Which Brands Dominate UK Loft & Wall Insulation? 3 Brands Ranked (2026)
Ranked by real listing count across 3 brands in Loft & Wall Insulation.
Choosing loft and wall insulation is a key step in improving your home’s energy efficiency. This guide ranks three leading brands – Knauf, SuperFOIL, and Rockwool – based on recent sales data and customer feedback for 2026. We’ve analysed listings, average prices (£89.87 - £56.72), ratings (3.88/5 - 4.6/5) and review volumes (135 - 40, 5909 – 2) to help you understand which brand offers the best balance of value and performance for your needs. Find out which consistently performs well with UK homeowners.
| # | Brand | Listings | Avg. price | Avg. rating | Total reviews |
|---|---|---|---|---|---|
| 1 | Knauf | 5 | £89.87 | 3.9 / 5 | 135 |
| 2 | SuperFOIL | 3 | £69.79 | 4.3 / 5 | 5,909 |
| 3 | Rockwool | 2 | £56.72 | 4.6 / 5 | 40 |
Brand-by-Brand Breakdown
- Knauf: 5 listings, average £89.87, average rating 3.88/5, 135 total reviews
- SuperFOIL: 3 listings, average £69.79, average rating 4.3/5, 5909 total reviews
- Rockwool: 2 listings, average £56.72, average rating 4.6/5, 40 total reviews
What This Ranking Tells You
Based on these figures, Rockwool emerges as the highest-rated brand at 4.6/5, indicating a strong positive reception from users. Furthermore, its relatively low average price of £56.72 positions it competitively within the market.
SuperFOIL boasts the most reviews (5909) and therefore represents the most popular choice amongst consumers. Knauf, with 5 listings, is the brand with the highest volume of availability across the retailer's catalogue.
How to Choose a Brand
- If you prioritise high ratings and positive feedback, Rockwool should be your initial focus.
- Consider SuperFOIL if you’re looking for a product with the largest user base and substantial review volume.
- Given the price ranges, Knauf is the most expensive option; assess whether its higher listing count justifies the increased cost.
See the full range in Loft & Wall Insulation.
FAQ
What does the number of listings tell us about the popularity of each brand?+
Knauf has the highest number of listings (5), indicating it’s the most frequently available brand within this insulation category on the shopping site. This suggests a higher level of demand and potentially greater accessibility for consumers seeking loft and wall insulation solutions.
Which brand offers the best value based on price?+
Rockwool currently represents the most affordable option with an average price of £56.72. While other brands have lower individual prices, Rockwool's lower average cost makes it the most budget-conscious choice within this ranking.
Which brand receives the highest overall customer rating?+
Rockwool achieves the highest average customer rating (4.6/5). This indicates a strong level of satisfaction among customers who have purchased and reviewed Rockwool products, suggesting a positive experience with its performance and quality.
How many reviews does each brand have?+
SuperFOIL boasts the largest number of reviews at 5909. Knauf has 135 reviews, and Rockwool has only 40. This significant difference in review volume suggests a greater level of customer feedback and potentially more widespread use of SuperFOIL.
Does having more listings automatically mean a better product?+
Not necessarily. While Knauf’s high listing count suggests popularity, it doesn't directly equate to superior quality or performance. The ranking is based on a combination of factors including price, rating and review volume, offering a broader view of consumer preference.
Which brand has the widest price range?+
Knauf offers the broadest price range, fluctuating from £30.87 to £189.99. This variability provides flexibility for customers with different budgets but also requires careful consideration of specific needs and requirements within that range.
What does the average rating represent?+
The average rating of 4.6/5 for Rockwool indicates a generally positive perception of its insulation properties based on the collective feedback from customer reviews. This score is higher than the other brands, reflecting a strong level of satisfaction among users.
How can I use this ranking to make my decision?+
This ranking provides a starting point for your selection. If you prioritize value and affordability, Rockwool is likely the best choice. For high ratings and extensive user feedback, SuperFOIL or Knauf may be more suitable, depending on your budget.
Is there a clear difference in product quality based solely on these figures?+
While the data suggests differences, it’s crucial to consider that this ranking is based on listings, average rating and review volume. Further research into specific product features, technical specifications, and customer testimonials beyond this initial overview is recommended for a complete assessment.
Which brand offers the most comprehensive range of options?+
Knauf has the largest number of listings (5), suggesting it may offer a broader selection of products within the loft and wall insulation category. This could include different thicknesses, sizes or specific applications that align with various homeowner needs.