- Companies
- Civil engineering
- Caterham
- On the Groundworks Limited
On the Groundworks Limited
- Company number
- 10943051
- Incorporated
- 1 Sep 20179 years trading
- Registered office
- Suite 1B Quadrant House North, 65 Croydon Road, Caterham, Surrey, CR3 6PB
- Nature of business
- Construction of roads and motorways
On the Groundworks Limited is a 9-year-old private limited company registered in Caterham, company number 10943051, one of 16 civil engineering contractors in Caterham. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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 On the Groundworks LimitedOr 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 £389 (+50.3%) on the year before, to £1,163.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £21K against £20K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £1,163 | £21K | £20K | 1 | |
| 31 Jan 2024 | £774 | £20K | £20K | 1 | |
| 31 Jan 2023 | £611 | £20K | £20K | 1 | |
| 31 Jan 2022 | £302 | £31K | £31K | 0 | |
| 30 Sep 2020 | £4,146 | £60K | £27K | 0 | |
| 30 Sep 2019 | £1 | ||||
| 30 Sep 2018 | £1 |
Where On the Groundworks Limited is registered
The registered office is in Caterham (CR3), in the Tandridge local authority area, South East. Show CR3 6PB on a map.
Other trade companies in CR3
- Epw Group (London) LtdCleaning companies
- Limitless Flooring LtdFloor and wall tilers
- 5 Star Renovation LtdFinishing trades
- Moncur Heating LimitedPlumbers and heating engineers
- Rayce Projects LtdProperty developers
- DDB Building LtdFinishing trades
- Eljayar LimitedLandscapers and gardeners
- Apex Scaffold Services LtdScaffolders
Shared registered office
61 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 On the 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2028 | 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
- 10943051
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 September 2017 (9 years ago)
- Registered office
- Suite 1B Quadrant House North, 65 Croydon Road, Caterham, Surrey, CR3 6PB
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 26 May 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 Caterham
Other active civil engineering contractors registered in Caterham.
- Paragon Roadmarking Limited2000
- Power Distribution & Transmission Services Ltd2021
- Whites Building Contractors Limited1997
- Whyte Rock Consulting Ltd2025
- Zephyrus Construction Ltd2018
- Autostrada Inspections Ltd2023
- Cornish Surfacing Ltd2025
- Denport Utilities Ltd2025
All civil engineering contractors in Caterham · All trades in Caterham · Civil engineering across the UK
Frequently asked questions
When are On the Groundworks Limited's accounts due?
On the Groundworks Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is On the Groundworks Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is On the Groundworks Limited still trading?
On the 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 On the Groundworks Limited do?
On the Groundworks Limited is registered under Construction of roads and motorways (SIC 42110).
How old is On the Groundworks Limited?
On the Groundworks Limited was incorporated on 1 September 2017, 9 years ago.
What is the penalty if On the 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 On the 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.