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Company profile · Groundworks and demolition

Celtic Lining Limited

Celtic Lining Limited is a 23-year-old private limited company registered in Hollybush, company number 04640759, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Active 04640759 Total exemption (full) accounts Hollybush Since 2003

Key dates

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

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
23 Jan 2027
in 103 days
Last made up to 9 Jan 2026

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Celtic Lining Limited 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 £51K (+4.7%) on the year before, to £1.1M.
  • Net assets rose in 8 of 9 year-on-year comparisons on record.
  • Current assets of £1.4M against £524K owed within a year: 2.8 times cover.
  • 11 employees on average, up from 10 the year before.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£500K£1M31 March 2016: net assets £399K201631 March 2017: net assets £534K201731 March 2018: net assets £628K201831 March 2019: net assets £627K201931 March 2020: net assets £635K202031 March 2021: net assets £674K202131 March 2022: net assets £914K202231 March 2023: net assets £965K202331 March 2024: net assets £1.1M202431 March 2025: net assets £1.1M£1.1M2025
Net assets at each year end, 2016 to 2025£0£500K£1M31 March 2016: net assets £399K'1631 March 2017: net assets £534K'1731 March 2018: net assets £628K'1831 March 2019: net assets £627K'1931 March 2020: net assets £635K'2031 March 2021: net assets £674K'2131 March 2022: net assets £914K'2231 March 2023: net assets £965K'2331 March 2024: net assets £1.1M'2431 March 2025: net assets £1.1M£1.1M'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£1.1M£1M£1.4M£524K11
31 Mar 2024£1.1M£1.3M£1.5M£591K10
31 Mar 2023£965K£812K£980K£161K9
31 Mar 2022£914K£954K£1.5M£706K10
31 Mar 2021£674K£674K£762K£204K11
31 Mar 2020£635K£471K£771K£231K12
31 Mar 2019£627K£514K£924K£374K13
31 Mar 2018£628K£577K£690K£151K14
31 Mar 2017£534K£607K£825K£383K
31 Mar 2016£399K£284K£517K£239K

Where Celtic Lining Limited is registered

Celtic Lining Limited's registered office on a map of the UK

The registered office is in Hollybush (NP12), in the Caerphilly local authority area, Wales. Show NP12 0SP on a map.

Other trade companies in NP12

What happens if Celtic Lining 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 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
04640759
Status
Active
Company type
Private limited company
Incorporated
17 January 2003 (23 years ago)
Registered office
Forest View, Banalog Terrace, Hollybush, Blackwood, NP12 0SP
Nature of business
Site preparation (SIC 43120)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
9 January 2026
Charges (mortgages)
1 outstanding of 1 registered

Filing notes for groundworks and demolition companies

Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.

Similar companies

Other active groundworks and demolition companies.

Groundworks and demolition across the UK

Frequently asked questions

When are Celtic Lining Limited's accounts due?

Celtic Lining Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is Celtic Lining Limited's CT600 due?

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

Is Celtic Lining Limited still trading?

Celtic Lining 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 Celtic Lining Limited do?

Celtic Lining Limited is registered under Site preparation (SIC 43120).

How old is Celtic Lining Limited?

Celtic Lining Limited was incorporated on 17 January 2003, 23 years ago.

What is the penalty if Celtic Lining 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 Celtic Lining 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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