- Companies
- Plumbers and heating engineers
- Wimborne
- Add Heat Ltd
Add Heat Ltd
- Company number
- 16307092
- Incorporated
- 11 Mar 20251 year trading
- Registered office
- 7 Wayground Road, Corfe Mullen, Wimborne, BH21 3ED
- Nature of business
- Plumbing, heat and air-conditioning installation
Add Heat Ltd is a 1-year-old private limited company registered in Wimborne, company number 16307092, one of 56 plumbing and heating companies in Wimborne. Its next accounts are due at Companies House on 11 December 2026, and its first CT600 is due at HMRC on 10 March 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Add Heat LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Add Heat Ltd is registered
The registered office is in Wimborne (BH21), in the Dorset local authority area, South West. Show BH21 3ED on a map.
Other trade companies in BH21
- Highfield Venture LtdProperty developers
- The Knoll Venture LtdProperty developers
- MSGL Consultancy LtdProperty developers
- The Multi-Storey Group LtdProperty developers
- Oktay Shield Solutions LtdFinishing trades
- Green Space Grounds Care LtdLandscapers and gardeners
- Naku Developments LimitedProperty developers
- LFB Carpentry LimitedJoiners and carpenters
What happens if Add Heat 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 11 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Dec 2026 to 11 Jan 2027 | £150 |
| 1 to 3 months late | 12 Jan 2027 to 11 Mar 2027 | £375 |
| 3 to 6 months late | 12 Mar 2027 to 11 Jun 2027 | £750 |
| More than 6 months late | From 12 Jun 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
- 16307092
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2025 (1 year ago)
- Registered office
- 7 Wayground Road, Corfe Mullen, Wimborne, BH21 3ED
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 10 March 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Wimborne
Other active plumbing and heating companies registered in Wimborne.
- Adl Plumbing Ltd.2007
- All Counties Climate Ltd2026
- Andrew Coombs (Gas Engineer) Limited2008
- Bare Necessities Boiler Care Limited2018
- Bespoke Bath and Steam Room Installations Ltd2024
- BH Aquagas Ltd2025
- Bhplumbtech Ltd2024
- Big Little Spaces Limited2026
All plumbing and heating companies in Wimborne · All trades in Wimborne · Plumbers and heating engineers across the UK
Frequently asked questions
When are Add Heat Ltd's accounts due?
Add Heat Ltd's next accounts are due at Companies House by 11 December 2026 (in 59 days), covering the period to 31 March 2026.
When is Add Heat 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 10 March 2026, due by 10 March 2027, 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 Add Heat Ltd still trading?
Add Heat 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 Add Heat Ltd do?
Add Heat Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Add Heat Ltd?
Add Heat Ltd was incorporated on 11 March 2025, 1 year ago.
What is the penalty if Add Heat 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 Add Heat 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.