Update date
31 Mar 2025
Shareable Research Card
NGG - NATIONAL GRID PLC Goodwill
This metric view shows NGG - NATIONAL GRID PLC goodwill history from SEC company facts.
Use it to verify the latest reported value, compare nearby periods, and jump to a cross-company ranking when a curated insight exists.
- Context
- Latest reported period: Q1 2025
- Latest reported value
- £9,532,000,000
Based on company facts extracted from SEC 10-Q/10-K XBRL filings where available. Values may differ by reporting period and company taxonomy.
Return Loop
Why revisit this metric view
This metric history becomes more useful after the next quarterly or annual filing because the latest reported value, period, and company comparison context can all change.
- Latest source-backed update
- Latest period end 31 Mar 2025
- Why come back
- Return after the next filing to verify whether this metric changed and how it compares with the ranking page.
- Current latest reported period: Q1 2025.
- Latest reported value on this page: £9,532,000,000.
- Save this filer if you want to compare the next reported value with this history.
Metric freshness comes from the latest SEC company fact available for this taxonomy tag and the paired company facts page.
Latest update
Latest update for Goodwill
Latest reported goodwill: £9,532,000,000. Open the source-backed page to compare this metric with the newest filing-backed context.
Page type
Metric history
Latest period
Q1 2025
SEC-backed company facts were refreshed from filings filed on 29 May 2025.
Benchmark Context
How Goodwill compares with peers
NATIONAL GRID PLC sits in the top quarter of the current goodwill sample.
Compared with
Compared with 24 companies reporting goodwill in GBP. This keeps the comparison on the same metric and unit family.
Why this is notable
This is about 4.3x the current sample midpoint. Goodwill is down about 2% versus the comparable prior period.
- Visible rows currently span reported period ends from 30 Jun 2019 to 31 Dec 2025.
- Nearby companies in this sample: British American Tobacco p.l.c. and Haleon plc.
- Current sample position: rank #2 of 24 comparable companies.
- Peer rows use the latest valid value per company for this exact metric and compatible units.
Peer comparisons use the same metric and compatible units only. Latest reported periods may differ across companies, so open each company page before drawing conclusions.
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Financial Metric Page
NATIONAL GRID PLC: Goodwill
Latest period: Q1 2025. Period end: 31 Mar 2025. Units: GBP. Frequency: quarterly.
Goodwill is an SEC-reported metric from company XBRL facts.
Metric Snapshot
- Latest value
- £9,532,000,000
- Coverage range
- 31 Mar 2017 - 31 Mar 2025
- Fact rows
- 13
What This Metric Tells You
- Shows the reported level of goodwill over 31 Mar 2017 - 31 Mar 2025.
- Includes year-over-year change points to highlight acceleration or slowdown.
- Built from 13 SEC fact rows for this metric and issuer.
How To Read This Chart
- Start with the latest point, then compare it with the prior periods to see direction.
- Use quarterly sequence to compare like-for-like periods.
- Use YoY change bars to separate growth from contraction across matching periods.
Official SEC Source
Source: SEC Company Facts
Based on company facts extracted from SEC 10-Q/10-K XBRL filings where available. Reporting periods may differ by company.
- View Financial Facts Overview
- NATIONAL GRID PLC SEC filings
- Latest 10-Q/10-K Hub
- Open SEC Company Facts
Direct filing link is shown only when a matched SEC filing document is available for this metric context.
Compare This Metric Across Companies
Compare latest available Goodwill levels across SEC-reporting companies, then open each company metric page for SEC-backed verification. Reporting periods may differ by company.
NATIONAL GRID PLC appears at rank #2 in the latest comparison sample.
| Rank | Company | Latest value | Reported period | Next step |
|---|---|---|---|---|
| 1 | British American Tobacco p.l.c. (bti) | £38,917,000,000 | Instant - 31 Dec 2025 | Open British American Tobacco p.l.c. Goodwill |
| 2 | NATIONAL GRID PLC (ngg) | £9,532,000,000 | Instant - 31 Mar 2025 | Open NATIONAL GRID PLC Goodwill |
| 3 | Haleon plc (hln) | £8,127,000,000 | Instant - 31 Dec 2025 | Open Haleon plc Goodwill |
| 4 | RELX PLC (relx) | £7,930,000,000 | Instant - 31 Dec 2025 | Open RELX PLC Goodwill |
| 5 | GSK plc (gsk) | £7,018,000,000 | Instant - 31 Dec 2025 | Open GSK plc Goodwill |
| 6 | WPP plc (wpp) | £6,946,000,000 | Instant - 31 Dec 2025 | Open WPP plc Goodwill |
Metric Details
- Metric
- Goodwill (Goodwill)
- Taxonomy
- ifrs-full
- Units tracked
- GBP
- Frequency coverage
- quarterly
- History range
- 31 Mar 2017 - 31 Mar 2025
- Facts on this page
- 13
- Metric-level SEC endpoint
- Open SEC company concept
Metric identity
Metric coverage
SEC evidence
Chart Context
Compare periods with the same frequency first, then use YoY and TTM series to confirm whether changes are structural or one-off.
Goodwill, Quarterly (GBP)
Goodwill, YoY Quarterly Change (%)
NATIONAL GRID PLC Quarterly Goodwill (GBP)
| Period | Value | YoY Chg | Change % | Date | Report | Filed | Fiscal Year | Fiscal Period |
|---|---|---|---|---|---|---|---|---|
| Q1 2025 | £9,532,000,000 | -£197,000,000 | -2% | 31 Mar 2025 | 20-F | 29 May 2025 | 2025 | FY |
| Q3 2024 | £9,367,000,000 | -£538,000,000 | -5.4% | 30 Sep 2024 | 6-K | 07 Nov 2024 | 2025 | Q2 |
| Q1 2024 | £9,729,000,000 | -£118,000,000 | -1.2% | 31 Mar 2024 | 20-F | 29 May 2025 | 2025 | FY |
| Q3 2023 | £9,905,000,000 | -£477,000,000 | -4.6% | 30 Sep 2023 | 6-K | 09 Nov 2023 | 2024 | Q2 |
| Q1 2023 | £9,847,000,000 | +£315,000,000 | +3.3% | 31 Mar 2023 | 20-F | 29 May 2025 | 2025 | FY |
| Q3 2022 | £10,382,000,000 | 30 Sep 2022 | 6-K | 10 Nov 2022 | 2023 | Q2 | ||
| Q1 2022 | £9,532,000,000 | +£4,944,000,000 | +108% | 31 Mar 2022 | 20-F | 23 May 2024 | 2024 | FY |
| Q1 2021 | £4,588,000,000 | -£1,124,000,000 | -20% | 31 Mar 2021 | 20-F | 06 Jun 2023 | 2023 | FY |
| Q1 2020 | £5,712,000,000 | +£340,000,000 | +6.3% | 31 Mar 2020 | 20-F | 08 Jun 2021 | 2021 | FY |
| Q1 2019 | £5,372,000,000 | +£388,000,000 | +7.8% | 31 Mar 2019 | 20-F | 08 Jun 2021 | 2021 | FY |
| Q3 2018 | £5,860,000,000 | 30 Sep 2018 | 6-K | 08 Nov 2018 | 2019 | Q2 | ||
| Q1 2018 | £4,984,000,000 | -£1,112,000,000 | -18% | 31 Mar 2018 | 20-F | 08 Jun 2021 | 2021 | FY |
| Q1 2017 | £6,096,000,000 | 31 Mar 2017 | 20-F | 04 Jun 2018 | 2018 | FY |
* indicates a reported value that failed the local validity check.