A durable, weatherproof alternative to painting — guaranteed for 20 years
Protecting Hertfordshire homes from Chiltern frost pockets and clay-movement render stress for over 30 years — guaranteed for 20.
Check If Your Property QualifiesTakes less than 60 seconds
Hertfordshire sits on a transition between London clay to the south and chalk to the north, and this geological variation creates distinct maintenance challenges for exterior masonry across the county. Properties in the Watford and Cheshunt corridors are built on London clay, which expands and contracts seasonally, placing cumulative stress on render bonds. The Chiltern chalk escarpment running through Berkhamsted, Tring, and Royston creates valley frost pockets where temperatures drop several degrees below surrounding areas each winter, subjecting render to freeze-thaw cycles that paint-based systems cannot withstand.
Hertfordshire contains three major post-war new towns — Stevenage, Hemel Hempstead, and Hatfield — all of which were built extensively with pebbledash render on semi-detached housing stock. This pebbledash is now 60 to 70 years old and represents the largest concentration of deteriorating post-war pebbledash in the South East outside of Essex. The Watford to Potters Bar commuter corridor contains dense 1930s semi-detached properties with rendered facades. St Albans and Hertford retain significant Edwardian terraced stock in their historic centres.
New town pebbledash in Stevenage, Hemel Hempstead, and Hatfield follows a predictable failure pattern: the render bond behind the aggregate weakens over decades, sections begin to bulge and then fall away, and the exposed substrate — often lightweight concrete block — absorbs water far more readily than traditional masonry. In the Chiltern valleys at Berkhamsted and Tring, masonry paint on rendered properties peels and flakes after one to two severe winters. On London clay properties in the south of the county, diagonal cracking from seasonal ground movement is the dominant visible symptom. A wall coating addresses the waterproofing need without requiring full render removal.
Discover why 10,000s of homeowners each year are switching from traditional masonry paint.
| Masonry Paint | Pinnacle Wall Coatings | |
|---|---|---|
| Thickness | ✗ Thin — wears in 2–5 years | ✓ 20× thicker than standard paint |
| Waterproofing | ✗ Minimal — absorbs moisture | ✓ Fully waterproof & breathable |
| Longevity | ✗ Repaint every 2–5 years | ✓ Apply once — guaranteed for 20 years |
| Damp prevention | ✗ Does not stop penetrating damp | ✓ Stops penetrating damp |
| Crack & repair | ✗ Does not fix underlying cracks | ✓ Cracks repaired as part of application |
| Long-term cost | ✗ Ongoing paint every few years | ✓ One investment, decades of protection |
As well as transforming the beauty of your property, our unique coatings deliver measurable, long-term benefits for every homeowner.
Apply just once and there'll be no need to keep repainting your property every year.
A resin-based, waterproof, protective exterior wall coating will add value to your property.
Reduces water absorption by more than 93%. Dry walls mean less heat loss.
Water cannot stick to the coated surface but forms droplets that run off.
Water and moisture can still escape the masonry thanks to the highly breathable formula.
Masonry stays clean and attractive as dirt is unable to take hold of your exterior.
No more worrying about mould developing in your home and causing health issues.
Fixes cracked rendering, falling pebbledash, spalling brickwork, damp & porous surfaces.
Save on maintenance bills & heating costs and no worrying about penetrating damp.
Our products can be applied all year round and on almost any property exterior.
We'll beat any genuine like-for-like quote for the same job in England and Wales.
All of our work is covered by a 20-year guarantee giving you peace of mind.
Approved, quality-controlled products with a proven, tried-and-tested application process — carried out entirely by our own trained teams.
All areas to be treated are fully inspected and scaffold is erected where necessary.
We'll powerwash your whole exterior to remove flaking paint and to treat any mould or algae.
We'll test and remove any loose substrate using hand and mechanical tools.
We'll meticulously protect all drives, paths, doors, windows, drainpipes and guttering.
A specialist primer is applied by roller to all treatable areas for greater adhesion.
We'll spray apply a long-lasting, protective, resin-based coating in a colour of your choice.
All coverings are removed and any rubbish is put in a skip or removed from site.
Once you're fully satisfied with our work, we'll issue your 20-year guarantee.
Our unique exterior wall coatings come in a wide range of colours and textures.
A small sample of our previous residential and commercial jobs. We'd be delighted to show you more on enquiry.
Our highly trained and qualified teams cover the whole of England & Wales.
We'll beat ANY genuine like-for-like wall coatings quote across England & Wales.
Our expert team are trained to the highest industry standards and only use quality-assured products.
We offer a 20-year warranty on every project we deliver, for every customer.
100% satisfaction guaranteed. Here are a few of our client testimonials from Google Reviews.
We'll beat ANY like-for-like quote in England & Wales. No obligation at all — just a quick quote to see how much it will cost to transform your property.
Check If Your Property QualifiesTakes less than 60 seconds 0333 772 3623 Call our customer team freeWe are a family-run business with over 30 years of experience applying exterior coatings across England. Our teams cover Hertfordshire regularly and understand the specific challenges that moderate rainfall (~600mm/year) combined with Chiltern frost pockets presents for masonry throughout the county. Every surveyor and application team member is a Pinnacle employee — we never use sub-contractors.
Most properties are suitable — rendered walls, pebbledash, brick, and stone can all be coated. Hertfordshire's mix of post-war pebbledash semis in the new town estates of Stevenage, Hemel Hempstead, and Hatfield, and other common Hertfordshire property types, are all surfaces we regularly work on. The best way to find out is a free, no-obligation survey. Our surveyor will assess your property and give you a definitive answer at no cost.
Prices start from £3,500 for smaller properties and typically range to £12,000 or more for larger detached homes, depending on size, access requirements, and the condition of the existing exterior. We provide a fixed price after surveying your Hertfordshire property — no hidden costs and no pressure to proceed.
Every job comes with a full 20-year guarantee. If anything covered by the guarantee fails during that period, we return to your Hertfordshire property and fix it at no cost to you. No quibbles, no qualifications.
Most Hertfordshire homes take 3–7 days to complete depending on size and the condition of the existing exterior. Larger properties or those requiring significant preparation work can take up to two weeks. Our team works continuously on your property — we do not split the crew between multiple jobs at once.
In the vast majority of cases, yes. Our coatings create a fully waterproof but breathable barrier that prevents water ingress while allowing any moisture already in the wall to escape. Given Hertfordshire's moderate rainfall (~600mm/year), this breathable waterproofing is particularly valuable. Damp protection is covered under the 20-year guarantee.
Yes — Stevenage, Hemel Hempstead, and Hatfield post-war pebbledash is some of the most common work we carry out in Hertfordshire. We apply our coating system directly over the existing pebbledash, binding any loose aggregate, filling voids, and creating a long-term waterproof finish. This is significantly more cost-effective than pebbledash removal and causes far less disruption to the household.
Yes — our before and after gallery on this page shows examples from completed jobs. We are also happy to provide references from customers in Hertfordshire on request. Ask your surveyor at the time of your free survey and they will be happy to arrange this.
Check if Your Property is Suitable For an Exterior Wall Coating Solution in 60 Seconds or Less – FREE Survey
FREE no obligation quote provided & we'll beat any genuine like for like quote in England & Wales & you get a 20 year guarantee!
🏠 Check Property Suitability →Takes Less Than 60 Seconds