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R1 Gas Limited

ActiveUnaudited abridged accountsPlumbers and heating engineersHarlow
Company number
12415178
Incorporated
21 Jan 20206 years trading
Registered office
9 ST. Nicholas Green, Newhall, Harlow, Essex, CM17 9LJ
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
18 days
31 Oct 2026
Net assets
£1,338▲
+109.7% on the year before
Cash at bank
£27K▲
At 31 Jan 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

R1 Gas Limited is a 6-year-old private limited company registered in Harlow, company number 12415178, one of 97 plumbing and heating companies in Harlow. 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.

Key dates

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

Accounts due
31 Oct 2026
in 18 days
For the period to 31 Jan 2026
CT600 due
31 Jan 2027
in 110 days
Period 1 Feb 2025 to 31 Jan 2026
Corporation tax payment
1 Nov 2026
in 19 days
9 months and 1 day after the period end
Confirmation statement
7 Nov 2026
in 25 days
Last made up to 24 Oct 2025

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Finances

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 up £15K (+109.7%) on the year before, to £1,338.
  • Net assets rose in 2 of 4 year-on-year comparisons on record.
  • Current assets of £37K against £36K owed within a year: 1.0 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 5 years, 2021 to 2025.

Net assets by year

Net assets at each year end, 2021 to 2025-£10K£031 January 2021: net assets £2,100£2,100202131 January 2022: net assets £1,257£1,257202231 January 2023: net assets £4,720£4,720202331 January 2024: net assets -£14K-£14K202431 January 2025: net assets £1,338£1,3382025
Net assets at each year end, 2021 to 2025-£10K£031 January 2021: net assets £2,100£2,100202131 January 2022: net assets £1,257£1,257202231 January 2023: net assets £4,720£4,720202331 January 2024: net assets -£14K-£14K202431 January 2025: net assets £1,338£1,3382025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jan 2025£1,338£27K£37K£36K1
31 Jan 2024-£14K£2,803£12K£29K1
31 Jan 2023£4,720£11K£22K£22K1
31 Jan 2022£1,257£5,734£13K£20K1
31 Jan 2021£2,100£22K£34K£32K1

Where R1 Gas Limited is registered

R1 Gas Limited's registered office on a map of the UK

The registered office is in Harlow (CM17), in the Harlow local authority area, East of England. Show CM17 9LJ on a map.

Other trade companies in CM17

What happens if R1 Gas 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
12415178
Status
Active
Company type
Private limited company
Incorporated
21 January 2020 (6 years ago)
Registered office
9 ST. Nicholas Green, Newhall, Harlow, Essex, CM17 9LJ
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 January (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
31 January 2025
Last confirmation statement
24 October 2025

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.

Similar companies in Harlow

Other active plumbing and heating companies registered in Harlow.

All plumbing and heating companies in Harlow · All trades in Harlow · Plumbers and heating engineers across the UK

Frequently asked questions

When are R1 Gas Limited's accounts due?

R1 Gas Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.

When is R1 Gas 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 R1 Gas Limited still trading?

R1 Gas 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 R1 Gas Limited do?

R1 Gas Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is R1 Gas Limited?

R1 Gas Limited was incorporated on 21 January 2020, 6 years ago.

What is the penalty if R1 Gas 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 R1 Gas 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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