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Certeco Renewables Ltd

ActiveTotal exemption (full) accountsPlumbers and heating engineersStevenage
Company number
11153989
Incorporated
17 Jan 20188 years trading
Registered office
Unit Q Gunnels Wood Park, Gunnels Wood Road, Stevenage, SG1 2BH
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
383 days
31 Oct 2027
Net assets
-£151K▼
-5.1% on the year before
Cash at bank
£7,925▲
At 31 Jan 2026
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Certeco Renewables Ltd is a 8-year-old private limited company registered in Stevenage, company number 11153989, one of 95 plumbing and heating companies in Stevenage. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.

Key dates

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

Accounts due
31 Oct 2027
in 383 days
For the period to 31 Jan 2027
CT600 due
31 Jan 2028
in 475 days
Period 1 Feb 2026 to 31 Jan 2027
Corporation tax payment
1 Nov 2027
in 384 days
9 months and 1 day after the period end
Confirmation statement
30 Jan 2027
in 109 days
Last made up to 16 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 £7,302 (-5.1%) on the year before, to -£151K.
  • Net assets rose in 0 of 7 year-on-year comparisons on record.
  • Current assets of £8,108 against £159K owed within a year: 0.1 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 8 years, 2019 to 2026.

Net assets by year

Net assets at each year end, 2019 to 2026-£100K£031 January 2019: net assets -£35K-£35K201931 January 2020: net assets -£116K-£116K202031 January 2021: net assets -£123K-£123K202131 January 2022: net assets -£133K-£133K202231 January 2023: net assets -£136K-£136K202331 January 2024: net assets -£140K-£140K202431 January 2025: net assets -£144K-£144K202531 January 2026: net assets -£151K-£151K2026
Net assets at each year end, 2019 to 2026-£100K£031 January 2019: net assets -£35K-£35K'1931 January 2020: net assets -£116K-£116K'2031 January 2021: net assets -£123K-£123K'2131 January 2022: net assets -£133K-£133K'2231 January 2023: net assets -£136K-£136K'2331 January 2024: net assets -£140K-£140K'2431 January 2025: net assets -£144K-£144K'2531 January 2026: net assets -£151K-£151K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jan 2026-£151K£7,925£8,108£159K1
31 Jan 2025-£144K£2,209£9,865£160K1
31 Jan 2024-£140K£12K£22K£170K1
31 Jan 2023-£136K£26K£31K£175K1
31 Jan 2022-£133K£17K£38K£180K2
31 Jan 2021-£123K£46K£62K£196K2
31 Jan 2020-£116K£78K£208K2
31 Jan 2019-£35K£149K£195K

Where Certeco Renewables Ltd is registered

Certeco Renewables Ltd's registered office on a map of the UK

The registered office is in Stevenage (SG1), in the Stevenage local authority area, East of England. Show SG1 2BH on a map.

Other trade companies in SG1

What happens if Certeco Renewables 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 October 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Nov 2027 to 30 Nov 2027£150
1 to 3 months late1 Dec 2027 to 31 Jan 2028£375
3 to 6 months late1 Feb 2028 to 30 Apr 2028£750
More than 6 months lateFrom 1 May 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Feb 2028£200
3 months late30 Apr 2028another £200
6 months late31 Jul 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 2029another 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
11153989
Status
Active
Company type
Private limited company
Incorporated
17 January 2018 (8 years ago)
Registered office
Unit Q Gunnels Wood Park, Gunnels Wood Road, Stevenage, SG1 2BH
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 2026
Last confirmation statement
16 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 Stevenage

Other active plumbing and heating companies registered in Stevenage.

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

Frequently asked questions

When are Certeco Renewables Ltd's accounts due?

Certeco Renewables Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.

When is Certeco Renewables Ltd's CT600 due?

The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.

Is Certeco Renewables Ltd still trading?

Certeco Renewables 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 Certeco Renewables Ltd do?

Certeco Renewables Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Certeco Renewables Ltd?

Certeco Renewables Ltd was incorporated on 17 January 2018, 8 years ago.

What is the penalty if Certeco Renewables 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 Certeco Renewables 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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