- Companies
- Plumbers and heating engineers
- Brentwood
- RS Air Conditioning Ltd
RS Air Conditioning Ltd
- Company number
- 14247185
- Incorporated
- 20 Jul 20224 years trading
- Registered office
- 7 Kelvedon Green, Kelvedon Hatch, Brentwood, CM15 0XG
- Nature of business
- Plumbing, heat and air-conditioning installation
RS Air Conditioning Ltd is a 4-year-old private limited company registered in Brentwood, company number 14247185, one of 84 plumbing and heating companies in Brentwood. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £40K on the year before, to £37K.
- Current assets of £39K against £2,701 owed within a year: more than 10 times cover.
- 2 employees on average, up from 0 the year before.
- 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 Mar 2025 | £37K | £1,038 | £39K | £2,701 | 2 |
| 31 Mar 2024 | -£3,048 | £301 | £639 | £3,687 | 0 |
| 31 Jul 2023 | £2 | 0 |
Where RS Air Conditioning Ltd is registered
The registered office is in Brentwood (CM15), in the Brentwood local authority area, East of England. Show CM15 0XG on a map.
Other trade companies in CM15
- JJ Freeman Construction LtdGroundworks and demolition
- Sky Loft London LtdFinishing trades
- LDN Systems LtdRoofers
- LDN Traditional Roofing LtdRoofers
- Reactive Roofers LtdRoofers
- K.Fire.Safety LtdElectricians
- Elevation Roofing Group LimitedRoofers
- Krosshatch Creative Concepts LimitedProperty developers
Also registered at this address
2 other companies use the same registered office as RS Air Conditioning Ltd.
- Barrett Environmental Services LimitedPlumbers and heating engineers
- D & B Renovations LimitedProperty developers
What happens if RS Air Conditioning 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 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
- 14247185
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 July 2022 (4 years ago)
- Registered office
- 7 Kelvedon Green, Kelvedon Hatch, Brentwood, CM15 0XG
- 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 2025
- Last confirmation statement
- 19 July 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 Brentwood
Other active plumbing and heating companies registered in Brentwood.
- Ryt-Source Mechanical Ltd2024
- Simply Air Conditioning & Heating Limited2021
- SJB Mechanical & Building Services Limited2009
- South East Ducting Solutions Ltd2021
- South Essex Plumbing and Heating Limited2022
- SS Top Trade Ltd2023
- Synergy 7 Group Ltd1997
- T. M. S. Mechanical Services Limited2018
All plumbing and heating companies in Brentwood · All trades in Brentwood · Plumbers and heating engineers across the UK
Frequently asked questions
When are RS Air Conditioning Ltd's accounts due?
RS Air Conditioning Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is RS Air Conditioning Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is RS Air Conditioning Ltd still trading?
RS Air Conditioning 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 RS Air Conditioning Ltd do?
RS Air Conditioning Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is RS Air Conditioning Ltd?
RS Air Conditioning Ltd was incorporated on 20 July 2022, 4 years ago.
What is the penalty if RS Air Conditioning 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 RS Air Conditioning 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.