- Company number
- 17285247
- Incorporated
- 19 Jun 2026
- Registered office
- Flat 3, 97 Woodberry Avenue, Harrow, HA2 6AY
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Buildwyn Ltd is a newly incorporated private limited company registered in Harrow, company number 17285247, one of 793 building contractors in Harrow. Its next accounts are due at Companies House on 19 March 2028, and its first CT600 is due at HMRC on 18 June 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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Who runs and owns Buildwyn Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** P*** | Director | Jun 2026 |
Person with significant control
Where Buildwyn Ltd is registered
The registered office is in Harrow (HA2), in the Harrow local authority area, London. Show HA2 6AY 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 Buildwyn 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 19 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Mar 2028 to 19 Apr 2028 | £150 |
| 1 to 3 months late | 20 Apr 2028 to 19 Jun 2028 | £375 |
| 3 to 6 months late | 20 Jun 2028 to 19 Sep 2028 | £750 |
| More than 6 months late | From 20 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17285247
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 June 2026
- Registered office
- Flat 3, 97 Woodberry Avenue, Harrow, HA2 6AY
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
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 Harrow
Other active building contractors registered in Harrow.
- Bura Carpentery & Joinery Ltd2018
- Buzzz City Rooms Ltd2021
- BVM Construction Limited2024
- Bygrid Construct Ltd2025
- C & A Contractor Limited2009
- C Birsan Ltd2021
- C I Patel and Sons Ltd2013
- C&M General Construction Ltd2025
All building contractors in Harrow · All trades in Harrow · Builders across the UK
Frequently asked questions
When are Buildwyn Ltd's accounts due?
Buildwyn Ltd's next accounts are due at Companies House by 19 March 2028 (in 524 days), covering the period to 30 June 2027.
When is Buildwyn 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 18 June 2027, due by 18 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Buildwyn Ltd still trading?
Buildwyn 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 Buildwyn Ltd do?
Buildwyn Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Buildwyn Ltd?
Buildwyn Ltd was incorporated on 19 June 2026, less than a year ago.
Who runs Buildwyn Ltd?
Buildwyn Ltd has 1 active director, the longest-serving appointed in Jun 2026. Their names and service addresses are on the Companies House register.
Who owns Buildwyn Ltd?
One person or company has significant control of Buildwyn Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Buildwyn 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 Buildwyn 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.