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CDM Builders Ltd

ActiveMicro-entity accountsBuildersDunstable
Company number
10328741
Incorporated
15 Aug 201610 years trading
Registered office
Springbank Bottom Drive, Eaton Bray, Dunstable, LU6 2JS
Nature of business
Construction of domestic buildings
Accounts due in
230 days
31 May 2027
Net assets
£175K▼
-2.7% on the year before
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

CDM Builders Ltd is a 10-year-old private limited company registered in Dunstable, company number 10328741, one of 213 building contractors in Dunstable. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.

Key dates

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

Accounts due
31 May 2027
in 230 days
For the period to 31 Aug 2026
CT600 due
31 Aug 2027
in 322 days
Period 1 Sep 2025 to 31 Aug 2026
Corporation tax payment
1 Jun 2027
in 231 days
9 months and 1 day after the period end
Confirmation statement
12 Sep 2027
in 334 days
Last made up to 29 Aug 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 £4,939 (-2.7%) on the year before, to £175K.
  • Net assets rose in 3 of 5 year-on-year comparisons on record.
  • Current assets of £139K against £68K owed within a year: 2.1 times cover.
  • 2 employees on average, up from 0 the year before.
  • Balance sheets on record for 7 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2020 to 2025£0£100K31 August 2020: net assets £104K£104K202031 August 2021: net assets £152K£152K202131 August 2022: net assets £174K£174K202231 August 2023: net assets £191K£191K202331 August 2024: net assets £180K£180K202431 August 2025: net assets £175K£175K2025
Net assets at each year end, 2020 to 2025£0£100K31 August 2020: net assets £104K£104K202031 August 2021: net assets £152K£152K202131 August 2022: net assets £174K£174K202231 August 2023: net assets £191K£191K202331 August 2024: net assets £180K£180K202431 August 2025: net assets £175K£175K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Aug 2025£175K£139K£68K2
31 Aug 2024£180K£63K£94K£15K0
31 Aug 2023£191K£60K£96K£30K0
31 Aug 2022£174K£179K£193K£30K2
31 Aug 2021£152K£148K£175K£33K3
31 Aug 2020£104K£108K£128K£32K2
31 Aug 2017£75K£113K£48K

Where CDM Builders Ltd is registered

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

The registered office is in Dunstable (LU6), in the Central Bedfordshire local authority area, East of England. Show LU6 2JS on a map.

Other trade companies in LU6

What happens if CDM Builders 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 May 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jun 2027 to 30 Jun 2027£150
1 to 3 months late1 Jul 2027 to 31 Aug 2027£375
3 to 6 months late1 Sep 2027 to 30 Nov 2027£750
More than 6 months lateFrom 1 Dec 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Sep 2027£200
3 months late30 Nov 2027another £200
6 months late29 Feb 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 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
10328741
Status
Active
Company type
Private limited company
Incorporated
15 August 2016 (10 years ago)
Registered office
Springbank Bottom Drive, Eaton Bray, Dunstable, LU6 2JS
Nature of business
Construction of domestic buildings (SIC 41202)
Year end
31 August (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 August 2025
Last confirmation statement
29 August 2026

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

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Frequently asked questions

When are CDM Builders Ltd's accounts due?

CDM Builders Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.

When is CDM Builders Ltd's CT600 due?

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

Is CDM Builders Ltd still trading?

CDM Builders 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 Builders Ltd do?

CDM Builders Ltd is registered under Construction of domestic buildings (SIC 41202).

How old is CDM Builders Ltd?

CDM Builders Ltd was incorporated on 15 August 2016, 10 years ago.

What is the penalty if CDM Builders 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 Builders 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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