Alumasc Group (LSE:ALU) ROC %: 10.45% (As of Dec. 2025)


LSE:ALU Alumasc Group PLC LSE:ALU
79 GF Score
Price £2.35
GF Value £2.39
Valuation Fairly Valued
! 1 Warning Sign
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What is Alumasc Group ROC %?

Alumasc Group LSE:ALU 79 ROC % is 10.45% as of Dec. 2025. 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.

ROC % measures how well a company generates cash flow relative to the capital it has invested in its business. It is also called ROIC %. Alumasc Group's annualized return on capital (ROC %) for the quarter that ended in Dec. 2025 was 10.45%.

As of today (2026-06-26), Alumasc Group's WACC % is 10.24%. Alumasc Group's ROC % is 14.72% (calculated using TTM income statement data). Alumasc Group generates higher returns on investment than it costs the company to raise the capital needed for that investment. It is earning excess returns. A firm that expects to continue generating positive excess returns on new investments in the future will see its value increase as growth increases.


Alumasc Group  (LSE:ALU) ROC % Explanation

ROC % measures how well a company generates cash flow relative to the capital it has invested in its business. It is also called ROIC %. The reason book values of debt and equity are used is because the book values are the capital the company received when issuing the debt or receiving the equity investments.

There are four key components to this definition. The first is the use of operating income or EBIT rather than net income in the numerator. The second is the tax adjustment to this operating income or EBIT, computed as a hypothetical tax based on an effective or marginal tax rate. The third is the use of book values for invested capital, rather than market values. The final is the timing difference; the capital invested is from the end of the prior year whereas the operating income or EBIT is the current year's number.

Why is ROC % important?

Because it costs money to raise capital. A firm that generates higher returns on investment than it costs the company to raise the capital needed for that investment is earning excess returns. A firm that expects to continue generating positive excess returns on new investments in the future will see its value increase as growth increases, whereas a firm that earns returns that do not match up to its cost of capital will destroy value as it grows.

As of today, Alumasc Group's WACC % is 10.24%. Alumasc Group's ROC % is 14.72% (calculated using TTM income statement data). Alumasc Group generates higher returns on investment than it costs the company to raise the capital needed for that investment. It is earning excess returns. A firm that expects to continue generating positive excess returns on new investments in the future will see its value increase as growth increases.


Be Aware

Like ROE % and ROA %, ROC % is calculated with only 12 months of data. Fluctuations in the company's earnings or business cycles can affect the ratio drastically. It is important to look at the ratio from a long term perspective.


Alumasc Group ROC % Related Terms


Alumasc Group ROC % Historical Data

* Premium members only.

The historical data trend for Alumasc Group's ROC % 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.

Alumasc Group ROC % Chart

Alumasc Group Annual Data
Trend Jun16 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
ROC %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 14.74 20.85 21.10 21.20 19.34

Alumasc Group Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
ROC % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 21.59 21.34 21.17 19.13 10.45
LSE:ALU
79GF Score
Alumasc Group PLC LSE:ALU
ROC % is just one metric. See GF Score™, valuation, warning signs, and more.
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Alumasc Group ROC % Calculation

Alumasc Group's annualized Return on Capital (ROC %) for the fiscal year that ended in Jun. 2025 is calculated as:

ROC % (A: Jun. 2025 )
=NOPAT/Average Invested Capital
=Operating Income * ( 1 - Tax Rate % )/( (Invested Capital (A: Jun. 2024 ) + Invested Capital (A: Jun. 2025 ))/ count )
=15.161 * ( 1 - 23.91% )/( (56.871 + 62.442)/ 2 )
=11.5360049/59.6565
=19.34 %

where

Alumasc Group's annualized Return on Capital (ROC %) for the quarter that ended in Dec. 2025 is calculated as:

ROC % (Q: Dec. 2025 )
=NOPAT/Average Invested Capital
=Operating Income * ( 1 - Tax Rate % )/( (Invested Capital (Q: Jun. 2025 ) + Invested Capital (Q: Dec. 2025 ))/ count )
=8.58 * ( 1 - 22.63% )/( (62.442 + 64.606)/ 2 )
=6.638346/63.524
=10.45 %

where

Note: The Operating Income data used here is two times the semi-annual (Dec. 2025) data. The tax rate is limited to between 0% and 100%.

* 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.

Frequently Asked Questions Learn more about ROC % →
What does a ROC % of 10.45% mean?
Alumasc Group (LSE:ALU) has a ROC % of 10.45% as of Dec. 2025. Return on capital is the ratio of current-period net income to average two-period capital. View historical data on Alumasc Group and its competitors.
Is Alumasc Group's ROC % too high?
Alumasc Group's current ROC % is 10.45%. The Utilities - Regulated industry median ROC % is 4.18. Alumasc Group's value of 10.45% is 150% above this industry median. 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 ROC % compare to AWK and WTRG?
Alumasc Group's ROC % of 10.45% can be compared against companies in the Utilities - Regulated industry. The industry median ROC % is 4.18. Alumasc Group's value of 10.45% is 150% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROC % for an Utilities - Regulated company?
The median ROC % among Utilities - Regulated companies is 4.18, based on 501 companies in the industry. Companies in the top quartile (top 25%) have a ROC % significantly above this median, while those in the bottom quartile fall well below. However, ROC % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Alumasc Group's current ROC % of 10.45% is 150% 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 ROC % mean?
A high ROC % can signal that a stock is expensive relative to its fundamentals. Return on capital is the ratio of current-period net income to average two-period capital. View historical data on Alumasc Group and its competitors. For the Utilities - Regulated industry, the median ROC % is 4.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Alumasc Group's current ROC % is 10.45%. 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 £2.35 — trading 1.7% below its estimated fair value. The current ROC % is 10.45% and 150% above the Utilities - Regulated industry median of 4.18. 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 ROC % calculated?
ROC % is calculated from a company's financial statements. For Alumasc Group (LSE:ALU), the current ROC % is 10.45% 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 undervalued. The current stock price of £2.35 is trading 1.7% below its estimated GF Value™ of £2.39. GuruFocus considers Alumasc Group to be Fairly Valued.

Key valuation signals for LSE:ALU:

  • ROC %: 10.45%
  • GF Value™: £2.39 vs. price of £2.35 (1.7% below fair value)
  • GF Score™: 79/100 with 1 warning sign
  • Industry Position: 150% above the Utilities - Regulated median

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 Business Description

Other Exchanges 0JL:Germany
Address Station Road, Burton Latimer, Kettering, Northamptonshire, GBR, NN15 5JP
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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ROC % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

£2.35
Price
£2.39
GF Value