Newport · Gwent
Concrete repairs in Newport
A crumbling balcony edge at a Newport property is rarely just cosmetic. It is usually a sign of rusting steel inside, and the sooner it is repaired, the less concrete has to be broken out and rebuilt.
Guide price from£80per m² inc VAT

- Postcodes
- NP10, NP19, NP20
- Population
- about 160,000
- Area
- Gwent
- Pricing region
- Wales
What is the ground like in Gwent?
We cover Newport and its postcode districts NP10, NP19, NP20, part of Gwent, with a population of roughly 160,000. Nearby places we cover include Risca (5 miles), Cwmbran (5 miles) and Abercarn (7 miles).
Parts of Gwent have clay that can shrink near trees in dry spells. Historic coal workings are recorded beneath parts of Gwent, and a coal mining search is worth checking where movement is unexplained. What you mostly find across Gwent: valley terraces on steep hillsides, Victorian houses in Newport and Abergavenny, and post-war estates.
What happens when we carry out concrete repairs in Newport?
Photos and a description
Send photos of the damage close up and from a distance, plus the whole balcony, canopy or elevation. Tell us roughly how old the building is and whether anything has fallen, so we can judge whether to make it safe first.
Engineer where needed
If the steel has lost significant section, or the element carries a balcony, stair or wall, an independent chartered structural engineer is appointed to assess and specify. We can arrange this, and the repair follows their scope.
Written quote
You receive a no-obligation written quote setting out the estimated area of patching, the length of crack injection, coatings and access. It becomes a fixed price in writing once the repair is specified, with any re-measure terms stated clearly.
Signs you may need concrete repairs
- Fine cracks running in straight lines along the line of the reinforcement
- Damp patches, white deposits or drips on a balcony or canopy underside
- Chunks or flakes of concrete breaking away from edges and soffits
How much will concrete repairs cost in Newport?
For Newport we use Wales rates. Treat the table as a budget guide, inc VAT; the price you pay is the one on your written quote.
| Item | Guide price | Per |
|---|---|---|
| Concrete patch repair | £80 – £165 | per m² |
| Crack injection | £165 – £440 | per metre |
| Small jobs (minimum visit)est. | £415 – £830 | per visit |
Which repair method suits a home in Newport?
Crack injection
Cracks are sealed at the surface, then a low-viscosity resin is injected under pressure through ports until it fills the crack. A rigid resin bonds the two faces back together, while a flexible one seals live cracks against water. The choice depends on whether the crack is still moving.
Best for: Cracks letting water in, or splitting a slab or beam
Patch repair
Loose and contaminated concrete is broken out behind the bar, the steel is cleaned of rust and primed, and the section is rebuilt with a repair mortar. The edges are cut square so the patch does not feather out and fail. A protective coating may be applied over the whole surface afterwards.
Best for: Localised spalling around rusting bars
Rules for concrete repairs in Wales
In Wales, small like-for-like repairs do not usually need approval, but work that alters or strengthens the structure needs building control under the Welsh Building Regulations, and the Party Wall etc. Act 1996 can apply to shared walls.
Concrete repairs in Newport: questions and answers
What is the price of concrete repairs in Newport?
Guide prices for concrete repairs in Newport start from about £80 per m², including VAT, on Wales rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Do you carry out concrete repairs in Newport?
Yes, Newport is covered, along with postcode districts NP10, NP19, NP20. We also cover nearby Risca and Cwmbran.
Does the ground around Newport cause cracking?
The valleys of Blaenau Gwent, Torfaen and Islwyn lie on the South Wales coalfield with extensive historic workings and spoil tips, while Newport and Monmouthshire have Mercia Mudstone, alluvium and Old Red Sandstone. Only an investigation can say why a particular building has moved.
Can a concrete balcony be repaired rather than replaced?
In most cases, yes. Patch repairs, crack injection, a new waterproof deck and restored drips usually extend a balcony’s life considerably. Replacement is generally only needed where the steel has lost a lot of section or the balcony’s fixing to the building is compromised.
What is spalling concrete?
Spalling is concrete breaking away from the surface in flakes or chunks. In reinforced concrete it is usually caused by the steel inside rusting and expanding, which pushes the cover off. It often follows a straight line where a bar sits close to the surface, with rust staining nearby.
More repairs we carry out in Newport
- Gable end wall repairs
- Resin injection ground stabilisation
- Crack stitching
- Chimney stack repairs
- Bowing wall repairs
Concrete repairs near Newport
Send close-up and wide photos of the damaged concrete at your Newport property for a free initial assessment and a no-obligation written quote.