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Core Install Limited

ActiveMicro-entity accountsBuildersCovent Garden
Company number
11103390
Incorporated
8 Dec 20178 years trading
Registered office
71-75 Shelton Street, Covent Garden, London, WC2H 9JQ
Nature of business
Construction of domestic buildings; Plumbing, heat and air-conditioning installation; Painting; specialised design activities
Accounts due in
353 days
30 Sep 2027
Net assets
£23K▲
+369.5% on the year before
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Core Install Limited is a 8-year-old private limited company registered in Covent Garden, company number 11103390, one of 418 building contractors in Covent Garden. 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.

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
29 Jul 2027
in 290 days
Last made up to 15 Jul 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 £18K (+369.5%) on the year before, to £23K.
  • Net assets rose in 5 of 7 year-on-year comparisons on record.
  • Current assets of £2,496 against £27K owed within a year: 0.1 times cover.
  • 2 employees on average, down from 3 the year before.
  • Balance sheets on record for 8 years, 2018 to 2025.

Net assets by year

Net assets at each year end, 2018 to 2025£0£10K£20K31 December 2018: net assets £42£42201831 December 2019: net assets £9,556£9,556201931 December 2020: net assets £14K£14K202031 December 2021: net assets £17K£17K202131 December 2022: net assets £14K£14K202231 December 2023: net assets £255£255202331 December 2024: net assets £4,979£4,979202431 December 2025: net assets £23K£23K2025
Net assets at each year end, 2018 to 2025£0£10K£20K31 December 2018: net assets £42£42'1831 December 2019: net assets £9,556£9,556'1931 December 2020: net assets £14K£14K'2031 December 2021: net assets £17K£17K'2131 December 2022: net assets £14K£14K'2231 December 2023: net assets £255£255'2331 December 2024: net assets £4,979£4,979'2431 December 2025: net assets £23K£23K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£23K£2,496£27K2
31 Dec 2024£4,979£13K£23K3
31 Dec 2023£255£8,984£6,4022
31 Dec 2022£14K£2,807£16K2
31 Dec 2021£17K£7,491£19K2
31 Dec 2020£14K£7,975£13K2
31 Dec 2019£9,556£1,079£11K
31 Dec 2018£42£6,289£7,310

Where Core Install Limited is registered

Core Install Limited's registered office on a map of the UK

The registered office is in Covent Garden (WC2H), in the Camden local authority area, London. Show WC2H 9JQ on a map.

Other trade companies in WC2H

Shared registered office

4,529 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 Core Install 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 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
11103390
Status
Active
Company type
Private limited company
Incorporated
8 December 2017 (8 years ago)
Registered office
71-75 Shelton Street, Covent Garden, London, WC2H 9JQ
Nature of business
Construction of domestic buildings (SIC 41202)
Plumbing, heat and air-conditioning installation (SIC 43220)
Painting (SIC 43341)
specialised design activities (SIC 74100)
Year end
31 December (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 December 2025
Last confirmation statement
15 July 2026

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

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Frequently asked questions

When are Core Install Limited's accounts due?

Core Install Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.

When is Core Install Limited'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 Core Install Limited still trading?

Core Install 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 Core Install Limited do?

Core Install Limited is registered under Construction of domestic buildings (SIC 41202); Plumbing, heat and air-conditioning installation (SIC 43220); Painting (SIC 43341); specialised design activities (SIC 74100).

How old is Core Install Limited?

Core Install Limited was incorporated on 8 December 2017, 8 years ago.

What is the penalty if Core Install 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 Core Install 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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