- Company number
- 17233090
- Incorporated
- 20 May 2026
- Registered office
- 13 Mill Mead, Wendover, Aylesbury, HP22 6BY
- Nature of business
- Construction of domestic buildings; Other letting and operating of own or leased real estate
Proton Lorac 2 Ltd is a newly incorporated private limited company registered in Aylesbury, company number 17233090, one of 176 building contractors in Aylesbury. Its next accounts are due at Companies House on 20 February 2028, and its first CT600 is due at HMRC on 19 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 Proton Lorac 2 Ltd is registered
The registered office is in Aylesbury (HP22), in the Buckinghamshire local authority area, South East. Show HP22 6BY on a map.
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What happens if Proton Lorac 2 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 20 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Feb 2028 to 20 Mar 2028 | £150 |
| 1 to 3 months late | 21 Mar 2028 to 20 May 2028 | £375 |
| 3 to 6 months late | 21 May 2028 to 20 Aug 2028 | £750 |
| More than 6 months late | From 21 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
- 17233090
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 2026
- Registered office
- 13 Mill Mead, Wendover, Aylesbury, HP22 6BY
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 7 July 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Aylesbury
Other active building contractors registered in Aylesbury.
- Proworks Building and Maintenance Ltd2021
- Ptpkl Ltd2023
- Putting P Limited2025
- Q Development & Construction Limited2015
- R Wilson Builders Limited2026
- R.A.W Carpentry and Construction Ltd2022
- Raczka Windows Ltd2024
- Raf Builders Ltd2025
All building contractors in Aylesbury · All trades in Aylesbury · Builders across the UK
Frequently asked questions
When are Proton Lorac 2 Ltd's accounts due?
Proton Lorac 2 Ltd's next accounts are due at Companies House by 20 February 2028 (in 495 days), covering the period to 31 May 2027.
When is Proton Lorac 2 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 19 May 2027, due by 19 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 Proton Lorac 2 Ltd still trading?
Proton Lorac 2 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 Proton Lorac 2 Ltd do?
Proton Lorac 2 Ltd is registered under Construction of domestic buildings (SIC 41202); Other letting and operating of own or leased real estate (SIC 68209).
How old is Proton Lorac 2 Ltd?
Proton Lorac 2 Ltd was incorporated on 20 May 2026, less than a year ago.
What is the penalty if Proton Lorac 2 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 Proton Lorac 2 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.