1. Companies
  2. Specialist contractors
  3. York
  4. Core Groundworks (York) Ltd

Core Groundworks (York) Ltd

ActiveMicro-entity accountsSpecialist contractorsYork
Company number
11972425
Incorporated
1 May 20197 years trading
Registered office
Heritage House Murton Way, Osbaldwick, York, North Yorkshire, YO19 5UW
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
449 days
5 Jan 2028
Net assets
£51K▲
+11.8% on the year before
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

Core Groundworks (York) Ltd is a 7-year-old private limited company registered in York, company number 11972425, one of 101 specialist construction companies in York. Its next accounts are due at Companies House on 5 January 2028, and the CT600 for the period to 5 April 2027 is due at HMRC on 5 April 2028.

Key dates

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

Accounts due
5 Jan 2028
in 449 days
For the period to 5 Apr 2027
CT600 due
5 Apr 2028
in 540 days
Period 6 Apr 2026 to 5 Apr 2027
Corporation tax payment
6 Jan 2028
in 450 days
9 months and 1 day after the period end
Confirmation statement
14 May 2027
in 213 days
Last made up to 30 Apr 2026

Is this your company?

File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for Core Groundworks (York) Ltd

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

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 £5,431 (+11.8%) on the year before, to £51K.
  • Net assets rose in 4 of 6 year-on-year comparisons on record.
  • Current assets of £63K against £34K owed within a year: 1.9 times cover.
  • 3 employees on average, up from 2 the year before.
  • Balance sheets on record for 7 years, 2020 to 2026.

Net assets by year

Net assets at each year end, 2020 to 2026£0£20K£40K5 April 2020: net assets £12K£12K20205 April 2021: net assets £7,353£7,35320215 April 2022: net assets £23K£23K20225 April 2023: net assets -£3,870-£3,87020235 April 2024: net assets £29K£29K20245 April 2025: net assets £46K£46K20255 April 2026: net assets £51K£51K2026
Net assets at each year end, 2020 to 2026£0£20K£40K5 April 2020: net assets £12K£12K'205 April 2021: net assets £7,353£7,353'215 April 2022: net assets £23K£23K'225 April 2023: net assets -£3,870-£3,870'235 April 2024: net assets £29K£29K'245 April 2025: net assets £46K£46K'255 April 2026: net assets £51K£51K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
5 Apr 2026£51K£63K£34K3
5 Apr 2025£46K£79K£44K2
5 Apr 2024£29K£60K£37K2
5 Apr 2023-£3,870£38K£51K2
5 Apr 2022£23K£73K£47K2
5 Apr 2021£7,353£42K£13K2
5 Apr 2020£12K£55K£49K2

Where Core Groundworks (York) Ltd is registered

Core Groundworks (York) Ltd's registered office on a map of the UK

The registered office is in York (YO19), in the York local authority area, Yorkshire and The Humber. Show YO19 5UW on a map.

Other trade companies in YO19

Shared registered office

31 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 Groundworks (York) 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 5 January 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late6 Jan 2028 to 5 Feb 2028£150
1 to 3 months late6 Feb 2028 to 5 Apr 2028£375
3 to 6 months late6 Apr 2028 to 5 Jul 2028£750
More than 6 months lateFrom 6 Jul 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late6 Apr 2028£200
3 months late5 Jul 2028another £200
6 months late5 Oct 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late5 Apr 2029another 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
11972425
Status
Active
Company type
Private limited company
Incorporated
1 May 2019 (7 years ago)
Registered office
Heritage House Murton Way, Osbaldwick, York, North Yorkshire, YO19 5UW
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
5 April (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
5 April 2026
Last confirmation statement
30 April 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.

Similar companies in York

Other active specialist construction companies registered in York.

All specialist construction companies in York · All trades in York · Specialist contractors across the UK

Frequently asked questions

When are Core Groundworks (York) Ltd's accounts due?

Core Groundworks (York) Ltd's next accounts are due at Companies House by 5 January 2028 (in 449 days), covering the period to 5 April 2027.

When is Core Groundworks (York) Ltd's CT600 due?

The CT600 for the period to 5 April 2027 is due at HMRC by 5 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2028.

Is Core Groundworks (York) Ltd still trading?

Core Groundworks (York) 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 Core Groundworks (York) Ltd do?

Core Groundworks (York) Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Core Groundworks (York) Ltd?

Core Groundworks (York) Ltd was incorporated on 1 May 2019, 7 years ago.

What is the penalty if Core Groundworks (York) 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 Core Groundworks (York) 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.

File accounts + CT600File now£49Let's talk