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  4. CDM Principal Designer Ltd

CDM Principal Designer Ltd

ActiveUnaudited abridged accountsCivil engineeringLeeds
Company number
10803886
Incorporated
5 Jun 20179 years trading
Registered office
Floreal Linton Hills Road, Linton, Leeds, West Yorkshire, LS22 4HQ
Nature of business
Construction of utility projects for electricity and telecommunications
Accounts due in
169 days
31 Mar 2027
Net assets
£243K▼
-4.6% on the year before
Cash at bank
£235K▼
At 30 Jun 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

CDM Principal Designer Ltd is a 9-year-old private limited company registered in Leeds, company number 10803886, one of 163 civil engineering contractors in Leeds. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.

Key dates

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

Accounts due
31 Mar 2027
in 169 days
For the period to 30 Jun 2026
CT600 due
30 Jun 2027
in 260 days
Period 1 Jul 2025 to 30 Jun 2026
Corporation tax payment
1 Apr 2027
in 170 days
9 months and 1 day after the period end
Confirmation statement
18 Jun 2027
in 248 days
Last made up to 4 Jun 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 £12K (-4.6%) on the year before, to £243K.
  • Net assets rose in 5 of 7 year-on-year comparisons on record.
  • Current assets of £267K against £24K owed within a year: more than 10 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 8 years, 2018 to 2025.

Net assets by year

Net assets at each year end, 2018 to 2025£0£100K£200K30 June 2018: net assets £83K£83K201830 June 2019: net assets £152K£152K201930 June 2020: net assets £170K£170K202030 June 2021: net assets £222K£222K202130 June 2022: net assets £242K£242K202230 June 2023: net assets £230K£230K202330 June 2024: net assets £255K£255K202430 June 2025: net assets £243K£243K2025
Net assets at each year end, 2018 to 2025£0£100K£200K30 June 2018: net assets £83K£83K'1830 June 2019: net assets £152K£152K'1930 June 2020: net assets £170K£170K'2030 June 2021: net assets £222K£222K'2130 June 2022: net assets £242K£242K'2230 June 2023: net assets £230K£230K'2330 June 2024: net assets £255K£255K'2430 June 2025: net assets £243K£243K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Jun 2025£243K£235K£267K£24K1
30 Jun 2024£255K£237K£306K£50K1
30 Jun 2023£230K£235K£267K£37K1
30 Jun 2022£242K£257K£274K£32K1
30 Jun 2021£222K£198K£271K£48K2
30 Jun 2020£170K£189K£18K0
30 Jun 2019£152K£179K£27K0
30 Jun 2018£83K£166K£83K

Who runs and owns CDM Principal Designer Ltd

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

Officers (3)

NameRoleAppointed
M*** K***DirectorJun 2017
A*** K***DirectorJan 2021
Z*** K***DirectorJan 2021

Person with significant control

Individual · since Jun 2017
M*** K***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where CDM Principal Designer Ltd is registered

CDM Principal Designer Ltd's registered office on a map of the UK

The registered office is in Leeds (LS22), in the Leeds local authority area, Yorkshire and The Humber. Show LS22 4HQ on a map.

Other trade companies in LS22

Also registered at this address

1 other company uses the same registered office as CDM Principal Designer Ltd.

What happens if CDM Principal Designer 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 March 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Apr 2027 to 30 Apr 2027£150
1 to 3 months late1 May 2027 to 30 Jun 2027£375
3 to 6 months late1 Jul 2027 to 30 Sep 2027£750
More than 6 months lateFrom 1 Oct 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jul 2027£200
3 months late30 Sep 2027another £200
6 months late30 Dec 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 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
10803886
Status
Active
Company type
Private limited company
Incorporated
5 June 2017 (9 years ago)
Registered office
Floreal Linton Hills Road, Linton, Leeds, West Yorkshire, LS22 4HQ
Nature of business
Construction of utility projects for electricity and telecommunications (SIC 42220)
Year end
30 June (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
30 June 2025
Last confirmation statement
4 June 2026

Filing notes for civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Similar companies in Leeds

Other active civil engineering contractors registered in Leeds.

All civil engineering contractors in Leeds · All trades in Leeds · Civil engineering across the UK

Frequently asked questions

When are CDM Principal Designer Ltd's accounts due?

CDM Principal Designer Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.

When is CDM Principal Designer Ltd's CT600 due?

The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.

Is CDM Principal Designer Ltd still trading?

CDM Principal Designer 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 CDM Principal Designer Ltd do?

CDM Principal Designer Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).

How old is CDM Principal Designer Ltd?

CDM Principal Designer Ltd was incorporated on 5 June 2017, 9 years ago.

Who runs CDM Principal Designer Ltd?

CDM Principal Designer Ltd has 3 active directors, the longest-serving appointed in Jun 2017. Their names and service addresses are on the Companies House register.

Who owns CDM Principal Designer Ltd?

One person or company has significant control of CDM Principal Designer Ltd: an individual (owns 75% or more of the shares).

What is the penalty if CDM Principal Designer 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 CDM Principal Designer 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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