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  4. 7One7 Engineering Ltd

7One7 Engineering Ltd

ActiveTotal exemption (full) accountsPlumbers and heating engineersLeominster
Company number
11763012
Incorporated
11 Jan 20197 years trading
Registered office
1-3 Mill Street, Leominster, HR6 8EB
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
80 days
31 Dec 2026
Net assets
£678K▼
-9.2% on the year before
Cash at bank
£73K▲
At 31 Mar 2025
Employees
18
Average during the year
From the Companies House register, 1 Oct 2026

7One7 Engineering Ltd is a 7-year-old private limited company registered in Leominster, company number 11763012, one of 11 plumbing and heating companies in Leominster. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
24 Jan 2027
in 104 days
Last made up to 10 Jan 2026

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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 down £69K (-9.2%) on the year before, to £678K.
  • Net assets rose in 5 of 6 year-on-year comparisons on record.
  • Current assets of £393K against £303K owed within a year: 1.3 times cover.
  • 18 employees on average, up from 14 the year before.
  • Balance sheets on record for 7 years, 2019 to 2025.

Net assets by year

Net assets at each year end, 2019 to 2025£0£250K£500K31 March 2019: net assets £4,746£4,746201931 March 2020: net assets £79K£79K202031 March 2021: net assets £194K£194K202131 March 2022: net assets £350K£350K202231 March 2023: net assets £538K£538K202331 March 2024: net assets £747K£747K202431 March 2025: net assets £678K£678K2025
Net assets at each year end, 2019 to 2025£0£250K£500K31 March 2019: net assets £4,746£4,746'1931 March 2020: net assets £79K£79K'2031 March 2021: net assets £194K£194K'2131 March 2022: net assets £350K£350K'2231 March 2023: net assets £538K£538K'2331 March 2024: net assets £747K£747K'2431 March 2025: net assets £678K£678K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£678K£73K£393K£303K18
31 Mar 2024£747K£52K£831K£399K14
31 Mar 2023£538K£73K£616K£291K12
31 Mar 2022£350K£229K£394K£256K12
31 Mar 2021£194K£165K£278K£187K6
31 Mar 2020£79K£60K£174K£111K6
31 Mar 2019£4,746£1,112£32K£32K2

Where 7One7 Engineering Ltd is registered

7One7 Engineering Ltd's registered office on a map of the UK

The registered office is in Leominster (HR6), in the Herefordshire, County of local authority area, West Midlands. Show HR6 8EB on a map.

Other trade companies in HR6

What happens if 7One7 Engineering Ltd 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 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
11763012
Status
Active
Company type
Private limited company
Incorporated
11 January 2019 (7 years ago)
Registered office
1-3 Mill Street, Leominster, HR6 8EB
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
10 January 2026

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 Leominster

Other active plumbing and heating companies registered in Leominster.

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Frequently asked questions

When are 7One7 Engineering Ltd's accounts due?

7One7 Engineering Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is 7One7 Engineering Ltd's CT600 due?

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

Is 7One7 Engineering Ltd still trading?

7One7 Engineering Ltd 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 7One7 Engineering Ltd do?

7One7 Engineering Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is 7One7 Engineering Ltd?

7One7 Engineering Ltd was incorporated on 11 January 2019, 7 years ago.

What is the penalty if 7One7 Engineering Ltd 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 7One7 Engineering Ltd 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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