BT Group (CHIX:BTL) Interest Expense: £-1,228 Mil (TTM As of Mar. 2026)


CHIX:BTL BT Group PLC CHIX:BTL
66 GF Score
Price £1.86
GF Value £1.38
Valuation Significantly Overvalued
! 6 Warning Signs
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What is BT Group Interest Expense?

BT Group CHIX:BTL -1.46% 66 Interest Expense is £-1,228 Mil as of Mar. 2026. GuruFocus rates CHIX:BTL with a GF Score™ of 66/100 and a GF Value™ of £1.38 (Significantly Overvalued). The stock has 6 warning signs investors should review.

Interest Expense is the amount reported by a company or individual as an expense for borrowed money. BT Group's interest expense for the six months ended in Mar. 2026 was £ -540 Mil. Its interest expense for the trailing twelve months (TTM) ended in Mar. 2026 was £-1,228 Mil.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income(EBIT) by its Interest Expense. BT Group's Operating Income for the six months ended in Mar. 2026 was £ 1,729 Mil. BT Group's Interest Expense for the six months ended in Mar. 2026 was £ -540 Mil. BT Group's Interest Coverage for the quarter that ended in Mar. 2026 was 3.20. The higher the ratio, the stronger the company's financial strength is. Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

BT Group  (CHIX:BTl) Interest Expense Explanation

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense. The higher, the better.

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

BT Group's Interest Expense for the six months ended in Mar. 2026 was £-540 Mil. Its Operating Income for the six months ended in Mar. 2026 was £1,729 Mil. And its Long-Term Debt & Capital Lease Obligation for the six months ended in Mar. 2026 was £21,521 Mil.

BT Group's Interest Coverage for the quarter that ended in Mar. 2026 is calculated as

Interest Coverage=-1* Operating Income (Q: Mar. 2026 )/Interest Expense (Q: Mar. 2026 )
=-1*1729/-540
=3.20

* 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.

The higher the ratio, the stronger the company's financial strength is.

Warning Sign:

Ben Graham prefers companies' interest coverage to be at least 5. BT Group PLC interest coverage is 2.88, which is low.

BT Group Interest Expense Historical Data

* Premium members only.

The historical data trend for BT Group's Interest Expense 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.

BT Group Interest Expense Chart

BT Group Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Interest Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only -858.00 -927.00 -1,151.00 -1,253.00 -1,228.00

BT Group Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
Interest Expense 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 -565.00 -636.00 -617.00 -688.00 -540.00
CHIX:BTL
66GF Score
BT Group PLC CHIX:BTL
Interest Expense is just one metric. See GF Score™, valuation, warning signs, and more.
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BT Group Interest Expense Calculation

Interest Expense is the amount reported by a company or individual as an expense for borrowed money.

Interest Expense for the trailing twelve months (TTM) ended in Mar. 2026 adds up the semi-annually data reported by the company within the most recent 12 months, which was £-1,228 Mil.

* 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 Interest Expense →
What does a Interest Expense of £-1,228 Mil mean?
BT Group (CHIX:BTL) has a Interest Expense of £-1,228 Mil as of Mar. 2026. Interest Expense is the amount a company pays on its long-term debt. View historical data on BT Group and its competitors.
Is BT Group's Interest Expense too high?
BT Group's current Interest Expense is £-1,228 Mil. Overall, BT Group has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does BT Group's Interest Expense compare to TMUS and VZ?
BT Group's Interest Expense of £-1,228 Mil can be compared against companies in the Telecommunication Services industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Interest Expense for a Telecommunication Services company?
A good Interest Expense depends on the Telecommunication Services industry context. However, Interest Expense should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Interest Expense mean?
A high Interest Expense can signal that a stock is expensive relative to its fundamentals. Interest Expense is the amount a company pays on its long-term debt. View historical data on BT Group and its competitors. BT Group's current Interest Expense is £-1,228 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BT Group stock overvalued right now?
Based on GuruFocus' analysis, BT Group (CHIX:BTL) is currently considered Significantly Overvalued. The stock's GF Value™ is £1.38, compared to a current price of £1.86 — trading 34.7% above its estimated fair value. The current Interest Expense is £-1,228 Mil. BT Group's overall GF Score™ is 66/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Interest Expense calculated?
Interest Expense is calculated from a company's financial statements. For BT Group (CHIX:BTL), the current Interest Expense is £-1,228 Mil as of Mar. 2026. 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 BT Group (CHIX:BTL) Overvalued in 2026?

Based on GuruFocus' analysis, BT Group stock appears to be overvalued. The current stock price of £1.86 is trading 34.7% above its estimated GF Value™ of £1.38. GuruFocus considers BT Group to be Significantly Overvalued.

Key valuation signals for CHIX:BTL:

  • Interest Expense: £-1,228 Mil
  • GF Value™: £1.38 vs. price of £1.86 (34.7% above fair value)
  • GF Score™: 66/100 with 6 warning signs

No single metric tells the full story. See the CHIX:BTL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

BT Group Business Description

Other Exchanges BTGOF:USABT.A:UKBTQ:Germany
Address 1 Braham Street, London, GBR, E1 8EE
BT Group is the incumbent telecommunications operator in the UK. BT is the owner of Openreach, the largest fixed-line network in the country. Openreach operates as a separate entity due to regulatory requirements, but is still 100% owned by BT. Openreach has accelerated its fiber investments and expects to have 90% of the UK covered with FTTH by 2026. In the consumer division, BT has approximately 30% market share in broadband and mobile services. The enterprise segment serves large corporations, while the global services division provides communications consultancy services.
66GF Score

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Interest Expense is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

£1.86
Price
£1.38
GF Value