- Companies
- Plumbers and heating engineers
- London
- SDB HVAC Services Ltd
SDB HVAC Services Ltd
- Company number
- 14126966
- Incorporated
- 24 May 20224 years trading
- Registered office
- First Floor Office, 3 Hornton Place, London, W8 4LZ
- Nature of business
- Plumbing, heat and air-conditioning installation
SDB HVAC Services Ltd is a 4-year-old private limited company registered in London, company number 14126966, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £1,861 (+6.9%) on the year before, to £29K.
- Current assets of £19K against £2,140 owed within a year: 9.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £29K | £19K | £2,140 | 1 | |
| 31 May 2024 | £27K | £20K | £3,583 | 1 | |
| 31 May 2023 | £17K | £30K | £13K | 1 |
Where SDB HVAC Services Ltd is registered
The registered office is in London (W8), in the Kensington and Chelsea local authority area, London. Show W8 4LZ on a map.
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- Crimson Re Developments LtdBuilders
- Heaven Builders LimitedProperty developers
Shared registered office
63 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 SDB HVAC Services 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 14126966
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 May 2022 (4 years ago)
- Registered office
- First Floor Office, 3 Hornton Place, London, W8 4LZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 23 May 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 London
Other active plumbing and heating companies registered in London.
- SDC Heating and Plumbing Ltd2019
- Sde 2023 Ltd2023
- Se Heating and Plumbing Service Ltd2021
- Seal Island Kitchen and Bathrooms Ltd2024
- Seasonal Bliss CC Ltd2025
- Secure Eco Installers Ltd2025
- Secure Plumbing and Heating Services Ltd2025
- Secure Plumbing Solutions Ltd2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are SDB HVAC Services Ltd's accounts due?
SDB HVAC Services Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is SDB HVAC Services Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is SDB HVAC Services Ltd still trading?
SDB HVAC Services 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 SDB HVAC Services Ltd do?
SDB HVAC Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is SDB HVAC Services Ltd?
SDB HVAC Services Ltd was incorporated on 24 May 2022, 4 years ago.
What is the penalty if SDB HVAC Services 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 SDB HVAC Services 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.