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Dimmock Construction Limited

ActiveTotal exemption (full) accountsBuildersLuton
Company number
03333812
Incorporated
14 Mar 199729 years trading
Registered office
15 Home Farm, Luton Hoo Estate, Luton, Bedfordshire, LU1 3TD
Nature of business
Construction of domestic buildings
Accounts due in
72 days
23 Dec 2026
Net assets
£770▲
+22.6% on the year before
Cash at bank
£0▼
At 30 Mar 2025
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Dimmock Construction Limited is a 29-year-old private limited company registered in Luton, company number 03333812, one of 708 building contractors in Luton. Its next accounts are due at Companies House on 23 December 2026, and the CT600 for the period to 23 March 2026 is due at HMRC on 23 March 2027.

Key dates

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

Accounts due
23 Dec 2026
in 72 days
For the period to 23 Mar 2026
CT600 due
23 Mar 2027
in 162 days
Period 31 Mar 2025 to 23 Mar 2026
Corporation tax payment
24 Dec 2026
in 73 days
9 months and 1 day after the period end
Confirmation statement
13 Jun 2027
in 244 days
Last made up to 30 May 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 £142 (+22.6%) on the year before, to £770.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £328K against £359K owed within a year: 0.9 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 10 years, 2015 to 2025.

Net assets by year

Net assets at each year end, 2015 to 2025£0£2,000£4,00031 October 2015: net assets £1,010£1,010201530 October 2016: net assets £870£870201631 March 2018: net assets £5,165£5,165201830 March 2019: net assets £5,899£5,899201930 March 2020: net assets £5,847£5,847202030 March 2021: net assets £5,083£5,083202130 March 2022: net assets £4,495£4,495202230 March 2023: net assets £4,580£4,580202330 March 2024: net assets £628£628202430 March 2025: net assets £770£7702025
Net assets at each year end, 2015 to 2025£0£2,000£4,00031 October 2015: net assets £1,010£1,010'1530 October 2016: net assets £870£870'1631 March 2018: net assets £5,165£5,165'1830 March 2019: net assets £5,899£5,899'1930 March 2020: net assets £5,847£5,847'2030 March 2021: net assets £5,083£5,083'2130 March 2022: net assets £4,495£4,495'2230 March 2023: net assets £4,580£4,580'2330 March 2024: net assets £628£628'2430 March 2025: net assets £770£770'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Mar 2025£770£0£328K£359K0
30 Mar 2024£628£12K£411K£413K4
30 Mar 2023£4,580£9,181£339K£327K3
30 Mar 2022£4,495£473K£453K4
30 Mar 2021£5,083£0£442K£401K4
30 Mar 2020£5,847£15K£375K5
30 Mar 2019£5,899£348K£347K
31 Mar 2018£5,165£341K£338K
30 Oct 2016£870£350K£352K
31 Oct 2015£1,010£302K£307K

Where Dimmock Construction Limited is registered

Dimmock Construction Limited's registered office on a map of the UK

The registered office is in Luton (LU1), in the Central Bedfordshire local authority area, East of England. Show LU1 3TD on a map.

Other trade companies in LU1

Also registered at this address

19 other companies use the same registered office as Dimmock Construction Limited.

What happens if Dimmock Construction 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 23 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late24 Dec 2026 to 23 Jan 2027£150
1 to 3 months late24 Jan 2027 to 23 Mar 2027£375
3 to 6 months late24 Mar 2027 to 23 Jun 2027£750
More than 6 months lateFrom 24 Jun 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late24 Mar 2027£200
3 months late23 Jun 2027another £200
6 months late23 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late23 Mar 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
03333812
Status
Active
Company type
Private limited company
Incorporated
14 March 1997 (29 years ago)
Registered office
15 Home Farm, Luton Hoo Estate, Luton, Bedfordshire, LU1 3TD
Nature of business
Construction of domestic buildings (SIC 41202)
Year end
23 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 March 2025
Last confirmation statement
30 May 2026
Charges (mortgages)
0 outstanding of 1 registered
Previous names
Hampson Construction Limited (until 11 Nov 2010)

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 Dimmock Construction Limited's accounts due?

Dimmock Construction Limited's next accounts are due at Companies House by 23 December 2026 (in 72 days), covering the period to 23 March 2026.

When is Dimmock Construction Limited's CT600 due?

The CT600 for the period to 23 March 2026 is due at HMRC by 23 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 24 December 2026.

Is Dimmock Construction Limited still trading?

Dimmock Construction 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 Dimmock Construction Limited do?

Dimmock Construction Limited is registered under Construction of domestic buildings (SIC 41202).

How old is Dimmock Construction Limited?

Dimmock Construction Limited was incorporated on 14 March 1997, 29 years ago.

What is the penalty if Dimmock Construction 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 Dimmock Construction 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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