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  4. I&O Construction Ltd

I&O Construction Ltd

ActiveMicro-entity accountsFinishing tradesUxbridge
Company number
12256345
Incorporated
11 Oct 20197 years trading
Registered office
27 Tedder Close, Uxbridge, UB10 0FH
Nature of business
Other building completion and finishing
Accounts due in
291 days
31 Jul 2027
Net assets
£852▲
+11.7% on the year before
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

I&O Construction Ltd is a 7-year-old private limited company registered in Uxbridge, company number 12256345, one of 90 building finishing companies in Uxbridge. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.

Key dates

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

Accounts due
31 Jul 2027
in 291 days
For the period to 31 Oct 2026
CT600 due
31 Oct 2027
in 383 days
Period 1 Nov 2025 to 31 Oct 2026
Corporation tax payment
1 Aug 2027
in 292 days
9 months and 1 day after the period end
Confirmation statement
3 Feb 2027
in 113 days
Last made up to 20 Jan 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 £89 (+11.7%) on the year before, to £852.
  • Net assets rose in 5 of 5 year-on-year comparisons on record.
  • 2 employees on average, up from 1 the year before.
  • Balance sheets on record for 6 years, 2020 to 2025.

Net assets by year

Net assets at each year end, 2020 to 2025£0£50031 October 2020: net assets £2£2202031 October 2021: net assets £409£409202131 October 2022: net assets £462£462202231 October 2023: net assets £603£603202331 October 2024: net assets £763£763202431 October 2025: net assets £852£8522025
Net assets at each year end, 2020 to 2025£0£50031 October 2020: net assets £2£2202031 October 2021: net assets £409£409202131 October 2022: net assets £462£462202231 October 2023: net assets £603£603202331 October 2024: net assets £763£763202431 October 2025: net assets £852£8522025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Oct 2025£852£8522
31 Oct 2024£763£1,957£1,1941
31 Oct 2023£603£7,946£7,3430
31 Oct 2022£462£8252
31 Oct 2021£409£8,309£7,9002
31 Oct 2020£2£4,181£4,1791

Where I&O Construction Ltd is registered

I&O Construction Ltd's registered office on a map of the UK

The registered office is in Uxbridge (UB10), in the Hillingdon local authority area, London. Show UB10 0FH on a map.

Other trade companies in UB10

What happens if I&O Construction Ltd 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 31 July 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Aug 2027 to 31 Aug 2027£150
1 to 3 months late1 Sep 2027 to 31 Oct 2027£375
3 to 6 months late1 Nov 2027 to 31 Jan 2028£750
More than 6 months lateFrom 1 Feb 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Nov 2027£200
3 months late31 Jan 2028another £200
6 months late30 Apr 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Oct 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
12256345
Status
Active
Company type
Private limited company
Incorporated
11 October 2019 (7 years ago)
Registered office
27 Tedder Close, Uxbridge, UB10 0FH
Nature of business
Other building completion and finishing (SIC 43390)
Year end
31 October (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 October 2025
Last confirmation statement
20 January 2026

Filing notes for building finishing companies

Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.

Similar companies in Uxbridge

Other active building finishing companies registered in Uxbridge.

All building finishing companies in Uxbridge · All trades in Uxbridge · Finishing trades across the UK

Frequently asked questions

When are I&O Construction Ltd's accounts due?

I&O Construction Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.

When is I&O Construction Ltd's CT600 due?

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

Is I&O Construction Ltd still trading?

I&O Construction Ltd 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 I&O Construction Ltd do?

I&O Construction Ltd is registered under Other building completion and finishing (SIC 43390).

How old is I&O Construction Ltd?

I&O Construction Ltd was incorporated on 11 October 2019, 7 years ago.

What is the penalty if I&O Construction Ltd 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 I&O Construction Ltd 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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