When homeowners invest in a high-end renovation, they naturally focus on colours, finishes and premium paint brands. Yet according to Simon Lipson, owner of JRSL Interiors, one factor has a greater impact on the longevity of a decorating project than anything else.
"Paint is only as good as the surface underneath it," he explains. "You can buy the most expensive paint available, but if the preparation isn't right, problems will appear sooner rather than later."
Having spent years decorating some of London's finest homes, Simon has seen first-hand how meticulous preparation transforms not only the appearance of a room but also the durability of the finish. In many cases, the unseen work carried out before the first coat is applied determines whether a paint job lasts three years or fifteen.
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Luxury homes across London often present unique challenges. Period properties may contain cracks, old repairs, layers of previous paint, or signs of moisture damage. Even newer homes can suffer from poor plasterwork or imperfections left behind by builders.
According to Simon:
"Preparation is where professional decorators earn their reputation. Anyone can apply paint, but creating the perfect surface takes experience."
Without proper preparation, homeowners may encounter:
These issues not only spoil the appearance of a room but can also lead to expensive redecorating much sooner than expected.
Following the principles of professional journalism and structured interviewing, we asked Simon about the challenges he commonly encounters and how his team addresses them.
What problems do you frequently encounter in London homes?
Simon Lipson:
"Many London properties are older houses. We regularly see walls that have been patched several times, hairline cracking, moisture damage, or surfaces that have simply been painted over repeatedly for decades."
What issues can these conditions create?
Simon Lipson:
"If defects aren't addressed properly, paint struggles to bond to the surface. You can end up with flaking, cracking or staining showing through, no matter how good the paint itself is."
How do you solve these problems?
Simon Lipson:
"We treat preparation as the most important stage of the project. Every surface is inspected carefully before we even think about opening a tin of paint."
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Before any decorating begins, experienced painters assess:
This stage helps identify issues that could shorten the life of the finish.
Premium decorating is impossible without a flawless foundation.
The JRSL Interiors team repairs:
Simon explains:
"You cannot hide imperfections with paint. Preparation allows us to create the smooth finish that luxury properties demand."
Sanding removes imperfections and creates a surface that allows paint to adhere correctly.
Professional sanding provides:
Modern dustless sanding systems also minimise disruption to homeowners.
One of the most overlooked stages is cleaning.
Surfaces often contain:
Simon says:
"Even invisible dirt affects how paint bonds. Cleaning is essential if you want a finish that lasts."
Primer creates the perfect base for decorative coatings.
It helps:
Professional decorators choose different primers depending on whether they're dealing with plaster, wood, metal or previously painted surfaces.
Older London properties are particularly vulnerable to moisture-related issues. These can cause:
According to Simon:
"Painting over damp never works. You have to solve the cause first. Otherwise, the same problems return."
His team works closely with builders and other trades where necessary, ensuring underlying defects are addressed before decorating begins. Collaboration between specialists is essential for achieving long-lasting results.
Many homeowners assume expensive paint guarantees durability.
Simon disagrees.
"Premium paint helps, but preparation matters far more. I'd rather use good paint on perfectly prepared walls than luxury paint on poor surfaces."
Professional preparation offers:
Over the years, Simon has worked on numerous prime London properties where preparation accounted for the majority of labour involved.
He recalls:
"We've had projects where preparation took two weeks and painting itself took five days. Clients are often surprised, but years later the finish still looks exceptional."
This attention to detail has become increasingly important as more homeowners embrace the "don't move, improve" philosophy, investing heavily in upgrading existing properties rather than relocating.
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After decades in the industry, Simon believes one principle stands above all others.
"Never rush preparation."
He adds:
"Decorating isn't about getting paint on the wall as quickly as possible. It's about creating a finish that still looks beautiful years from now."
For owners of expensive London homes, investing in experienced decorators who prioritise preparation provides:
Professional surface preparation:
As Simon Lipson often tells clients:
"The quality people admire at the end of a project is usually hidden in the work nobody sees."
Contact JRSL Interiors
If you're renovating a high-value property in London and want a finish that will stand the test of time, investing in experienced decorators who prioritise preparation can make all the difference.
JRSL Interiors
Phone: 07788 516436
Email: info@jrslinteriors.co.uk
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Why is surface preparation important before painting?
Proper preparation improves adhesion and prevents peeling, helping paint last significantly longer.
Does sanding walls make paint last longer?
Yes. Sanding creates a smooth surface that allows paint to bond more effectively.
Can you paint over damaged walls?
Damaged walls should be repaired first to achieve a durable and professional finish.
How long should a professional paint job last?
With proper preparation and quality materials, interior paint can last ten to fifteen years.
What causes paint to peel on walls?
Moisture, poor preparation and inadequate priming are common causes of peeling paint.
Is primer necessary before painting?
Primer improves adhesion, blocks stains and increases the lifespan of decorative finishes.
How do professionals prepare walls before painting?
Professionals clean, repair, sand and prime surfaces to ensure long-lasting results.
Does expensive paint compensate for poor preparation?
No. Even premium paints fail prematurely when applied to poorly prepared surfaces.
