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Company profile · Property developers

Optimal Construction Services Ltd

Optimal Construction Services Ltd is a 6-year-old private limited company registered in London, company number 12412742, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.

Active 12412742 Micro-entity accounts London Since 2020

Key dates

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

Accounts due
30 Sep 2027
in 353 days
For the period to 31 Dec 2026
CT600 due
31 Dec 2027
in 445 days
Period 1 Jan 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 354 days
9 months and 1 day after the period end
Confirmation statement
2 Feb 2027
in 113 days
Last made up to 19 Jan 2026

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Financial snapshot, 2025

From the balance sheet at 31 December 2025, as filed at Companies House.

Net assets
£239K
+10.1% on the year before
Current assets
£28K
Employees
0
Average during the year, including directors

Optimal Construction Services Ltd over the years

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 £22K (+10.1%) on the year before, to £239K.
  • Net assets rose in 5 of 5 year-on-year comparisons on record.
  • Current assets of £28K against £245K owed within a year: 0.1 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 6 years, 2020 to 2025.

Net assets by year

Net assets at each year end, 2020 to 2025£0£100K£200K31 December 2020: net assets £6,070202031 December 2021: net assets £75K202131 December 2022: net assets £135K202231 December 2023: net assets £188K202331 December 2024: net assets £217K202431 December 2025: net assets £239K£239K2025
Net assets at each year end, 2020 to 2025£0£100K£200K31 December 2020: net assets £6,070202031 December 2021: net assets £75K202131 December 2022: net assets £135K202231 December 2023: net assets £188K202331 December 2024: net assets £217K202431 December 2025: net assets £239K£239K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£239K£28K£245K0
31 Dec 2024£217K£26K£207K0
31 Dec 2023£188K£44K£163K0
31 Dec 2022£135K£24K£108K0
31 Dec 2021£75K£28K£56K0
31 Dec 2020£6,070£44K£1620

Where Optimal Construction Services Ltd is registered

Optimal Construction Services Ltd's registered office on a map of the UK

The registered office is in London (SW8), in the Wandsworth local authority area, London. Show SW8 4AL on a map.

Other trade companies in SW8

Also registered at this address

1 other company uses the same registered office as Optimal Construction Services Ltd.

What happens if Optimal Construction Services 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 30 September 2027.

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

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

HMRC (CT600)FromPenalty
1 day late1 Jan 2028£200
3 months late31 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 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
12412742
Status
Active
Company type
Private limited company
Incorporated
20 January 2020 (6 years ago)
Registered office
First Floor 50, Havelock Terrace, London, SW8 4AL
Nature of business
Development of building projects (SIC 41100)
Year end
31 December (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 December 2025
Last confirmation statement
19 January 2026
Previous names
Optimal Development Ltd (until 18 Sep 2023)
The Optimal Development Ltd (until 4 Aug 2020)

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.

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Frequently asked questions

When are Optimal Construction Services Ltd's accounts due?

Optimal Construction Services Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.

When is Optimal Construction Services Ltd's CT600 due?

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

Is Optimal Construction Services Ltd still trading?

Optimal Construction Services 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 Optimal Construction Services Ltd do?

Optimal Construction Services Ltd is registered under Development of building projects (SIC 41100).

How old is Optimal Construction Services Ltd?

Optimal Construction Services Ltd was incorporated on 20 January 2020, 6 years ago.

What is the penalty if Optimal Construction Services 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 Optimal Construction Services 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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