- Company number
- 16199643
- Incorporated
- 21 Jan 20251 year trading
- Registered office
- 9 Heathdale Avenue, Hounslow, TW4 7HD
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other specialised construction activities n.e.c.; Engineering related scientific and technical consulting activities
Keep Fix Ltd is a 1-year-old private limited company registered in Hounslow, company number 16199643, one of 494 building contractors in Hounslow. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 31 January 2026, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Keep Fix Ltd is registered
The registered office is in Hounslow (TW4), in the Hounslow local authority area, London. Show TW4 7HD on a map.
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What happens if Keep Fix 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16199643
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 2025 (1 year ago)
- Registered office
- 9 Heathdale Avenue, Hounslow, TW4 7HD
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other specialised construction activities n.e.c. (SIC 43999)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 20 January 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.
- Kent Developments Ltd2023
- Khalij Construction Limited2025
- Kisozi Contractors Ltd2026
- Kohli Construction Ltd2024
- Konbuild Render Service Ltd2021
- Koviq Ltd2026
- KS2 Solution Ltd2026
- Kumbara Builders Ltd2022
All building contractors in Hounslow · All trades in Hounslow · Builders across the UK
Frequently asked questions
When are Keep Fix Ltd's accounts due?
Keep Fix Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Keep Fix Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Keep Fix Ltd still trading?
Keep Fix 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 Keep Fix Ltd do?
Keep Fix Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other specialised construction activities n.e.c. (SIC 43999); Engineering related scientific and technical consulting activities (SIC 71122).
How old is Keep Fix Ltd?
Keep Fix Ltd was incorporated on 21 January 2025, 1 year ago.
What is the penalty if Keep Fix 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 Keep Fix 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.