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  4. Cathodic Protection Engineering Limited

Cathodic Protection Engineering Limited

ActiveUnaudited abridged accountsMachinery repair and installationBirmingham
Company number
08397655
Incorporated
11 Feb 201313 years trading
Registered office
Chapel Green Farm Chapel Lane, Wythall, Birmingham, B47 6JX
Nature of business
Installation of industrial machinery and equipment
Accounts due in
444 days
31 Dec 2027
Net assets
£970K▲
+24.2% on the year before
Cash at bank
£39K▼
At 31 Mar 2026
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

Cathodic Protection Engineering Limited is a 13-year-old private limited company registered in Birmingham, company number 08397655, one of 291 machinery repair and installation companies in Birmingham. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.

Key dates

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

Accounts due
31 Dec 2027
in 444 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 535 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 445 days
9 months and 1 day after the period end
Confirmation statement
25 Feb 2027
in 135 days
Last made up to 11 Feb 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 up £189K (+24.2%) on the year before, to £970K.
  • Net assets rose in 9 of 9 year-on-year comparisons on record.
  • Current assets of £954K against £111K owed within a year: 8.6 times cover.
  • 3 employees on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£500K31 March 2017: net assets £105K£105K201731 March 2018: net assets £140K£140K201831 March 2019: net assets £213K£213K201931 March 2020: net assets £275K£275K202031 March 2021: net assets £369K£369K202131 March 2022: net assets £426K£426K202231 March 2023: net assets £445K£445K202331 March 2024: net assets £700K£700K202431 March 2025: net assets £781K£781K202531 March 2026: net assets £970K£970K2026
Net assets at each year end, 2017 to 2026£0£500K31 March 2017: net assets £105K£105K'1731 March 2018: net assets £140K£140K'1831 March 2019: net assets £213K£213K'1931 March 2020: net assets £275K£275K'2031 March 2021: net assets £369K£369K'2131 March 2022: net assets £426K£426K'2231 March 2023: net assets £445K£445K'2331 March 2024: net assets £700K£700K'2431 March 2025: net assets £781K£781K'2531 March 2026: net assets £970K£970K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£970K£39K£954K£111K3
31 Mar 2025£781K£61K£829K£181K3
31 Mar 2024£700K£264K£686K£149K4
31 Mar 2023£445K£300K£423K£113K3
31 Mar 2022£426K£256K£352K£56K3
31 Mar 2021£369K£248K£352K£83K3
31 Mar 2020£275K£125K£269K£84K3
31 Mar 2019£213K£80K£181K£66K4
31 Mar 2018£140K£43K£134K£55K4
31 Mar 2017£105K£72K£120K£53K3

Where Cathodic Protection Engineering Limited is registered

Cathodic Protection Engineering Limited's registered office on a map of the UK

The registered office is in Birmingham (B47), in the Bromsgrove local authority area, West Midlands. Show B47 6JX on a map.

Other trade companies in B47

What happens if Cathodic Protection Engineering 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 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
08397655
Status
Active
Company type
Private limited company
Incorporated
11 February 2013 (13 years ago)
Registered office
Chapel Green Farm Chapel Lane, Wythall, Birmingham, B47 6JX
Nature of business
Installation of industrial machinery and equipment (SIC 33200)
Year end
31 March (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
31 March 2026
Last confirmation statement
11 February 2026

Filing notes for machinery repair and installation companies

Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.

Similar companies in Birmingham

Other active machinery repair and installation companies registered in Birmingham.

All machinery repair and installation companies in Birmingham · All trades in Birmingham · Machinery repair and installation across the UK

Frequently asked questions

When are Cathodic Protection Engineering Limited's accounts due?

Cathodic Protection Engineering Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.

When is Cathodic Protection Engineering Limited's CT600 due?

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

Is Cathodic Protection Engineering Limited still trading?

Cathodic Protection Engineering 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 Cathodic Protection Engineering Limited do?

Cathodic Protection Engineering Limited is registered under Installation of industrial machinery and equipment (SIC 33200).

How old is Cathodic Protection Engineering Limited?

Cathodic Protection Engineering Limited was incorporated on 11 February 2013, 13 years ago.

What is the penalty if Cathodic Protection Engineering 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 Cathodic Protection Engineering 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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