- Companies
- Plumbers and heating engineers
- Kings Lynn
- Gaswise Services Limited
Gaswise Services Limited
- Company number
- 04009565
- Incorporated
- 7 Jun 200026 years trading
- Registered office
- Horsleys Fields, Kings Lynn, Norfolk, PE30 5DD
- Nature of business
- Plumbing, heat and air-conditioning installation
Gaswise Services Limited is a 26-year-old private limited company registered in Kings Lynn, company number 04009565, one of 12 plumbing and heating companies in Kings Lynn. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £190K (+36%) on the year before, to £717K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £1.3M against £725K owed within a year: 1.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £717K | £670K | £1.3M | £725K | 0 |
| 31 Mar 2025 | £527K | £417K | £909K | £503K | 0 |
| 30 Sep 2024 | £584K | £350K | £894K | £419K | 0 |
| 30 Sep 2023 | £375K | £352K | £615K | £372K | 0 |
| 30 Sep 2022 | £798K | £157K | £991K | £339K | 0 |
| 30 Sep 2021 | £731K | £543K | £1.1M | £565K |
Public contracts won
Gaswise Services Limited has 6 public sector contract awards on record; the ones with their own published value total £7.5M, from 2016 to 2025. Source: Contracts Finder and Find a Tender award notices. For 5 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Borough Council of King's Lynn & West Norfolk2 awards
- Freebridge Community Housing Limited1 award
- Peterborough City Council1 award
- LGSS Procurement on behalf of 3 District Councils in Cambridgeshire, including Cambs HIA.1 award
- Kings Lynn & West Norfolk Borough Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Borough Council of King's Lynn & West Norfolk | Care & Repair Aids & Adaptations Framework Agreement | Ceiling, not shown | 5 Feb 2025 |
| Borough Council of King's Lynn & West Norfolk | Care & Repair Aids & Adaptions Framework Agreement | Ceiling, not shown | 31 Dec 2020 |
| Freebridge Community Housing Limited | Inspection, Servicing, Maintenance & Installation of Heating Systems | £7.5M | 21 Apr 2020 |
| Peterborough City Council | Provision of Care & Repair Works and Services Peterborough City Council | Ceiling, not shown | 4 Dec 2018 |
| LGSS Procurement on behalf of 3 District Councils in Cambridgeshire, including Cambs HIA. | Adaptations Plus- framework for adaptations (construction and fixed housing equipment) in Cambridgeshire | Ceiling, not shown | 10 Apr 2017 |
| Kings Lynn & West Norfolk Borough Council | Aids & Adaptions Framework Agreement | Ceiling, not shown | 21 Dec 2016 |
Where Gaswise Services Limited is registered
The registered office is in Kings Lynn (PE30), in the King's Lynn and West Norfolk local authority area, East of England. Show PE30 5DD on a map.
Other trade companies in PE30
- Fishers Building Services LtdBuilders
- Meadowfields Holdings LimitedBuilders
- Gotsell Plastering & Property LimitedPlasterers
- Meadowvale Holdings LimitedBuilders
- K D Motor Traders LtdMotor traders
- Squeegeeright LimitedCleaning companies
- LS Building Developments LimitedBuilders
- JC Labour LtdInstallers
Also registered at this address
1 other company uses the same registered office as Gaswise Services Limited.
- Nune Properties LimitedBuilders
What happens if Gaswise Services 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 04009565
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 June 2000 (26 years ago)
- Registered office
- Horsleys Fields, Kings Lynn, Norfolk, PE30 5DD
- 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 2026
- Last confirmation statement
- 1 June 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 Kings Lynn
Other active plumbing and heating companies registered in Kings Lynn.
- Heatsync Limited2014
- Len Plain Limited2002
- MSB Heating & Plumbing Ltd2019
- Shaw Heat Ltd2025
- 4 Heat Limited2012
- Abbey Boilers & Heating Ltd2014
- Ahs (Norfolk) Limited2012
- Anglian Plumbing & Heating Limited2026
All plumbing and heating companies in Kings Lynn · All trades in Kings Lynn · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gaswise Services Limited's accounts due?
Gaswise Services Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Gaswise Services Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Gaswise Services Limited still trading?
Gaswise Services 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 Gaswise Services Limited do?
Gaswise Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gaswise Services Limited?
Gaswise Services Limited was incorporated on 7 June 2000, 26 years ago.
Has Gaswise Services Limited won public sector contracts?
Yes. Gaswise Services Limited has 6 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £7.5M), most recently from Borough Council of King's Lynn & West Norfolk.
What is the penalty if Gaswise Services 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 Gaswise Services 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.