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Mascroft Ltd

ActiveTotal exemption (full) accountsCivil engineeringLondon
Company number
11704071
Incorporated
29 Nov 20187 years trading
Registered office
30 Heathcroft, London, W5 3EZ
Nature of business
Construction of other civil engineering projects n.e.c.; Other construction installation
Accounts due in
323 days
31 Aug 2027
Net assets
£72K▼
-10.3% on the year before
Cash at bank
£100K▲
At 30 Nov 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Mascroft Ltd is a 7-year-old private limited company registered in London, company number 11704071, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.

Key dates

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

Accounts due
31 Aug 2027
in 323 days
For the period to 30 Nov 2026
CT600 due
30 Nov 2027
in 414 days
Period 1 Dec 2025 to 30 Nov 2026
Corporation tax payment
1 Sep 2027
in 324 days
9 months and 1 day after the period end
Confirmation statement
12 Dec 2026
in 61 days
Last made up to 28 Nov 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 down £8,276 (-10.3%) on the year before, to £72K.
  • Net assets rose in 3 of 6 year-on-year comparisons on record.
  • Current assets of £113K against £44K owed within a year: 2.6 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 7 years, 2019 to 2025.

Net assets by year

Net assets at each year end, 2019 to 2025£0£50K30 November 2019: net assets £100£100201930 November 2020: net assets £100£100202030 November 2021: net assets £100£100202130 November 2022: net assets £61K£61K202230 November 2023: net assets £78K£78K202330 November 2024: net assets £80K£80K202430 November 2025: net assets £72K£72K2025
Net assets at each year end, 2019 to 2025£0£50K30 November 2019: net assets £100£100'1930 November 2020: net assets £100£100'2030 November 2021: net assets £100£100'2130 November 2022: net assets £61K£61K'2230 November 2023: net assets £78K£78K'2330 November 2024: net assets £80K£80K'2430 November 2025: net assets £72K£72K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Nov 2025£72K£100K£113K£44K1
30 Nov 2024£80K£81K£146K£68K1
30 Nov 2023£78K£91K£180K£104K2
30 Nov 2022£61K£257K£257K£198K2
30 Nov 2021£100£100£1002
30 Nov 2020£100£100£1001
30 Nov 2019£100£100

Where Mascroft Ltd is registered

Mascroft Ltd's registered office on a map of the UK

The registered office is in London (W5), in the Ealing local authority area, London. Show W5 3EZ on a map.

Other trade companies in W5

What happens if Mascroft 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 August 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Sep 2027 to 30 Sep 2027£150
1 to 3 months late1 Oct 2027 to 30 Nov 2027£375
3 to 6 months late1 Dec 2027 to 29 Feb 2028£750
More than 6 months lateFrom 1 Mar 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Dec 2027£200
3 months late29 Feb 2028another £200
6 months late30 May 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Nov 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
11704071
Status
Active
Company type
Private limited company
Incorporated
29 November 2018 (7 years ago)
Registered office
30 Heathcroft, London, W5 3EZ
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Other construction installation (SIC 43290)
Year end
30 November (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 November 2025
Last confirmation statement
28 November 2025

Filing notes for civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Similar companies in London

Other active civil engineering contractors registered in London.

All civil engineering contractors in London · All trades in London · Civil engineering across the UK

Frequently asked questions

When are Mascroft Ltd's accounts due?

Mascroft Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.

When is Mascroft Ltd's CT600 due?

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

Is Mascroft Ltd still trading?

Mascroft 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 Mascroft Ltd do?

Mascroft Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other construction installation (SIC 43290).

How old is Mascroft Ltd?

Mascroft Ltd was incorporated on 29 November 2018, 7 years ago.

What is the penalty if Mascroft 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 Mascroft 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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