- Companies
- Finishing trades
- Belfast
- RK Groundworks Limited
RK Groundworks Limited
- Company number
- NI630057
- Incorporated
- 18 Mar 201511 years trading
- Registered office
- 65 Deerpark Road, Belfast, BT14 7PW
- Nature of business
- Other building completion and finishing
RK Groundworks Limited is a 11-year-old private limited company registered in Belfast, company number NI630057, one of 55 building finishing companies in Belfast. Its next accounts are due at Companies House on 5 January 2027, and the CT600 for the period to 5 April 2026 is due at HMRC on 5 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 down £16K (-76.7%) on the year before, to £4,952.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £14K against £18K owed within a year: 0.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 5 Apr 2025 | £4,952 | £12K | £14K | £18K | 1 |
| 31 Mar 2024 | £21K | £74K | £76K | £66K | 1 |
| 31 Mar 2023 | £12K | £49K | £76K | £78K | 1 |
| 31 Mar 2022 | £7,850 | £59K | £74K | £71K | 1 |
| 31 Mar 2021 | -£2,172 | £24K | £24K | £24K | 1 |
| 31 Mar 2020 | -£2,315 | £6,447 | £12K | £11K | 1 |
| 31 Mar 2019 | -£462 | £1,012 | £4,039 | £0 | 1 |
Where RK Groundworks Limited is registered
The registered office is in Belfast (BT14), in the Belfast local authority area, Northern Ireland. Show BT14 7PW on a map.
Other trade companies in BT14
- Priority Gas & Plumbing NI LtdPlumbers and heating engineers
- PJL LtdProperty developers
- Pro Clean Industrial Solution NI LtdCleaning companies
- Oldpark Tyre Services LtdMotor traders
- Mikado Consults LtdMotor traders
- Belfast Turnover Co LtdCleaning companies
- Pure Perfection 2026 LtdCleaning companies
- Herdman Electrical LtdElectricians
What happens if RK 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 5 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2027 to 5 Feb 2027 | £150 |
| 1 to 3 months late | 6 Feb 2027 to 5 Apr 2027 | £375 |
| 3 to 6 months late | 6 Apr 2027 to 5 Jul 2027 | £750 |
| More than 6 months late | From 6 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2027 | £200 |
| 3 months late | 5 Jul 2027 | another £200 |
| 6 months late | 5 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 Apr 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
- NI630057
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2015 (11 years ago)
- Registered office
- 65 Deerpark Road, Belfast, BT14 7PW
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 5 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 5 April 2025
- Last confirmation statement
- 5 April 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Belfast
Other active building finishing companies registered in Belfast.
- RMC Building Services Ltd2010
- Scrabo Developments Limited1974
- Shop Design & Fit Ltd2016
- Six-West Ltd2007
- SMT Pinnacle Ltd2025
- Ssa Universal Ltd2023
- STK Grounds and Maintenance Limited2024
- T.W.I.M. Ltd2002
All building finishing companies in Belfast · All trades in Belfast · Finishing trades across the UK
Frequently asked questions
When are RK Groundworks Limited's accounts due?
RK Groundworks Limited's next accounts are due at Companies House by 5 January 2027 (in 84 days), covering the period to 5 April 2026.
When is RK Groundworks Limited's CT600 due?
The CT600 for the period to 5 April 2026 is due at HMRC by 5 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2027.
Is RK Groundworks Limited still trading?
RK 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 RK Groundworks Limited do?
RK Groundworks Limited is registered under Other building completion and finishing (SIC 43390).
How old is RK Groundworks Limited?
RK Groundworks Limited was incorporated on 18 March 2015, 11 years ago.
What is the penalty if RK 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 RK 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.