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  4. DC21 Engineering Limited

DC21 Engineering Limited

ActiveTotal exemption (full) accountsMachinery repair and installationHuddersfield
Company number
12317728
Incorporated
15 Nov 20196 years trading
Registered office
Dene House North Road, Kirkburton, Huddersfield, West Yorkshire, HD8 0RW
Nature of business
Installation of industrial machinery and equipment; Construction of utility projects for electricity and telecommunications; Engineering design activities for industrial process and production; Other engineering activities
Accounts due in
353 days
30 Sep 2027
Net assets
£278K▲
+27.8% on the year before
Cash at bank
£127K▲
At 31 Dec 2025
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

DC21 Engineering Limited is a 6-year-old private limited company registered in Huddersfield, company number 12317728, one of 64 machinery repair and installation companies in Huddersfield. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.

Key dates

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

Accounts due
30 Sep 2027
in 353 days
For the period to 31 Dec 2026
CT600 due
31 Dec 2027
in 445 days
Period 1 Jan 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 354 days
9 months and 1 day after the period end
Confirmation statement
28 Nov 2026
in 47 days
Last made up to 14 Nov 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 £61K (+27.8%) on the year before, to £278K.
  • Net assets rose in 4 of 5 year-on-year comparisons on record.
  • Current assets of £270K against £58K owed within a year: 4.6 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 6 years, 2020 to 2025.

Net assets by year

Net assets at each year end, 2020 to 2025£0£100K£200K30 November 2020: net assets -£11K-£11K202031 December 2021: net assets £135K£135K202131 December 2022: net assets £279K£279K202231 December 2023: net assets £205K£205K202331 December 2024: net assets £217K£217K202431 December 2025: net assets £278K£278K2025
Net assets at each year end, 2020 to 2025£0£100K£200K30 November 2020: net assets -£11K-£11K202031 December 2021: net assets £135K£135K202131 December 2022: net assets £279K£279K202231 December 2023: net assets £205K£205K202331 December 2024: net assets £217K£217K202431 December 2025: net assets £278K£278K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£278K£127K£270K£58K0
31 Dec 2024£217K£60K£198K£54K0
31 Dec 2023£205K£114K£196K£74K3
31 Dec 2022£279K£192K£286K£106K3
31 Dec 2021£135K£47K£173K£147K0
30 Nov 2020-£11K£35K£76K£87K0

Who runs and owns DC21 Engineering Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officers (3)

NameRoleAppointed
M*** A***DirectorNov 2019
K*** D***DirectorNov 2019
M*** T***DirectorNov 2019

People with significant control (2)

Individual · since Nov 2019
K*** D***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Individual · since Nov 2019
M*** A***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes

Where DC21 Engineering Limited is registered

DC21 Engineering Limited's registered office on a map of the UK

The registered office is in Huddersfield (HD8), in the Kirklees local authority area, Yorkshire and The Humber. Show HD8 0RW on a map.

Other trade companies in HD8

Also registered at this address

2 other companies use the same registered office as DC21 Engineering Limited.

What happens if DC21 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 30 September 2027.

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

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

HMRC (CT600)FromPenalty
1 day late1 Jan 2028£200
3 months late31 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 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
12317728
Status
Active
Company type
Private limited company
Incorporated
15 November 2019 (6 years ago)
Registered office
Dene House North Road, Kirkburton, Huddersfield, West Yorkshire, HD8 0RW
Nature of business
Installation of industrial machinery and equipment (SIC 33200)
Construction of utility projects for electricity and telecommunications (SIC 42220)
Engineering design activities for industrial process and production (SIC 71121)
Other engineering activities (SIC 71129)
Year end
31 December (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 December 2025
Last confirmation statement
14 November 2025

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.

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Frequently asked questions

When are DC21 Engineering Limited's accounts due?

DC21 Engineering Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.

When is DC21 Engineering Limited's CT600 due?

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

Is DC21 Engineering Limited still trading?

DC21 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 DC21 Engineering Limited do?

DC21 Engineering Limited is registered under Installation of industrial machinery and equipment (SIC 33200); Construction of utility projects for electricity and telecommunications (SIC 42220); Engineering design activities for industrial process and production (SIC 71121); Other engineering activities (SIC 71129).

How old is DC21 Engineering Limited?

DC21 Engineering Limited was incorporated on 15 November 2019, 6 years ago.

Who runs DC21 Engineering Limited?

DC21 Engineering Limited has 3 active directors, the longest-serving appointed in Nov 2019. Their names and service addresses are on the Companies House register.

Who owns DC21 Engineering Limited?

2 people or companies have significant control of DC21 Engineering Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).

What is the penalty if DC21 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 DC21 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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