- Companies
- Plumbers and heating engineers
- Attleborough
- Finn Geotherm UK Limited
Finn Geotherm UK Limited
- Company number
- 05978295
- Incorporated
- 25 Oct 200619 years trading
- Registered office
- Wood Farm, Deopham Road, Attleborough, Norfolk, NR17 1AJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Finn Geotherm UK Limited is a 19-year-old private limited company registered in Attleborough, company number 05978295, one of 10 plumbing and heating companies in Attleborough. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £7,835 (+2%) on the year before, to £395K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £510K against £483K owed within a year: 1.1 times cover.
- 19 employees on average during the year.
- 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 Oct 2025 | £395K | £159K | £510K | £483K | 19 |
| 31 Oct 2024 | £387K | £66 | £312K | £291K | 19 |
| 31 Oct 2023 | £438K | £66 | £331K | £235K | 21 |
| 31 Oct 2022 | £349K | £238K | £377K | £363K | 23 |
| 31 Oct 2021 | £312K | £308K | £594K | £487K | 18 |
| 31 Oct 2020 | £286K | £142K | £346K | £141K | 18 |
| 31 Oct 2019 | £318K | £593K | £597K | 19 | |
| 31 Oct 2018 | £267K | £0 | £108K | £159K | |
| 31 Oct 2017 | £290K | £123K | £293K | £320K | |
| 31 Oct 2016 | £301K | £94K | £280K | £285K |
Public contracts won
Finn Geotherm UK Limited has 6 public sector contract awards on record; the ones with their own published value total £1.3M, from 2018 to 2025. Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Imperial War Museums1 award
- Lee Valley Regional Park Authority1 award
- South Norfolk District Council1 award
- Breckland District Council1 award
- West Suffolk Council1 award
Where Finn Geotherm UK Limited is registered
The registered office is in Attleborough (NR17), in the Breckland local authority area, East of England. Show NR17 1AJ on a map.
Other trade companies in NR17
- P Richmond & Son LtdPlumbers and heating engineers
- Ebs Motors LtdMotor traders
- Nklean Commercial Cleaning LtdCleaning companies
- Reno Developments LtdInstallers
- Jut Property LtdFinishing trades
- Renaldo Fit Out LtdInstallers
- Sjetec Engineers LtdCivil engineering
- Gen B Construction LtdInstallers
What happens if Finn Geotherm UK 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 05978295
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 2006 (19 years ago)
- Registered office
- Wood Farm, Deopham Road, Attleborough, Norfolk, NR17 1AJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 25 October 2025
- Charges (mortgages)
- 2 outstanding of 5 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 Attleborough
Other active plumbing and heating companies registered in Attleborough.
- Haynes & Frost Limited2016
- Hilton Heating (Norfolk) Ltd2022
- Jae Heating Solutions Ltd2024
- P Richmond & Son Ltd2026
- S Coaker Heating Ltd2019
- The Elf Group Limited2016
- Turner Gas Plus Limited2012
- Adapt4Life Limited2025
All plumbing and heating companies in Attleborough · All trades in Attleborough · Plumbers and heating engineers across the UK
Frequently asked questions
When are Finn Geotherm UK Limited's accounts due?
Finn Geotherm UK Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Finn Geotherm UK Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Finn Geotherm UK Limited still trading?
Finn Geotherm UK 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 Finn Geotherm UK Limited do?
Finn Geotherm UK Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Finn Geotherm UK Limited?
Finn Geotherm UK Limited was incorporated on 25 October 2006, 19 years ago.
Has Finn Geotherm UK Limited won public sector contracts?
Yes. Finn Geotherm UK Limited has 6 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.3M), most recently from Imperial War Museums.
What is the penalty if Finn Geotherm UK 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 Finn Geotherm UK 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.