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  4. A1 Complete Builders Limited

A1 Complete Builders Limited

ActiveTotal exemption (full) accountsBuildersSt Columb
Company number
11101412
Incorporated
7 Dec 20178 years trading
Registered office
Trevissome, Higher Fraddon, St Columb, TR9 6NQ
Nature of business
Construction of domestic buildings
Accounts due in
49 days
30 Nov 2026
Net assets
£95K▲
+186.4% on the year before
Cash at bank
£19K▼
At 30 Nov 2024
Employees
8
Average during the year
From the Companies House register, 1 Oct 2026

A1 Complete Builders Limited is a 8-year-old private limited company registered in St Columb, company number 11101412, one of 6 building contractors in St Columb. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 2026.

Key dates

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

Accounts due
30 Nov 2026
in 49 days
For the period to 28 Feb 2026
CT600 due (first of two)
30 Nov 2026
in 49 days
Period 1 Dec 2024 to 30 Nov 2025
CT600 due (second of two)
28 Feb 2027
in 139 days
Period 1 Dec 2025 to 28 Feb 2026
Corporation tax payment
1 Dec 2026
in 50 days
9 months and 1 day after the period end
Confirmation statement
20 Dec 2026
in 69 days
Last made up to 6 Dec 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 £62K (+186.4%) on the year before, to £95K.
  • Net assets rose in 5 of 6 year-on-year comparisons on record.
  • 8 employees on average, down from 10 the year before.
  • Balance sheets on record for 7 years, 2018 to 2024.

Net assets by year

Net assets at each year end, 2018 to 2024£0£50K31 December 2018: net assets £14K£14K201831 December 2019: net assets -£4,155-£4,155201931 December 2020: net assets -£2,678-£2,678202030 November 2021: net assets £20K£20K202130 November 2022: net assets £26K£26K202230 November 2023: net assets £33K£33K202330 November 2024: net assets £95K£95K2024
Net assets at each year end, 2018 to 2024£0£50K31 December 2018: net assets £14K£14K'1831 December 2019: net assets -£4,155-£4,155'1931 December 2020: net assets -£2,678-£2,678'2030 November 2021: net assets £20K£20K'2130 November 2022: net assets £26K£26K'2230 November 2023: net assets £33K£33K'2330 November 2024: net assets £95K£95K'24
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Nov 2024£95K£19K£109K8
30 Nov 2023£33K£20K£131K10
30 Nov 2022£26K£67K£112K9
30 Nov 2021£20K£74K£114K7
31 Dec 2020-£2,678£93K£98K4
31 Dec 2019-£4,155£12K£41K£61K4
31 Dec 2018£14K£45K£48K£46K0

Who runs and owns A1 Complete Builders Limited

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

Officer

NameRoleAppointed
K*** P***DirectorDec 2017

Person with significant control

Individual · since Dec 2017
K*** P***
Owns 75% or more of the shares

Where A1 Complete Builders Limited is registered

A1 Complete Builders Limited's registered office on a map of the UK

The registered office is in St Columb (TR9), in the Cornwall local authority area, South West. Show TR9 6NQ on a map.

Other trade companies in TR9

What happens if A1 Complete Builders 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 November 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2026 to 31 Dec 2026£150
1 to 3 months late1 Jan 2027 to 28 Feb 2027£375
3 to 6 months late1 Mar 2027 to 31 May 2027£750
More than 6 months lateFrom 1 Jun 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Mar 2027£200
3 months late28 May 2027another £200
6 months late28 Aug 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 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
11101412
Status
Active
Company type
Private limited company
Incorporated
7 December 2017 (8 years ago)
Registered office
Trevissome, Higher Fraddon, St Columb, TR9 6NQ
Nature of business
Construction of domestic buildings (SIC 41202)
Year end
30 November (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 November 2024
Last confirmation statement
6 December 2025

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.

Similar companies in St Columb

Other active building contractors registered in St Columb.

All building contractors in St Columb · All trades in St Columb · Builders across the UK

Frequently asked questions

When are A1 Complete Builders Limited's accounts due?

A1 Complete Builders Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.

When is A1 Complete Builders Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is A1 Complete Builders Limited still trading?

A1 Complete Builders 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 A1 Complete Builders Limited do?

A1 Complete Builders Limited is registered under Construction of domestic buildings (SIC 41202).

How old is A1 Complete Builders Limited?

A1 Complete Builders Limited was incorporated on 7 December 2017, 8 years ago.

Who runs A1 Complete Builders Limited?

A1 Complete Builders Limited has 1 active director, the longest-serving appointed in Dec 2017. Their names and service addresses are on the Companies House register.

Who owns A1 Complete Builders Limited?

One person or company has significant control of A1 Complete Builders Limited: an individual (owns 75% or more of the shares).

What is the penalty if A1 Complete Builders 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 A1 Complete Builders 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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