- Company number
- 16419270
- Incorporated
- 30 Apr 20251 year trading
- Registered office
- 58 New Bedford Road, Luton, Bedfordshire, LU1 1SH
- Nature of business
- Construction of domestic buildings
Simplu Si Atat Limited is a 1-year-old private limited company registered in Luton, company number 16419270, one of 708 building contractors in Luton. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 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 30 April 2026, as filed at Companies House.
Where Simplu Si Atat Limited is registered
The registered office is in Luton (LU1), in the Luton local authority area, East of England. Show LU1 1SH on a map.
Other trade companies in LU1
- Metalia Plastering LtdPlasterers
- Luton Bodyworks LtdMechanics and garages
- Speedyone LtdGroundworks and demolition
- Varion Construction LtdProperty developers
- Bromhams LtdMotor traders
- Vertex Home Improvements LtdRoofers
- Skillede LtdElectricians
- Avram Cleaning LtdCleaning companies
Shared registered office
56 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 Simplu Si Atat 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 16419270
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 April 2025 (1 year ago)
- Registered office
- 58 New Bedford Road, Luton, Bedfordshire, LU1 1SH
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 29 April 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Luton
Other active building contractors registered in Luton.
- SK Builders Ltd2021
- Skaci and Sons Limited2016
- SKS Builders Ltd2023
- Sky Watch Security Services Limited2025
- Skyline Vector Ltd2026
- Skyrise Solutions Ltd2024
- SM Con Ltd Ltd2025
- SM Constructions Services Limited2021
All building contractors in Luton · All trades in Luton · Builders across the UK
Frequently asked questions
When are Simplu Si Atat Limited's accounts due?
Simplu Si Atat Limited's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Simplu Si Atat Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Simplu Si Atat Limited still trading?
Simplu Si Atat 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 Simplu Si Atat Limited do?
Simplu Si Atat Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Simplu Si Atat Limited?
Simplu Si Atat Limited was incorporated on 30 April 2025, 1 year ago.
What is the penalty if Simplu Si Atat 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 Simplu Si Atat 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.