
What causes cracks in render?
Shrinkage during curing, an over-strong mix, thermal movement, missing movement joints, substrate movement, or genuine structural movement. The pattern tells you which.
When do cracks mean structural problems?
Diagonal cracks from window and door corners, cracks wider than about 5mm, cracks that are visibly growing, or cracking matched by internal cracking. Those need a structural engineer, not a renderer.
Render Crack Repair quotes across South Glamorgan
Free survey, honest advice on whether this is the right system, and a fixed written price.