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  4. Modtech Construction Services Limited

Modtech Construction Services Limited

ActiveMicro-entity accountsSpecialist contractorsLondon
Company number
11359397
Incorporated
14 May 20188 years trading
Registered office
16 Berkeley Street, London, W1J 8DZ
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
169 days
31 Mar 2027
Net assets
£672▲
At 30 Jun 2026
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Modtech Construction Services Limited is a 8-year-old private limited company registered in London, company number 11359397, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.

Key dates

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

Accounts due
31 Mar 2027
in 169 days
For the period to 30 Jun 2026
CT600 due
30 Jun 2027
in 260 days
Period 1 Jul 2025 to 30 Jun 2026
Corporation tax payment
1 Apr 2027
in 170 days
9 months and 1 day after the period end
Confirmation statement
14 Sep 2027
in 336 days
Last made up to 31 Aug 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 £662 on the year before, to £672.
  • Net assets rose in 4 of 7 year-on-year comparisons on record.
  • 1 employee on average during the year.
  • Balance sheets on record for 8 years, 2019 to 2026.

Net assets by year

Net assets at each year end, 2019 to 2026£0£1,00030 June 2019: net assets £100£100201930 June 2020: net assets £204£204202030 June 2021: net assets £182£182202130 June 2022: net assets £677£677202230 June 2023: net assets £1,738£1,738202330 June 2024: net assets £946£946202430 June 2025: net assets £10£10202530 June 2026: net assets £672£6722026
Net assets at each year end, 2019 to 2026£0£1,00030 June 2019: net assets £100£100'1930 June 2020: net assets £204£204'2030 June 2021: net assets £182£182'2130 June 2022: net assets £677£677'2230 June 2023: net assets £1,738£1,738'2330 June 2024: net assets £946£946'2430 June 2025: net assets £10£10'2530 June 2026: net assets £672£672'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Jun 2026£672£3091
30 Jun 2025£10£11K1
30 Jun 2024£946£22K1
30 Jun 2023£1,738£32K1
30 Jun 2022£677£43K1
30 Jun 2021£182£50K0
30 Jun 2020£204
30 Jun 2019£100

Where Modtech Construction Services Limited is registered

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

The registered office is in London (W1J), in the Westminster local authority area, London. Show W1J 8DZ on a map.

Other trade companies in W1J

Also registered at this address

2 other companies use the same registered office as Modtech Construction Services Limited.

What happens if Modtech Construction Services 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 31 March 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Apr 2027 to 30 Apr 2027£150
1 to 3 months late1 May 2027 to 30 Jun 2027£375
3 to 6 months late1 Jul 2027 to 30 Sep 2027£750
More than 6 months lateFrom 1 Oct 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jul 2027£200
3 months late30 Sep 2027another £200
6 months late30 Dec 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 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
11359397
Status
Active
Company type
Private limited company
Incorporated
14 May 2018 (8 years ago)
Registered office
16 Berkeley Street, London, W1J 8DZ
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
30 June (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 June 2025
Last confirmation statement
31 August 2026

Filing notes for specialist construction companies

Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.

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Frequently asked questions

When are Modtech Construction Services Limited's accounts due?

Modtech Construction Services Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.

When is Modtech Construction Services Limited's CT600 due?

The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.

Is Modtech Construction Services Limited still trading?

Modtech Construction Services 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 Modtech Construction Services Limited do?

Modtech Construction Services Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Modtech Construction Services Limited?

Modtech Construction Services Limited was incorporated on 14 May 2018, 8 years ago.

What is the penalty if Modtech Construction Services 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 Modtech Construction Services 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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