- Companies
- Finishing trades
- Portland
- Portwave Building and Maintenance Ltd
Portwave Building and Maintenance Ltd
- Company number
- 16136260
- Incorporated
- 14 Dec 20241 year trading
- Registered office
- 55 Haylands, Portland, DT5 2LA
- Nature of business
- Other building completion and finishing
Portwave Building and Maintenance Ltd is a 1-year-old private limited company registered in Portland, company number 16136260, one of the UK's building finishing companies. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Who runs and owns Portwave Building and Maintenance Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| W*** T*** | Director | Dec 2024 |
Person with significant control
Where Portwave Building and Maintenance Ltd is registered
The registered office is in Portland (DT5), in the Dorset local authority area, South West. Show DT5 2LA on a map.
Other trade companies in DT5
- JLC Painting & Decorating LimitedPainters and decorators
- Exterior Cleaning Dorset LtdCleaning companies
- Crystal Coast Care and Cleaning LtdCleaning companies
- Macgregor's Plumbing, Heating & Gas LimitedPlumbers and heating engineers
- M & H Cleaning Services Portland LtdCleaning companies
- Portland Performance LtdMechanics and garages
- Dorset Dropped Kerb and Driveways LtdCivil engineering
- Davalan Properties LtdProperty developers
What happens if Portwave Building and Maintenance 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16136260
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 December 2024 (1 year ago)
- Registered office
- 55 Haylands, Portland, DT5 2LA
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 13 December 2025
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Portland
Other active building finishing companies registered in Portland.
All building finishing companies in Portland · All trades in Portland · Finishing trades across the UK
Frequently asked questions
When are Portwave Building and Maintenance Ltd's accounts due?
Portwave Building and Maintenance Ltd's next accounts are due at Companies House by 30 September 2027 (in 351 days), covering the period to 31 December 2026.
When is Portwave Building and Maintenance Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Portwave Building and Maintenance Ltd still trading?
Portwave Building and Maintenance 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 Portwave Building and Maintenance Ltd do?
Portwave Building and Maintenance Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Portwave Building and Maintenance Ltd?
Portwave Building and Maintenance Ltd was incorporated on 14 December 2024, 1 year ago.
Who runs Portwave Building and Maintenance Ltd?
Portwave Building and Maintenance Ltd has 1 active director, the longest-serving appointed in Dec 2024. Their names and service addresses are on the Companies House register.
Who owns Portwave Building and Maintenance Ltd?
One person or company has significant control of Portwave Building and Maintenance Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Portwave Building and Maintenance 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 Portwave Building and Maintenance 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.