- Companies
- Builders
- Port Talbot
- KH Diamond Brickwork Ltd
KH Diamond Brickwork Ltd
- Company number
- 15137067
- Incorporated
- 13 Sep 20233 years trading
- Registered office
- 8 Bay View, Port Talbot, SA13 2ET
- Nature of business
- Construction of domestic buildings
KH Diamond Brickwork Ltd is a 3-year-old private limited company registered in Port Talbot, company number 15137067, one of 40 building contractors in Port Talbot. Companies House shows its accounts as overdue: they were due on 30 September 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2024
From the balance sheet at 30 September 2024, as filed at Companies House.
Where KH Diamond Brickwork Ltd is registered
The registered office is in Port Talbot (SA13), in the Neath Port Talbot local authority area, Wales. Show SA13 2ET on a map.
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Also registered at this address
2 other companies use the same registered office as KH Diamond Brickwork Ltd.
- Ash Dark Carpentry LtdBuilders
- Caerphilly Building&Landscaping Solutions LtdInstallers
What happens if KH Diamond Brickwork Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 15137067
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 September 2023 (3 years ago)
- Registered office
- 8 Bay View, Port Talbot, SA13 2ET
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2024
- Last confirmation statement
- 12 September 2025
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 Port Talbot
Other active building contractors registered in Port Talbot.
- Lcu Ltd2025
- M&J Monolith Construction Ltd2024
- Mabe Construction Ltd2025
- MG Bricklaying and Landscaping Ltd2025
- Moor Road (Baglan) Ltd2025
- Newton Down Estates Ltd2019
- Optigrid Interiors Limited2026
- Premier Builders (Port Talbot) Limited1996
All building contractors in Port Talbot · All trades in Port Talbot · Builders across the UK
Frequently asked questions
When are KH Diamond Brickwork Ltd's accounts due?
KH Diamond Brickwork Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is KH Diamond Brickwork 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 30 September 2025, due by 30 September 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is KH Diamond Brickwork Ltd still trading?
KH Diamond Brickwork Ltd is listed as active on the Companies House register (checked 12 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 KH Diamond Brickwork Ltd do?
KH Diamond Brickwork Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is KH Diamond Brickwork Ltd?
KH Diamond Brickwork Ltd was incorporated on 13 September 2023, 3 years ago.
What is the penalty if KH Diamond Brickwork 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 KH Diamond Brickwork Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.