- Companies
- Joiners and carpenters
- Dundee
- Wave Improvements Ltd
Wave Improvements Ltd
- Company number
- SC864153
- Incorporated
- 25 Sep 20251 year trading
- Registered office
- 58 Long Lane, Broughty Ferry, Dundee, DD5 1HH
- Nature of business
- Joinery installation
Wave Improvements Ltd is a 1-year-old private limited company registered in Dundee, company number SC864153, one of 127 joinery companies in Dundee. Its next accounts are due at Companies House on 25 June 2027, and its first CT600 is due at HMRC on 24 September 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.
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Where Wave Improvements Ltd is registered
The registered office is in Dundee (DD5), in the Dundee City local authority area, Scotland. Show DD5 1HH on a map.
Other trade companies in DD5
- Hanna Landworks LimitedLandscapers and gardeners
- Mitchill Ice Blasting LtdCleaning companies
- Flexible Surface Specialist LtdCivil engineering
- LH Plumbing & Heating (Dundee) LtdPlumbers and heating engineers
- Kmy Roofing & Maintenace LtdRoofers
- Kinneuchar Garden Services LtdLandscapers and gardeners
- Adielson LtdMechanics and garages
- Amber Glow Cleaning Services LtdCleaning companies
Shared registered office
83 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Wave Improvements 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 25 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Jun 2027 to 25 Jul 2027 | £150 |
| 1 to 3 months late | 26 Jul 2027 to 25 Sep 2027 | £375 |
| 3 to 6 months late | 26 Sep 2027 to 25 Dec 2027 | £750 |
| More than 6 months late | From 26 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- SC864153
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 September 2025 (1 year ago)
- Registered office
- 58 Long Lane, Broughty Ferry, Dundee, DD5 1HH
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Previous names
- Surefit Dundee Ltd (until 3 Oct 2025)
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Dundee
Other active joinery companies registered in Dundee.
- Yellow Dot Interiors Ltd2026
- Zender Integrated Services Limited2026
- 60 Mile Orchy Ltd2024
- A&B Joiners Ltd2017
- A&Z Joinery & Property Services Ltd2025
- A-Class Glass and Joinery Ltd2019
- Aliko Ltd2021
- Allan Brown All Trades Ltd2023
All joinery companies in Dundee · All trades in Dundee · Joiners and carpenters across the UK
Frequently asked questions
When are Wave Improvements Ltd's accounts due?
Wave Improvements Ltd's next accounts are due at Companies House by 25 June 2027 (in 256 days), covering the period to 30 September 2026.
When is Wave Improvements 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 24 September 2026, due by 24 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Wave Improvements Ltd still trading?
Wave Improvements 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 Wave Improvements Ltd do?
Wave Improvements Ltd is registered under Joinery installation (SIC 43320).
How old is Wave Improvements Ltd?
Wave Improvements Ltd was incorporated on 25 September 2025, 1 year ago.
What is the penalty if Wave Improvements 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 Wave Improvements 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.