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KSJ Building Contractors Limited

ActiveTotal exemption (full) accountsBuildersChesterfield
Company number
15006896
Incorporated
17 Jul 20233 years trading
Registered office
3 Brooklime Drive, Wingerworth, Chesterfield, S42 6JN
Nature of business
Construction of domestic buildings
Accounts due in
199 days
30 Apr 2027
Net assets
£19K▲
At 31 Jul 2025
Cash at bank
£8,648▲
At 31 Jul 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

KSJ Building Contractors Limited is a 3-year-old private limited company registered in Chesterfield, company number 15006896, one of 140 building contractors in Chesterfield. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.

Key dates

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

Accounts due
30 Apr 2027
in 199 days
For the period to 31 Jul 2026
CT600 due
31 Jul 2027
in 291 days
Period 1 Aug 2025 to 31 Jul 2026
Corporation tax payment
1 May 2027
in 200 days
9 months and 1 day after the period end
Confirmation statement
30 Jul 2027
in 290 days
Last made up to 16 Jul 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 £19K on the year before, to £19K.
  • Current assets of £8,648 against £19K owed within a year: 0.5 times cover.
  • 1 employee on average, down from 2 the year before.
  • Balance sheets on record for 2 years, 2024 to 2025.

Net assets by year

Net assets at each year end, 2024 to 2025£0£10K31 July 2024: net assets £504£504202431 July 2025: net assets £19K£19K2025
Net assets at each year end, 2024 to 2025£0£10K31 July 2024: net assets £504£504202431 July 2025: net assets £19K£19K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jul 2025£19K£8,648£8,648£19K1
31 Jul 2024£504£3,373£3,373£2,8692

Who runs and owns KSJ Building Contractors Limited

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

Officer

NameRoleAppointed
K*** J***DirectorJul 2023

Person with significant control

Individual · since Jul 2023
K*** J***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where KSJ Building Contractors Limited is registered

KSJ Building Contractors Limited's registered office on a map of the UK

The registered office is in Chesterfield (S42), in the North East Derbyshire local authority area, East Midlands. Show S42 6JN on a map.

Other trade companies in S42

What happens if KSJ Building Contractors 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 April 2027.

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

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

HMRC (CT600)FromPenalty
1 day late1 Aug 2027£200
3 months late31 Oct 2027another £200
6 months late31 Jan 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jul 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
15006896
Status
Active
Company type
Private limited company
Incorporated
17 July 2023 (3 years ago)
Registered office
3 Brooklime Drive, Wingerworth, Chesterfield, S42 6JN
Nature of business
Construction of domestic buildings (SIC 41202)
Year end
31 July (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 July 2025
Last confirmation statement
16 July 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.

Similar companies in Chesterfield

Other active building contractors registered in Chesterfield.

All building contractors in Chesterfield · All trades in Chesterfield · Builders across the UK

Frequently asked questions

When are KSJ Building Contractors Limited's accounts due?

KSJ Building Contractors Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.

When is KSJ Building Contractors Limited's CT600 due?

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

Is KSJ Building Contractors Limited still trading?

KSJ Building Contractors 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 KSJ Building Contractors Limited do?

KSJ Building Contractors Limited is registered under Construction of domestic buildings (SIC 41202).

How old is KSJ Building Contractors Limited?

KSJ Building Contractors Limited was incorporated on 17 July 2023, 3 years ago.

Who runs KSJ Building Contractors Limited?

KSJ Building Contractors Limited has 1 active director, the longest-serving appointed in Jul 2023. Their names and service addresses are on the Companies House register.

Who owns KSJ Building Contractors Limited?

One person or company has significant control of KSJ Building Contractors Limited: an individual (owns 75% or more of the shares).

What is the penalty if KSJ Building Contractors 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 KSJ Building Contractors 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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