- Companies
- Plumbers and heating engineers
- Swindon
- Atwoair Limited
Atwoair Limited
- Company number
- 17285310
- Incorporated
- 19 Jun 2026
- Registered office
- Calcutt Court, Calcutt, Swindon, SN6 6JR
- Nature of business
- Plumbing, heat and air-conditioning installation
Atwoair Limited is a newly incorporated private limited company registered in Swindon, company number 17285310, one of 164 plumbing and heating companies in Swindon. Its next accounts are due at Companies House on 19 March 2028, and its first CT600 is due at HMRC on 18 June 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?
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Where Atwoair Limited is registered
The registered office is in Swindon (SN6), in the Wiltshire local authority area, South West. Show SN6 6JR on a map.
Other trade companies in SN6
- Rsmcar Repairs LtdMechanics and garages
- Ogilvie Hughes Electrical LtdElectricians
- Nelson Home Improvements LtdRoofers
- Callum Gibbs Plumbing and Heating LtdPlumbers and heating engineers
- Hampton Developments (Blunsdon) LimitedProperty developers
- Mays Property Group LtdProperty developers
- Cotswold Trade Centre LimitedProperty developers
- MR J40 Pedal Cars LtdMotor traders
Also registered at this address
2 other companies use the same registered office as Atwoair Limited.
- Cotswold Trade Centre LimitedProperty developers
- J16 Trade Centre LtdProperty developers
What happens if Atwoair 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 19 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Mar 2028 to 19 Apr 2028 | £150 |
| 1 to 3 months late | 20 Apr 2028 to 19 Jun 2028 | £375 |
| 3 to 6 months late | 20 Jun 2028 to 19 Sep 2028 | £750 |
| More than 6 months late | From 20 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17285310
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 June 2026
- Registered office
- Calcutt Court, Calcutt, Swindon, SN6 6JR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (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 Swindon
Other active plumbing and heating companies registered in Swindon.
- Austin (Heating & Air Conditioning) Limited1974
- Axis Maintenance Services UK Limited2006
- Axis Special Projects Limited2009
- B.J.S. Gas Appliance Centre, Heating & Plumbing Limited2004
- Barron Heating Limited2002
- Bema 1983 Heat Pumps Limited2026
- Bennett & Sons Plumbing Limited2025
- BP&H Ltd2024
All plumbing and heating companies in Swindon · All trades in Swindon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Atwoair Limited's accounts due?
Atwoair Limited's next accounts are due at Companies House by 19 March 2028 (in 523 days), covering the period to 30 June 2027.
When is Atwoair Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 18 June 2027, due by 18 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Atwoair Limited still trading?
Atwoair 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 Atwoair Limited do?
Atwoair Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Atwoair Limited?
Atwoair Limited was incorporated on 19 June 2026, less than a year ago.
What is the penalty if Atwoair 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 Atwoair 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.