- Companies
- Installers
- Downpatrick
- GMK Plastering Services Limited
GMK Plastering Services Limited
- Company number
- NI698353
- Incorporated
- 20 Jun 20233 years trading
- Registered office
- 4 Lindisfarne Road, Downpatrick, BT30 6HP
- Nature of business
- Other construction installation
GMK Plastering Services Limited is a 3-year-old private limited company registered in Downpatrick, company number NI698353, one of 8 installation companies (insulation, lifts, shutters and similar) in Downpatrick. 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.
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 £3,985 (-51.5%) on the year before, to £3,746.
- Current assets of £5,361 against £8,117 owed within a year: 0.7 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £3,746 | £252 | £5,361 | £8,117 | 1 |
| 31 Mar 2024 | £7,731 | £18K | £18K | 0 |
Where GMK Plastering Services Limited is registered
The registered office is in Downpatrick (BT30), in the Newry, Mourne and Down local authority area, Northern Ireland. Show BT30 6HP on a map.
Other trade companies in BT30
- Ajc GRP LtdElectricians
- S J B Painting LtdPainters and decorators
- Corinas Cleaning LtdCleaning companies
- I P Recovery LimitedMechanics and garages
- Loughview Trading Co LimitedInstallers
- Titan Fabric and Surface LtdCleaning companies
- MCC&R LtdProperty developers
- Willow Cove Contracts LtdGroundworks and demolition
What happens if GMK Plastering Services 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 House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- NI698353
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 June 2023 (3 years ago)
- Registered office
- 4 Lindisfarne Road, Downpatrick, BT30 6HP
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 19 June 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Downpatrick
Other active installation companies (insulation, lifts, shutters and similar) registered in Downpatrick.
- Grangewalls Ltd2021
- Loughview Trading Co Limited2026
- Pro Surface (Irl) Ltd2020
- Sky Charge Renewables Ltd2026
- Access Video Projects Ltd2003
- Auto Door Ireland Ltd2024
- DRPK Contracts Limited2012
All installation companies (insulation, lifts, shutters and similar) in Downpatrick · All trades in Downpatrick · Installers across the UK
Frequently asked questions
When are GMK Plastering Services Limited's accounts due?
GMK Plastering Services Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is GMK Plastering Services 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 GMK Plastering Services Limited still trading?
GMK Plastering Services 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 GMK Plastering Services Limited do?
GMK Plastering Services Limited is registered under Other construction installation (SIC 43290).
How old is GMK Plastering Services Limited?
GMK Plastering Services Limited was incorporated on 20 June 2023, 3 years ago.
What is the penalty if GMK Plastering Services 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 GMK Plastering Services 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.