1. Companies
  2. Property developers
  3. Stevenage
  4. KSJ Construction Limited

KSJ Construction Limited

ActiveMicro-entity accountsProperty developersStevenage
Company number
13190274
Incorporated
9 Feb 20215 years trading
Registered office
171 Cleveland Way, Stevenage, Hertfordshire, SG1 6BX
Nature of business
Development of building projects
Accounts due in
414 days
30 Nov 2027
Net assets
£30K▲
+49.7% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

KSJ Construction Limited is a 5-year-old private limited company registered in Stevenage, company number 13190274, one of 99 property development companies in Stevenage. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.

Key dates

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

Accounts due
30 Nov 2027
in 414 days
For the period to 28 Feb 2027
CT600 due
28 Feb 2028
in 504 days
Period 1 Mar 2026 to 28 Feb 2027
Corporation tax payment
1 Dec 2027
in 415 days
9 months and 1 day after the period end
Confirmation statement
13 May 2027
in 213 days
Last made up to 29 Apr 2026

Is this your company?

File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for KSJ Construction Limited

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

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 £9,950 (+49.7%) on the year before, to £30K.
  • Net assets rose in 4 of 4 year-on-year comparisons on record.
  • Current assets of £36K against £12K owed within a year: 2.9 times cover.
  • 1 employee on average, up from 0 the year before.
  • Balance sheets on record for 5 years, 2022 to 2026.

Net assets by year

Net assets at each year end, 2022 to 2026£0£10K£20K28 February 2022: net assets £4,416£4,416202228 February 2023: net assets £4,798£4,798202328 February 2024: net assets £7,898£7,898202428 February 2025: net assets £20K£20K202528 February 2026: net assets £30K£30K2026
Net assets at each year end, 2022 to 2026£0£10K£20K28 February 2022: net assets £4,416£4,416202228 February 2023: net assets £4,798£4,798202328 February 2024: net assets £7,898£7,898202428 February 2025: net assets £20K£20K202528 February 2026: net assets £30K£30K2026
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Feb 2026£30K£36K£12K1
28 Feb 2025£20K£25K£13K0
28 Feb 2024£7,898£25K£18K1
28 Feb 2023£4,798£23K£19K1
28 Feb 2022£4,416£19K£16K2

Who runs and owns KSJ Construction Limited

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

Officer

NameRoleAppointed
K*** O***DirectorFeb 2021

Person with significant control

Individual · since Feb 2021
K*** O***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where KSJ Construction Limited is registered

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

The registered office is in Stevenage (SG1), in the North Hertfordshire local authority area, East of England. Show SG1 6BX on a map.

Other trade companies in SG1

Also registered at this address

9 other companies use the same registered office as KSJ Construction Limited.

What happens if KSJ 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 30 November 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2027 to 31 Dec 2027£150
1 to 3 months late1 Jan 2028 to 29 Feb 2028£375
3 to 6 months late1 Mar 2028 to 31 May 2028£750
More than 6 months lateFrom 1 Jun 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late29 Feb 2028£200
3 months late28 May 2028another £200
6 months late28 Aug 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 2029another 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
13190274
Status
Active
Company type
Private limited company
Incorporated
9 February 2021 (5 years ago)
Registered office
171 Cleveland Way, Stevenage, Hertfordshire, SG1 6BX
Nature of business
Development of building projects (SIC 41100)
Year end
28 February (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
28 February 2026
Last confirmation statement
29 April 2026

Filing notes for property development companies

Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.

Similar companies in Stevenage

Other active property development companies registered in Stevenage.

All property development companies in Stevenage · All trades in Stevenage · Property developers across the UK

Frequently asked questions

When are KSJ Construction Limited's accounts due?

KSJ Construction Limited's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.

When is KSJ Construction Limited's CT600 due?

The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.

Is KSJ Construction Limited still trading?

KSJ 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 KSJ Construction Limited do?

KSJ Construction Limited is registered under Development of building projects (SIC 41100).

How old is KSJ Construction Limited?

KSJ Construction Limited was incorporated on 9 February 2021, 5 years ago.

Who runs KSJ Construction Limited?

KSJ Construction Limited has 1 active director, the longest-serving appointed in Feb 2021. Their names and service addresses are on the Companies House register.

Who owns KSJ Construction Limited?

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

What is the penalty if KSJ 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 KSJ 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.

File accounts + CT600File now£49Let's talk