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- Aa Probuild Ltd
Company profile · Specialist contractors
Aa Probuild Ltd
Aa Probuild Ltd is a newly incorporated private limited company registered in Northolt, company number 17208959, one of 32 specialist construction companies in Northolt. Its next accounts are due at Companies House on 10 February 2028, and its first CT600 is due at HMRC on 9 May 2028.
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 Aa Probuild Ltd is registered
The registered office is in Northolt (UB5), in the Ealing local authority area, London. Show UB5 4TW on a map.
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- Upliftcarsltd LtdMotor traders
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What happens if Aa Probuild 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 10 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Feb 2028 to 10 Mar 2028 | £150 |
| 1 to 3 months late | 11 Mar 2028 to 10 May 2028 | £375 |
| 3 to 6 months late | 11 May 2028 to 10 Aug 2028 | £750 |
| More than 6 months late | From 11 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17208959
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 May 2026
- Registered office
- 33 Blenheim Road, Northolt, UB5 4TW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
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 Northolt
Other active specialist construction companies registered in Northolt.
- Arkrule Limited2007
- Av Digger Services Ltd2025
- Beamcloud Services Limited2021
- C O'Shea Ltd2003
- Chuzeks Rails Ltd2016
- DB Vac Limited2016
- E.M.D Groundwork Ltd2026
- GHK Trade Ltd2023
All specialist construction companies in Northolt · All trades in Northolt · Specialist contractors across the UK
Frequently asked questions
When are Aa Probuild Ltd's accounts due?
Aa Probuild Ltd's next accounts are due at Companies House by 10 February 2028 (in 486 days), covering the period to 31 May 2027.
When is Aa Probuild Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 9 May 2027, due by 9 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Aa Probuild Ltd still trading?
Aa Probuild 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 Aa Probuild Ltd do?
Aa Probuild Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Aa Probuild Ltd?
Aa Probuild Ltd was incorporated on 10 May 2026, less than a year ago.
What is the penalty if Aa Probuild 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 Aa Probuild 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.