- Companies
- Civil engineering
- Durham
- Turnbull Groundworks Limited
Turnbull Groundworks Limited
- Company number
- 16203314
- Incorporated
- 23 Jan 20251 year trading
- Registered office
- 15 Front Street, Sherburn Hill, Durham, Co. Durham, DH6 1PA
- Nature of business
- Construction of other civil engineering projects n.e.c.
Turnbull Groundworks Limited is a 1-year-old private limited company registered in Durham, company number 16203314, one of 121 civil engineering contractors in Durham. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House.
Where Turnbull Groundworks Limited is registered
The registered office is in Durham (DH6), in the County Durham local authority area, North East. Show DH6 1PA on a map.
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Shared registered office
114 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 Turnbull Groundworks 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | another 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
- 16203314
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 January 2025 (1 year ago)
- Registered office
- 15 Front Street, Sherburn Hill, Durham, Co. Durham, DH6 1PA
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 22 January 2026
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 Durham
Other active civil engineering contractors registered in Durham.
- Tyne Haulage Co Limited2025
- Union Northeast Limited2025
- Unlimited Labs Ltd2026
- Wilplan Civils Limited2013
- Wingfield Construction North East Ltd2017
- Winn's Construction Limited2023
- WRB Groundworks Limited2025
- Wyn Limited2007
All civil engineering contractors in Durham · All trades in Durham · Civil engineering across the UK
Frequently asked questions
When are Turnbull Groundworks Limited's accounts due?
Turnbull Groundworks Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Turnbull Groundworks Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Turnbull Groundworks Limited still trading?
Turnbull Groundworks 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 Turnbull Groundworks Limited do?
Turnbull Groundworks Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Turnbull Groundworks Limited?
Turnbull Groundworks Limited was incorporated on 23 January 2025, 1 year ago.
What is the penalty if Turnbull Groundworks 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 Turnbull Groundworks Limited on Companies House for filed documents, officers and the full history.
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.