- Companies
- Plumbers and heating engineers
- Swanley Village
- SM Ventilation Specialists Limited
SM Ventilation Specialists Limited
- Company number
- 15594436
- Incorporated
- 26 Mar 20242 years trading
- Registered office
- The Old Barn, Off Wood Street, Swanley Village, Kent, BR8 7PA
- Nature of business
- Plumbing, heat and air-conditioning installation
SM Ventilation Specialists Limited is a 2-year-old private limited company registered in Swanley Village, company number 15594436, one of 6 plumbing and heating companies in Swanley Village. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £6,116 (+73.3%) on the year before, to £14K.
- Current assets of £27K against £13K owed within a year: 2.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £14K | £885 | £27K | £13K | 2 |
| 31 Mar 2025 | £8,341 | £12 | £16K | £8,964 | 2 |
Who runs and owns SM Ventilation Specialists Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** S*** | Director | Mar 2024 |
Person with significant control
Where SM Ventilation Specialists Limited is registered
The registered office is in Swanley Village (BR8), in the Sevenoaks local authority area, South East. Show BR8 7PA on a map.
Other trade companies in BR8
- S.P.M (South East) LtdPlumbers and heating engineers
- Omnidrive Motors LtdMotor traders
- Epx Resins LtdFloor and wall tilers
- SLC Contractors Ltd LtdBuilders
- Build and Beyond CX Consulting LimitedFinishing trades
- Roostanproperty LtdProperty developers
- HL Contract Cleaning Services LtdMechanics and garages
- Fasteasycar LtdMotor traders
Shared registered office
264 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 SM Ventilation Specialists Limited 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 15594436
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 March 2024 (2 years ago)
- Registered office
- The Old Barn, Off Wood Street, Swanley Village, Kent, BR8 7PA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 25 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 Swanley Village
Other active plumbing and heating companies registered in Swanley Village.
- Sol - Air Environmental Services Limited1984
- BDG Plumbing & Heating Limited2019
- C E M Mechanical Installations Limited2005
- Enviroair Air Conditioning Services Limited2012
- MW Bathrooms Limited2018
All plumbing and heating companies in Swanley Village · All trades in Swanley Village · Plumbers and heating engineers across the UK
Frequently asked questions
When are SM Ventilation Specialists Limited's accounts due?
SM Ventilation Specialists Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is SM Ventilation Specialists Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is SM Ventilation Specialists Limited still trading?
SM Ventilation Specialists Limited 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 SM Ventilation Specialists Limited do?
SM Ventilation Specialists Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is SM Ventilation Specialists Limited?
SM Ventilation Specialists Limited was incorporated on 26 March 2024, 2 years ago.
Who runs SM Ventilation Specialists Limited?
SM Ventilation Specialists Limited has 1 active director, the longest-serving appointed in Mar 2024. Their names and service addresses are on the Companies House register.
Who owns SM Ventilation Specialists Limited?
One person or company has significant control of SM Ventilation Specialists Limited: an individual (owns 75% or more of the shares).
What is the penalty if SM Ventilation Specialists Limited 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 SM Ventilation Specialists Limited 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.