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Yb1 Construction Limited

ActiveTotal exemption (full) accountsProperty developersLondon
Company number
11245926
Incorporated
9 Mar 20188 years trading
Registered office
Apex House 2ND Floor, Grand Arcade, London, N12 0EH
Nature of business
Development of building projects; Construction of commercial buildings; Construction of domestic buildings; Other building completion and finishing
Accounts due in
139 days
28 Feb 2027
Net assets
£1.1M▲
+6.3% on the year before
Cash at bank
£1.1M▲
At 31 May 2025
Employees
5
Average during the year
Checked with Companies House 12 Oct 2026

Yb1 Construction Limited is a 8-year-old private limited company registered in London, company number 11245926, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.

Key dates

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

Accounts due
28 Feb 2027
in 139 days
For the period to 31 May 2026
CT600 due
31 May 2027
in 231 days
Period 1 Jun 2025 to 31 May 2026
Corporation tax payment
1 Mar 2027
in 140 days
9 months and 1 day after the period end
Confirmation statement
2 Oct 2026
Overdue by 10 days
Last made up to 18 Sep 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 £63K (+6.3%) on the year before, to £1.1M.
  • Net assets rose in 6 of 6 year-on-year comparisons on record.
  • Current assets of £1.2M against £234K owed within a year: 5.3 times cover.
  • 5 employees on average, up from 4 the year before.
  • Balance sheets on record for 7 years, 2019 to 2025.

Net assets by year

Net assets at each year end, 2019 to 2025£0£500K£1M31 March 2019: net assets £10K£10K201931 March 2020: net assets £28K£28K202031 March 2021: net assets £85K£85K202131 March 2022: net assets £407K£407K202231 March 2023: net assets £795K£795K202331 May 2024: net assets £998K£998K202431 May 2025: net assets £1.1M£1.1M2025
Net assets at each year end, 2019 to 2025£0£500K£1M31 March 2019: net assets £10K£10K'1931 March 2020: net assets £28K£28K'2031 March 2021: net assets £85K£85K'2131 March 2022: net assets £407K£407K'2231 March 2023: net assets £795K£795K'2331 May 2024: net assets £998K£998K'2431 May 2025: net assets £1.1M£1.1M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 May 2025£1.1M£1.1M£1.2M£234K5
31 May 2024£998K£1M£1.1M£151K4
31 Mar 2023£795K£744K£848K£140K6
31 Mar 2022£407K£555K£584K£226K5
31 Mar 2021£85K£61K£178K£94K2
31 Mar 2020£28K£32K£73K£46K1
31 Mar 2019£10K£43K£47K£39K

Where Yb1 Construction Limited is registered

Yb1 Construction Limited's registered office on a map of the UK

The registered office is in London (N12), in the Barnet local authority area, London. Show N12 0EH on a map.

Other trade companies in N12

Shared registered office

27 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Yb1 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 28 February 2027.

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

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

HMRC (CT600)FromPenalty
1 day late1 Jun 2027£200
3 months late31 Aug 2027another £200
6 months late30 Nov 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 May 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
11245926
Status
Active
Company type
Private limited company
Incorporated
9 March 2018 (8 years ago)
Registered office
Apex House 2ND Floor, Grand Arcade, London, N12 0EH
Nature of business
Development of building projects (SIC 41100)
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390)
Year end
31 May (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 May 2025
Last confirmation statement
18 September 2025

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 London

Other active property development companies registered in London.

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

Frequently asked questions

When are Yb1 Construction Limited's accounts due?

Yb1 Construction Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.

When is Yb1 Construction Limited's CT600 due?

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

Is Yb1 Construction Limited still trading?

Yb1 Construction Limited is listed as active on the Companies House register (checked 12 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 Yb1 Construction Limited do?

Yb1 Construction Limited is registered under Development of building projects (SIC 41100); Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).

How old is Yb1 Construction Limited?

Yb1 Construction Limited was incorporated on 9 March 2018, 8 years ago.

What is the penalty if Yb1 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 Yb1 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, rechecked 12 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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