- Companies
- Plumbers and heating engineers
- Sevenoaks
- South East HVAC Design & Installations Ltd
South East HVAC Design & Installations Ltd
- Company number
- 17251184
- Incorporated
- 31 May 2026
- Registered office
- Ground Floor, 108-112 Main Road, Sundridge, Sevenoaks, TN14 6ES
- Nature of business
- Plumbing, heat and air-conditioning installation
South East HVAC Design & Installations Ltd is a newly incorporated private limited company registered in Sevenoaks, company number 17251184, one of 60 plumbing and heating companies in Sevenoaks. Its next accounts are due at Companies House on 29 February 2028, and its first CT600 is due at HMRC on 30 May 2028.
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 South East HVAC Design & Installations 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 South East HVAC Design & Installations Ltd is registered
The registered office is in Sevenoaks (TN14), in the Sevenoaks local authority area, South East. Show TN14 6ES on a map.
Other trade companies in TN14
- Hawkers Aviation LimitedMachinery repair and installation
- Ceclean LtdMechanics and garages
- Fortress Roofing and Developments LtdRoofers
- Pivot and Jewels LtdRepair services
- MT Roofing and Damp Proofing LtdRoofers
- Goliath Group London LtdProperty developers
- Rel Home Care Services LtdCleaning companies
- UK Portfolioworks LtdProperty developers
Also registered at this address
6 other companies use the same registered office as South East HVAC Design & Installations Ltd.
- Bouw Consultancy LtdInstallers
- Car Forensics LtdMotor traders
- Cobral Cleaning Services LtdCleaning companies
- Golden Key UK Construction LtdBuilders
- Kent Fencing and Landscaping LtdFinishing trades
- M T Metalcraft LtdInstallers
What happens if South East HVAC Design & Installations 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17251184
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 May 2026
- Registered office
- Ground Floor, 108-112 Main Road, Sundridge, Sevenoaks, TN14 6ES
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
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 Sevenoaks
Other active plumbing and heating companies registered in Sevenoaks.
- Square Mechanical Ltd2023
- T.D. Geer Limited2004
- Tap in Plumbing Ltd2026
- Thames Heating Limited2001
- TJD Plumbing Heating & Gas Ltd2012
- Tolley and Littlewood Limited1959
- Vision Plumbing Limited2018
- VMF Heating & Plumbing Limited2020
All plumbing and heating companies in Sevenoaks · All trades in Sevenoaks · Plumbers and heating engineers across the UK
Frequently asked questions
When are South East HVAC Design & Installations Ltd's accounts due?
South East HVAC Design & Installations Ltd's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is South East HVAC Design & Installations 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 30 May 2027, due by 30 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is South East HVAC Design & Installations Ltd still trading?
South East HVAC Design & Installations 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 South East HVAC Design & Installations Ltd do?
South East HVAC Design & Installations Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is South East HVAC Design & Installations Ltd?
South East HVAC Design & Installations Ltd was incorporated on 31 May 2026, less than a year ago.
What is the penalty if South East HVAC Design & Installations 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 South East HVAC Design & Installations 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.