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Company profile · Plumbers and heating engineers

Nerg Limited

Nerg Limited is a 12-year-old private limited company registered in Lincoln, company number 08959309, one of 130 plumbing and heating companies in Lincoln. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.

Active 08959309 Total exemption (full) accounts Lincoln Since 2014

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Oct 2026
in 19 days
For the period to 31 Jan 2026
CT600 due
31 Jan 2027
in 111 days
Period 1 Feb 2025 to 31 Jan 2026
Corporation tax payment
1 Nov 2026
in 20 days
9 months and 1 day after the period end
Confirmation statement
9 Apr 2027
in 179 days
Last made up to 26 Mar 2026

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Financial snapshot, 2025

From the balance sheet at 31 January 2025, as filed at Companies House.

Net assets
£707K
-31.2% on the year before
Cash at bank
£332K
+260.2% on the year before
Current assets
£1.4M
Employees
25
Average during the year, including directors

Nerg Limited over the years

From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.

  • Net assets down £321K (-31.2%) on the year before, to £707K.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £1.4M against £855K owed within a year: 1.6 times cover.
  • 25 employees on average, up from 22 the year before.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£500K£1M31 January 2016: net assets £359K201631 January 2017: net assets £372K201731 January 2018: net assets £488K201831 January 2019: net assets £361K201931 January 2020: net assets £695K202031 January 2021: net assets £932K202131 January 2022: net assets £1M202231 January 2023: net assets £1.1M202331 January 2024: net assets £1M202431 January 2025: net assets £707K£707K2025
Net assets at each year end, 2016 to 2025£0£500K£1M31 January 2016: net assets £359K'1631 January 2017: net assets £372K'1731 January 2018: net assets £488K'1831 January 2019: net assets £361K'1931 January 2020: net assets £695K'2031 January 2021: net assets £932K'2131 January 2022: net assets £1M'2231 January 2023: net assets £1.1M'2331 January 2024: net assets £1M'2431 January 2025: net assets £707K£707K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jan 2025£707K£332K£1.4M£855K25
31 Jan 2024£1M£92K£1.4M£460K22
31 Jan 2023£1.1M£225K£1.6M£642K21
31 Jan 2022£1M£326K£1.4M£500K18
31 Jan 2021£932K£475K£1.7M£822K16
31 Jan 2020£695K£529K£993K£403K17
31 Jan 2019£361K£174K£408K£173K17
31 Jan 2018£488K£241K£607K£231K5
31 Jan 2017£372K£326K£448K£192K3
31 Jan 2016£359K£189K£435K£214K2

Public contracts won

Nerg Limited has 3 public sector contract awards on record; the ones with their own published value total £100K, from 2018 to 2019. Source: Contracts Finder and Find a Tender award notices. For 1 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown.

Where Nerg Limited is registered

Nerg Limited's registered office on a map of the UK

The registered office is in Lincoln (LN5), in the North Kesteven local authority area, East Midlands. Show LN5 9LA on a map.

Other trade companies in LN5

What happens if Nerg Limited files late

Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 October 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Nov 2026 to 30 Nov 2026£150
1 to 3 months late1 Dec 2026 to 31 Jan 2027£375
3 to 6 months late1 Feb 2027 to 30 Apr 2027£750
More than 6 months lateFrom 1 May 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Feb 2027£200
3 months late30 Apr 2027another £200
6 months late31 Jul 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 2028another 10% of any unpaid tax

For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.

Company details

As held on the Companies House register.

Company number
08959309
Status
Active
Company type
Private limited company
Incorporated
26 March 2014 (12 years ago)
Registered office
Willow Tree Farm Water Lane, Bassingham, Lincoln, LN5 9LA
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 January (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 January 2025
Last confirmation statement
26 March 2026
Previous names
Willow Tree Energy Limited (until 7 Apr 2014)

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

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Frequently asked questions

When are Nerg Limited's accounts due?

Nerg Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.

When is Nerg Limited's CT600 due?

The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.

Is Nerg Limited still trading?

Nerg Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.

What does Nerg Limited do?

Nerg Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Nerg Limited?

Nerg Limited was incorporated on 26 March 2014, 12 years ago.

Has Nerg Limited won public sector contracts?

Yes. Nerg Limited has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £100K), most recently from North East Lincolnshire Council.

What is the penalty if Nerg Limited files its accounts late?

Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.

Official records

View Nerg Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.

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