- Companies
- Floor and wall tilers
- Harrow
- JJJ Build Masters Limited
JJJ Build Masters Limited
- Company number
- 16971600
- Incorporated
- 19 Jan 2026
- Registered office
- 60 High Worple, Harrow, HA2 9SZ
- Nature of business
- Floor and wall covering; Other building completion and finishing; Combined facilities support activities; General cleaning of buildings
JJJ Build Masters Limited is a newly incorporated private limited company registered in Harrow, company number 16971600, one of 29 flooring and tiling companies in Harrow. Its next accounts are due at Companies House on 19 October 2027, and its first CT600 is due at HMRC on 18 January 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 JJJ Build Masters Limited is registered
The registered office is in Harrow (HA2), in the Harrow local authority area, London. Show HA2 9SZ on a map.
Other trade companies in HA2
- KJP Engineering LtdElectricians
- JNJ Engineering LimitedCivil engineering
- Notting Hill Sew LtdRepair services
- Grandwellautos LtdMotor traders
- Multisteel Powdercoating LtdPainters and decorators
- Neon Systems LtdElectricians
- Firstclass Facilities LtdCleaning companies
- PMD Construct LtdBuilders
What happens if JJJ Build Masters 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 19 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Oct 2027 to 19 Nov 2027 | £150 |
| 1 to 3 months late | 20 Nov 2027 to 19 Jan 2028 | £375 |
| 3 to 6 months late | 20 Jan 2028 to 19 Apr 2028 | £750 |
| More than 6 months late | From 20 Apr 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
- 16971600
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 January 2026
- Registered office
- 60 High Worple, Harrow, HA2 9SZ
- Nature of business
- Floor and wall covering (SIC 43330)
Other building completion and finishing (SIC 43390)
Combined facilities support activities (SIC 81100)
General cleaning of buildings (SIC 81210) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 11 February 2026
Filing notes for flooring and tiling companies
Tiling and flooring companies are mostly micro-entities. The van, tools and materials on hand are the main balance sheet items.
Similar companies in Harrow
Other active flooring and tiling companies registered in Harrow.
- KPD Services Ltd2026
- Lawless Flooring Limited2007
- M K H Laminate Ltd2024
- Marble & Marble Limited2013
- MDM Marble Masters Limited2024
- Mo Stone Ltd2026
- Old Skool Enterprises Limited2002
- Premier Screeding Limited2007
All flooring and tiling companies in Harrow · All trades in Harrow · Floor and wall tilers across the UK
Frequently asked questions
When are JJJ Build Masters Limited's accounts due?
JJJ Build Masters Limited's next accounts are due at Companies House by 19 October 2027 (in 371 days), covering the period to 31 January 2027.
When is JJJ Build Masters Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 18 January 2027, due by 18 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is JJJ Build Masters Limited still trading?
JJJ Build Masters 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 JJJ Build Masters Limited do?
JJJ Build Masters Limited is registered under Floor and wall covering (SIC 43330); Other building completion and finishing (SIC 43390); Combined facilities support activities (SIC 81100); General cleaning of buildings (SIC 81210).
How old is JJJ Build Masters Limited?
JJJ Build Masters Limited was incorporated on 19 January 2026, less than a year ago.
What is the penalty if JJJ Build Masters 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 JJJ Build Masters 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.