Slabz Ltd
- Company number
- NI720736
- Incorporated
- 4 Sep 20242 years trading
- Registered office
- 18-22 Hill Street, Belfast, Antrim, BT1 2LA
- Nature of business
- Other specialised construction activities n.e.c.
Slabz Ltd is a 2-year-old private limited company registered in Belfast, company number NI720736, one of 110 specialist construction companies in Belfast. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House.
Where Slabz Ltd is registered
The registered office is in Belfast (BT1), in the Belfast local authority area, Northern Ireland. Show BT1 2LA on a map.
Other trade companies in BT1
- Atlas Property and Holdings LtdProperty developers
- Geohac LimitedGroundworks and demolition
- XM Vehicle Solutions LimitedMotor traders
- Shine Renewables NI LimitedElectricians
- The Rathstone Group LtdCleaning companies
- Chenyukeji LtdMotor traders
- Linnexttech Shop LtdMotor traders
- Techright Environmental Ireland LtdCleaning companies
Also registered at this address
4 other companies use the same registered office as Slabz Ltd.
- Bentonz LtdSpecialist contractors
- Quante LtdProperty developers
- Z Property Development LtdProperty developers
- Z Property Group (Leisure) LtdProperty developers
What happens if Slabz 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- NI720736
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 September 2024 (2 years ago)
- Registered office
- 18-22 Hill Street, Belfast, Antrim, BT1 2LA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 3 September 2025
- Charges (mortgages)
- 2 outstanding of 2 registered
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 Belfast
Other active specialist construction companies registered in Belfast.
- SP Magowan Limited2016
- Stabilisure Ltd2018
- Stephen Davidson Gas Services Ltd2018
- Stephen King Home Improvements Ltd2026
- Surface Corrosion Consultants Ltd2010
- T.F. Brickwork Limited2026
- The Prop Makers Limited2023
- The Pure Fitout Company Limited2025
All specialist construction companies in Belfast · All trades in Belfast · Specialist contractors across the UK
Frequently asked questions
When are Slabz Ltd's accounts due?
Slabz Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Slabz Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Slabz Ltd still trading?
Slabz 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 Slabz Ltd do?
Slabz Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Slabz Ltd?
Slabz Ltd was incorporated on 4 September 2024, 2 years ago.
What is the penalty if Slabz 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 Slabz Ltd 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.