- Company number
- 16699105
- Incorporated
- 6 Sep 20251 year trading
- Registered office
- 41 Mornington Crescent, Hounslow, TW5 9ST
- Nature of business
- Construction of domestic buildings
Primecore Builders Limited is a 1-year-old private limited company registered in Hounslow, company number 16699105, one of 494 building contractors in Hounslow. Its next accounts are due at Companies House on 6 June 2027, and its first CT600 is due at HMRC on 5 September 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Primecore Builders Limited is registered
The registered office is in Hounslow (TW5), in the Hounslow local authority area, London. Show TW5 9ST on a map.
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What happens if Primecore Builders 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 6 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Jun 2027 to 6 Jul 2027 | £150 |
| 1 to 3 months late | 7 Jul 2027 to 6 Sep 2027 | £375 |
| 3 to 6 months late | 7 Sep 2027 to 6 Dec 2027 | £750 |
| More than 6 months late | From 7 Dec 2027 | £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
- 16699105
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 September 2025 (1 year ago)
- Registered office
- 41 Mornington Crescent, Hounslow, TW5 9ST
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 28 September 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 Hounslow
Other active building contractors registered in Hounslow.
- Primo Contractor Ltd2024
- Project4You Ltd2026
- Prutm Ltd2026
- PSB Electrical Limited2019
- PSRK Limited2026
- Pulse N' Paint Ltd2022
- Purajit Constructions Ltd2021
- PVK1 Ltd2026
All building contractors in Hounslow · All trades in Hounslow · Builders across the UK
Frequently asked questions
When are Primecore Builders Limited's accounts due?
Primecore Builders Limited's next accounts are due at Companies House by 6 June 2027 (in 237 days), covering the period to 30 September 2026.
When is Primecore Builders Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 5 September 2026, due by 5 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Primecore Builders Limited still trading?
Primecore Builders 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 Primecore Builders Limited do?
Primecore Builders Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Primecore Builders Limited?
Primecore Builders Limited was incorporated on 6 September 2025, 1 year ago.
What is the penalty if Primecore Builders 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 Primecore Builders 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.