Alumasc GroupLSE:ALU +2.13%79 Gross Margin % is 36.16% as of Dec. 2025, which is 3% above its 10-year median of 35.06. GuruFocus rates LSE:ALU with a GF Score™ of 79/100 and a GF Value™ of £2.39 (Fairly Valued). The stock has 1 warning sign investors should review. Among 491 Utilities - Regulated companies, Alumasc Group ranks better than 62.32% on this metric.
The historical rank and industry rank for Alumasc Group's Gross Margin % or its related term are showing as below:
LSE:ALU'
s Gross Margin % Range Over the Past 10 Years
Min: 29.71 Med: 35.06 Max: 38
Current: 37.28
During the past 13 years, the highestGross Margin % of Alumasc Group was 38.00%. The lowest was 29.71%. And the median was 35.06%.
LSE:ALU's Gross Margin % is ranked better than 62.32% of 491
companies
in the Utilities - Regulated industry
Industry Median: 30.95
vs LSE:ALU: 37.28
Alumasc Group had a gross margin of 36.16% for the quarter that ended in Dec. 2025 => Competition eroding margins
The 5-Year average Growth Rate of Gross Margin for Alumasc Group was 3.60% per year.
Alumasc Group (LSE:ALU) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Alumasc Group had a gross margin of 36.16% for the quarter that ended in Dec. 2025 => Competition eroding margins
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Alumasc Group Gross Margin % Related Terms
Alumasc Group Gross Margin % Historical Data
* Premium members only.
The historical data trend for Alumasc Group's Gross Margin % can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
LSE:ALU vs AWK, WTRG, AWR: Gross Margin % Comparison
For the Utilities - Regulated Water subindustry, Alumasc Group's Gross Margin %, along with its competitors' market caps and Gross Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Alumasc Group Gross Margin % vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Alumasc Group's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Alumasc Group's Gross Margin % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Alumasc Group (LSE:ALU) has a Gross Margin % of 36.16% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Alumasc Group and its competitors. This is near median its historical median of 35.06. Over the past decade, Alumasc Group's Gross Margin % has ranged from 29.71 to 38.00. According to the industry distribution chart, Alumasc Group ranks #185 out of 491 companies in the Utilities - Regulated industry, placing it in the top 37.7%.
Is Alumasc Group's Gross Margin % too high?
Alumasc Group's current Gross Margin % of 36.16% is near median its 10-year median of 35.06. Over the past 10 years, this metric has ranged from a low of 29.71 to a high of 38.00. The Utilities - Regulated industry median Gross Margin % is 30.95. Alumasc Group's value of 36.16% is 16.8% above this industry median. Based on the distribution chart, Alumasc Group ranks #185 out of 491 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Alumasc Group has a GF Score™ of 79/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Alumasc Group's Gross Margin % compare to AWK and WTRG?
According to the Utilities - Regulated industry distribution chart, Alumasc Group ranks #185 out of 491 companies for Gross Margin %. This puts Alumasc Group in the upper half of its industry. The industry median Gross Margin % is 30.95. Alumasc Group's value of 36.16% is 16.8% above this benchmark. Historically, Alumasc Group's own Gross Margin % has ranged from 29.71 to 38.00 over the past decade. While the company's 10-year median is 35.06 vs. the industry median of 30.95, Alumasc Group has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Gross Margin % for an Utilities - Regulated company?
The median Gross Margin % among Utilities - Regulated companies is 30.95, based on 491 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Alumasc Group's current Gross Margin % of 36.16% is 16.8% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Alumasc Group and its competitors. For the Utilities - Regulated industry, the median Gross Margin % is 30.95 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Alumasc Group's current Gross Margin % is 36.16%, which is near median its own 10-year median of 35.06. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alumasc Group stock overvalued right now?
Based on GuruFocus' analysis, Alumasc Group (LSE:ALU) is currently considered Fairly Valued. The stock's GF Value™ is £2.39, compared to a current price of £2.40 — trading 0.4% above its estimated fair value. The current Gross Margin % is 36.16%, which is near median its 10-year median of 35.06 and 16.8% above the Utilities - Regulated industry median of 30.95. Alumasc Group's overall GF Score™ is 79/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Alumasc Group (LSE:ALU), the current Gross Margin % is 36.16% as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Alumasc Group (LSE:ALU) Overvalued in 2026?
Based on GuruFocus' analysis, Alumasc Group stock appears to be overvalued.
The current stock price of £2.40 is trading 0.4% above its estimated GF Value™ of £2.39.
GuruFocus considers Alumasc Group to be Fairly Valued.
Key valuation signals for LSE:ALU:
Gross Margin %: 36.16% (near median its 10-year median of 35.06)
GF Value™: £2.39 vs. price of £2.40 (0.4% above fair value)
Industry Position: 16.8% above the Utilities - Regulated median (#185 of 491)
No single metric tells the full story. See the LSE:ALU stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Alumasc Group PLC is a building product, system, and solution company. Its segment includes Water Management, Building Envelope, and Housebuilding Products. The company operates in the UK, Europe, North America, the Middle East, the Far East, and the Rest of the World. It generates the majority of its revenue from the United Kingdom. The company generates the majority of its revenue from Water Management, which provides rainwater and drainage products that capture, retain, and control the flow of rainwater inside and outside buildings from the original source to water course, sewer, or ground.
79GF Score
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