How Does Sanding an Old Parquet Floor Work? Process, Benefits and Common Mistakes

How Does Sanding an Old Parquet Floor Work? Process, Benefits and Common Mistakes

How Does Sanding an Old Parquet Floor Work? Process, Benefits and Common Mistakes

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Renovating a parquet floor is an excellent way to refresh your interior while avoiding the high cost of a full floor replacement. Sanding, filling and varnishing parquet floors restores the natural beauty of the wood and improves resistance to everyday wear. This article explains how parquet floor sanding is carried out, why renovation is often a better option than replacement, and which mistakes should be avoided.

Why renovate old parquet floors instead of replacing them?

Renovating old parquet flooring often saves both time and money. Replacing a parquet floor involves higher costs and more disruptive work, while renovation is faster and less invasive, especially if the floor is still structurally sound.

One of the main advantages is cost efficiency. Repairing and refinishing an existing parquet floor is significantly cheaper than removing the old floor and installing a new one. Renovation is also more sustainable, as it extends the lifespan of a natural material and reduces waste.

From a practical perspective, parquet sanding and varnishing usually takes only a few days. With proper care, a renovated parquet floor can last for several more decades.

How does parquet floor sanding work step by step?

Sanding parquet flooring is a precise process that requires experience and professional equipment.

The first step is preparing the room. Furniture is removed and the floor is thoroughly cleaned. Sanding produces fine dust, so proper preparation is essential.

Next comes the actual parquet floor sanding. Professional sanding machines and abrasives with different grit sizes are used. The process begins with a coarse grit to remove old varnish, scratches and surface damage. Finer grits are then applied to achieve a smooth, even surface. For consistent results, sanding is carried out both along and across the wood grain.

After sanding, parquet floor filling is performed. Gaps, cracks and small defects are filled to create a uniform surface. Once the filler has dried, the floor is lightly sanded again.

The final stage is varnishing the parquet floor. The varnish protects the wood and defines the final appearance. Depending on preference, a matt, satin or gloss finish can be chosen. Varnish is applied in several coats, with sufficient drying time between each layer.

When is removing or replacing old parquet floors necessary?

Not all parquet floors are suitable for renovation. If the floor is severely damaged, unstable or affected by moisture, sanding may not deliver a satisfactory result.

Parquet flooring bonded with bitumen or installed on a badly deteriorated subfloor can be difficult to renovate. Multiple old layers of varnish or paint may also make sanding technically challenging.

In such cases, complete replacement may be the most reliable long-term solution, despite higher initial costs.

Common mistakes when sanding parquet floors and how to avoid them

One of the most frequent mistakes is applying uneven pressure to the sanding machine, which can cause dips and waves in the floor. The machine should be guided smoothly without excessive force.

Another common issue is choosing the wrong abrasive grit. Grits that are too coarse can damage the wood, while overly fine grits may fail to remove old finishes. Sanding should always progress from coarse to fine.

Sanding against the wood grain can leave visible marks. Problems may also arise from poor filling or varnishing on a surface that has not fully dried, leading to bubbles or uneven finishes.

How much does parquet floor sanding cost in the UK?

The cost of parquet floor sanding depends on the size of the area, the condition of the floor, the wood type and the chosen finish. Larger areas usually result in a lower price per square metre.

Type of work Price per m² (EUR) Note

Parquet sanding

6 – 12 EUR

It depends on the condition of the parquet and the thickness of the sanding.

Parquet sealing

2 – 4 EUR

The price depends on the extent of the cracks and crevices.

Parquet varnishing (1 layer)

3 – 6 EUR

The number of layers affects the price.

Complete renovation (sanding + puttying + painting)

12 – 20 EUR

Complete package of services, this is a guide price.

Removing old parquet floors

5 – 8 EUR

It depends on the method of attaching the parquet.

Dismantling old floors and installing new floors

15 – 30 EUR

It also takes into account the price of the material.

A full service including sanding, filling and varnishing costs more than sanding alone, but delivers a more durable and visually consistent result. A site inspection and detailed quotation are always recommended.

How to choose a reliable parquet flooring specialist

Selecting the right contractor is essential for a successful renovation. Look for experience, verified reviews and completed projects. A reputable specialist provides a clear and transparent quotation outlining all works.

Modern equipment, high-quality materials and good communication are equally important. Clear agreements help prevent misunderstandings during the project.

Why parquet floor renovation still makes sense in 2025

Parquet floor renovation remains a smart investment in 2025. It restores the appearance and functionality of the floor, extends its lifespan and reduces overall costs compared to replacement. When carried out professionally, a renovated parquet floor continues to add comfort and long-term value to both homes and commercial interiors.

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