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- Southampton
- Addy Home Improvements Ltd
Addy Home Improvements Ltd
- Company number
- 15347617
- Incorporated
- 13 Dec 20232 years trading
- Registered office
- 175 Leaside Way, Southampton, SO16 3EP
- Nature of business
- Construction of domestic buildings; Joinery installation; Other building completion and finishing; Other specialised construction activities n.e.c.
Addy Home Improvements Ltd is a 2-year-old private limited company registered in Southampton, company number 15347617, one of 491 building contractors in Southampton. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Addy Home Improvements Ltd is registered
The registered office is in Southampton (SO16), in the Southampton local authority area, South East. Show SO16 3EP on a map.
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What happens if Addy Home 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15347617
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 December 2023 (2 years ago)
- Registered office
- 175 Leaside Way, Southampton, SO16 3EP
- Nature of business
- Construction of domestic buildings (SIC 41202)
Joinery installation (SIC 43320)
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 21 July 2026
- Previous names
- Calluna Building Services Ltd (until 1 Aug 2024)
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 Southampton
Other active building contractors registered in Southampton.
- Adrian Concept Construction Ltd2026
- Affordable Doors and Windows Ltd2026
- Ag GR Flooring Limited2014
- Agm Brickwork & Construction Limited2024
- Ahmen Ltd2026
- Aj Builder Service Ltd2026
- Ajm Bespoke Builds Ltd2022
- Ak Facades Ltd2025
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Frequently asked questions
When are Addy Home Improvements Ltd's accounts due?
Addy Home Improvements Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Addy Home 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Addy Home Improvements Ltd still trading?
Addy Home Improvements 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 Addy Home Improvements Ltd do?
Addy Home Improvements Ltd is registered under Construction of domestic buildings (SIC 41202); Joinery installation (SIC 43320); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is Addy Home Improvements Ltd?
Addy Home Improvements Ltd was incorporated on 13 December 2023, 2 years ago.
What is the penalty if Addy Home 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 Addy Home Improvements 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.