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- First4Builders Limited
Company profile · Installers
First4Builders Limited
First4Builders Limited is a 8-year-old private limited company registered in Uxbridge, company number 11399684, one of 50 installation companies (insulation, lifts, shutters and similar) in Uxbridge. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where First4Builders Limited is registered
The registered office is in Uxbridge (UB8), in the Hillingdon local authority area, London. Show UB8 2HG on a map.
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What happens if First4Builders 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 11399684
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 June 2018 (8 years ago)
- Registered office
- 2 Maygoods View High Road, Cowley, Uxbridge, UB8 2HG
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 30 April 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Uxbridge
Other active installation companies (insulation, lifts, shutters and similar) registered in Uxbridge.
- Fitting Services Ltd2025
- Garry Clark Set Construction Ltd2026
- Hamilton Painting and Decorating Ltd2024
- Hays Construction Limited2025
- Huse Fencing Contractors Ltd.1999
- James Thomson Civils Ltd2021
- JSG Contractors Ltd2014
- JTC BMS Services Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Uxbridge · All trades in Uxbridge · Installers across the UK
Frequently asked questions
When are First4Builders Limited's accounts due?
First4Builders Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is First4Builders Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is First4Builders Limited still trading?
First4Builders 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 First4Builders Limited do?
First4Builders Limited is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is First4Builders Limited?
First4Builders Limited was incorporated on 5 June 2018, 8 years ago.
What is the penalty if First4Builders 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 First4Builders 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.