- Companies
- Plumbers and heating engineers
- Basingstoke
- Rossair Limited
Rossair Limited
- Company number
- 01151450
- Incorporated
- 14 Dec 197352 years trading
- Registered office
- Grosvenor House, Basing View, Basingstoke, Hampshire, RG21 4HG
- Nature of business
- Plumbing, heat and air-conditioning installation
Rossair Limited is a 52-year-old private limited company registered in Basingstoke, company number 01151450, one of 92 plumbing and heating companies in Basingstoke. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £268K (+36.3%) on the year before, to £1M.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £2.2M against £1.3M owed within a year: 1.7 times cover.
- 20 employees on average, up from 18 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £1M | £1M | £2.2M | £1.3M | 20 |
| 31 Dec 2024 | £737K | £274K | £2M | £1.4M | 18 |
| 31 Dec 2023 | £537K | £345K | £1.3M | £960K | 4 |
| 31 Dec 2022 | £577K | £416K | £1.5M | £988K | 4 |
| 31 Dec 2021 | £591K | £475K | £1.6M | £942K | 4 |
| 31 Dec 2020 | £341K | £619K | £1.9M | £1.5M | 32 |
| 31 Dec 2019 | -£259K | £162K | £1.8M | £2M | 32 |
| 31 Dec 2018 | £652K | £72K | £3M | £2.3M | 32 |
| 31 Dec 2017 | £1.2M | £492K | £2.8M | £1.6M | 30 |
| 31 Dec 2016 | £1.3M | £971K | £3.1M | £1.8M | 31 |
Public contracts won
Rossair Limited has 21 public sector contract awards on record; the ones with their own published value total £7.5M, from 2021 to 2026. Source: Contracts Finder and Find a Tender award notices. 4 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- NHS Property Services Limited13 awards
- NHS Property Services Limited7 awards
- Chichester College Group1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| NHS Property Services Limited | Replacement of boilers and associated works | £62K | 12 Jul 2026 |
| NHS Property Services Limited | Fleet Medical Centre Gravesend – Replacement of AC & POU Heaters | £374K | 7 May 2026 |
| NHS Property Services Limited | Boiler Replacement and Boiler Room Upgrade | £172K | 3 Mar 2026 |
| NHS Property Services Limited | Upgrade of Boiler | £75K | 27 Feb 2026 |
| NHS Property Services Limited | Abingdon Health Centre Boiler Replacement | £130K | 5 Jan 2026 |
| NHS Property Services Limited | Oaks Park Medical Centre - Installation of new VRF System with Acoustic Housing | £303K | 7 Dec 2025 |
| NHS Property Services Limited | Erith Health Centre – upgrade boiler plant room and ventilation upgrade | £651K | 19 Nov 2025 |
| NHS Property Services Limited | Wembley Centre for Health and Wellbeing Boiler Replacement | £2.9M | 23 Jan 2025 |
| Chichester College Group | RA340434 - Gym & Rm183 replacement Air Con | £12K | 9 Apr 2024 |
| NHS Property Services Limited | Dartford West Health Centre - Boiler Upgrade Scheme | £125K | 26 Feb 2024 |
Showing the 10 most recent of 21.
Where Rossair Limited is registered
The registered office is in Basingstoke (RG21), in the Basingstoke and Deane local authority area, South East. Show RG21 4HG on a map.
Other trade companies in RG21
- J.Lee Studios LtdMechanics and garages
- Jflow Heating LtdPlumbers and heating engineers
- Irinacleaning LtdCleaning companies
- Summit Auto Services LtdMotor traders
- Aza General LtdBuilders
- Anchor Access Group LimitedSpecialist contractors
- Hci Homes LtdFinishing trades
- V F Gasha LimitedProperty developers
Also registered at this address
1 other company uses the same registered office as Rossair Limited.
- Rossair Building Services LimitedPlumbers and heating engineers
What happens if Rossair 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 01151450
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 December 1973 (52 years ago)
- Registered office
- Grosvenor House, Basing View, Basingstoke, Hampshire, RG21 4HG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 11 October 2025
- Charges (mortgages)
- 0 outstanding of 2 registered
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 Basingstoke
Other active plumbing and heating companies registered in Basingstoke.
- Sas Plumbing & Heating Limited2006
- SBP & H (Kempshott) Ltd2025
- SCM Gas Ltd2022
- SCR Plumbing & Heating Ltd2015
- SM Plumbing Service Ltd.2016
- Sos Gas Plumbing & Heating Services Ltd2012
- Spiritus Technical Services Ltd2018
- Stickland Plumbing & Heating Ltd2019
All plumbing and heating companies in Basingstoke · All trades in Basingstoke · Plumbers and heating engineers across the UK
Frequently asked questions
When are Rossair Limited's accounts due?
Rossair Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Rossair Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Rossair Limited still trading?
Rossair 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 Rossair Limited do?
Rossair Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Rossair Limited?
Rossair Limited was incorporated on 14 December 1973, 52 years ago.
Has Rossair Limited won public sector contracts?
Yes. Rossair Limited has 21 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £7.5M), most recently from NHS Property Services Limited.
What is the penalty if Rossair 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 Rossair 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.