- Companies
- Plumbers and heating engineers
- Sidcup
- HVAC Testing and Balancing Limited
HVAC Testing and Balancing Limited
- Company number
- 14671317
- Incorporated
- 17 Feb 20233 years trading
- Registered office
- 12 Hatherley Road, Sidcup, DA14 4DT
- Nature of business
- Plumbing, heat and air-conditioning installation
HVAC Testing and Balancing Limited is a 3-year-old private limited company registered in Sidcup, company number 14671317, one of 101 plumbing and heating companies in Sidcup. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the 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 HVAC Testing and Balancing LimitedOr 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.
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 £31K (+83.2%) on the year before, to £68K.
- Current assets of £83K against £20K owed within a year: 4.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £68K | £65K | £83K | £20K | 1 |
| 30 Apr 2025 | £37K | £34K | £52K | £17K | 1 |
| 30 Apr 2024 | £11K | £6,047 | £12K | £4,083 | 1 |
Where HVAC Testing and Balancing Limited is registered
The registered office is in Sidcup (DA14), in the Bexley local authority area, London. Show DA14 4DT on a map.
Other trade companies in DA14
- Evlor LtdElectricians
- Pfe Services LimitedElectricians
- CJM Property Services LimitedFinishing trades
- Top Local Trader LtdBuilders
- Bassett Electrical Group LimitedElectricians
- Flatline Flooring LtdFloor and wall tilers
- LDT Service's LimitedScaffolders
- Old Maidstone Road Hand Car Wash LtdMechanics and garages
Shared registered office
427 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 HVAC Testing and Balancing 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 14671317
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 February 2023 (3 years ago)
- Registered office
- 12 Hatherley Road, Sidcup, DA14 4DT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 16 February 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 Sidcup
Other active plumbing and heating companies registered in Sidcup.
- Icf Plumbing and Heating Limited2012
- J & K Plumbing & Heating Ltd2005
- J D M Plumbing Services Limited2025
- J Kennor Plumbing Limited2026
- J. R. Bilke & Sons Limited2003
- James & Sons Plumbing and Heating Limited2009
- James Wright Heating Services Ltd2022
- JJS Air Conditioning Limited2015
All plumbing and heating companies in Sidcup · All trades in Sidcup · Plumbers and heating engineers across the UK
Frequently asked questions
When are HVAC Testing and Balancing Limited's accounts due?
HVAC Testing and Balancing Limited's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is HVAC Testing and Balancing Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is HVAC Testing and Balancing Limited still trading?
HVAC Testing and Balancing 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 HVAC Testing and Balancing Limited do?
HVAC Testing and Balancing Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is HVAC Testing and Balancing Limited?
HVAC Testing and Balancing Limited was incorporated on 17 February 2023, 3 years ago.
What is the penalty if HVAC Testing and Balancing 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 HVAC Testing and Balancing 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.