- Companies
- Installers
- Harrow
- Bulidx Ltd
Bulidx Ltd
- Company number
- 16787617
- Incorporated
- 15 Oct 2025
- Registered office
- 101A Rosslyn Crescent, Harrow, HA1 2SA
- Nature of business
- Other construction installation; Other specialised construction activities n.e.c.
Bulidx Ltd is a newly incorporated private limited company registered in Harrow, company number 16787617, one of 130 installation companies (insulation, lifts, shutters and similar) in Harrow. Its next accounts are due at Companies House on 15 July 2027, and its first CT600 is due at HMRC on 14 October 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Bulidx LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Who runs and owns Bulidx Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** P*** | Director | Oct 2025 |
Person with significant control
Where Bulidx Ltd is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2SA on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
What happens if Bulidx 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 15 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Jul 2027 to 15 Aug 2027 | £150 |
| 1 to 3 months late | 16 Aug 2027 to 15 Oct 2027 | £375 |
| 3 to 6 months late | 16 Oct 2027 to 15 Jan 2028 | £750 |
| More than 6 months late | From 16 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16787617
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 October 2025
- Registered office
- 101A Rosslyn Crescent, Harrow, HA1 2SA
- Nature of business
- Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
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 Harrow
Other active installation companies (insulation, lifts, shutters and similar) registered in Harrow.
- Carcea Ltd2013
- Cip Plastering & Decorating Ltd2023
- Coim Limited2026
- Construction DM Ltd2024
- Coorvai Ltd2013
- D Premium Building Services Limited2024
- D&D Management London Ltd2022
- D&S Stone Fit-Out Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Harrow · All trades in Harrow · Installers across the UK
Frequently asked questions
When are Bulidx Ltd's accounts due?
Bulidx Ltd's next accounts are due at Companies House by 15 July 2027 (in 276 days), covering the period to 31 October 2026.
When is Bulidx 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 14 October 2026, due by 14 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Bulidx Ltd still trading?
Bulidx 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 Bulidx Ltd do?
Bulidx Ltd is registered under Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).
How old is Bulidx Ltd?
Bulidx Ltd was incorporated on 15 October 2025, less than a year ago.
Who runs Bulidx Ltd?
Bulidx Ltd has 1 active director, the longest-serving appointed in Oct 2025. Their names and service addresses are on the Companies House register.
Who owns Bulidx Ltd?
One person or company has significant control of Bulidx Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Bulidx 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 Bulidx 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.