- Companies
- Plumbers and heating engineers
- Borehamwood
- Atmosfair Ltd.
Atmosfair Ltd.
- Company number
- 12817499
- Incorporated
- 17 Aug 20206 years trading
- Registered office
- Limelight First Floor, Studio 3, Elstree Way, Borehamwood, Herts, WD6 1JH
- Nature of business
- Plumbing, heat and air-conditioning installation
Atmosfair Ltd. is a 6-year-old private limited company registered in Borehamwood, company number 12817499, one of 33 plumbing and heating companies in Borehamwood. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £10K (+55.7%) on the year before, to £28K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £62K against £56K owed within a year: 1.1 times cover.
- 4 employees on average, down from 5 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £28K | £30K | £62K | £56K | 4 |
| 30 Sep 2024 | £18K | £7,780 | £62K | £67K | 5 |
| 30 Sep 2023 | £16K | £56K | £46K | 3 | |
| 30 Sep 2022 | £35K | £68K | £39K | 1 | |
| 30 Sep 2021 | £14K | £16K | £6,133 | 1 |
Where Atmosfair Ltd. is registered
The registered office is in Borehamwood (WD6), in the Hertsmere local authority area, East of England. Show WD6 1JH on a map.
Other trade companies in WD6
- Blackstone Builders LtdBuilders
- Clements Hall (Contracts) LtdFloor and wall tilers
- P & P Roofing & Guttering LimitedProperty developers
- Stern Landscaping LtdLandscapers and gardeners
- Complete Paint & Decor LtdPainters and decorators
- 1ST Response Plumbing and Heating LimitedPlumbers and heating engineers
- Ideal Casa Construction LtdInstallers
- Gallop Construction LimitedBuilders
Also registered at this address
3 other companies use the same registered office as Atmosfair Ltd..
- Acme Construction Group LimitedBuilders
- City & County (2019) LimitedProperty developers
- Milesbetter Electrical Services LtdElectricians
What happens if Atmosfair 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 12817499
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 August 2020 (6 years ago)
- Registered office
- Limelight First Floor, Studio 3, Elstree Way, Borehamwood, Herts, WD6 1JH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 31 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 Borehamwood
Other active plumbing and heating companies registered in Borehamwood.
- Blue Water Renewables Ltd2022
- Blue Water Systems Limited2012
- Cool Gas Air Conditioning Ltd2019
- Cool Sky Air Conditioning Ltd2023
- D P Plumbing & Gas Ltd2023
- Danflo Ltd2022
- Everest Air Conditioning Services Ltd2024
- FPF Utilities Limited2012
All plumbing and heating companies in Borehamwood · All trades in Borehamwood · Plumbers and heating engineers across the UK
Frequently asked questions
When are Atmosfair Ltd.'s accounts due?
Atmosfair Ltd.'s next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Atmosfair Ltd.'s CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Atmosfair Ltd. still trading?
Atmosfair 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 Atmosfair Ltd. do?
Atmosfair Ltd. is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Atmosfair Ltd.?
Atmosfair Ltd. was incorporated on 17 August 2020, 6 years ago.
What is the penalty if Atmosfair 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 Atmosfair 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.