- Companies
- Specialist contractors
- Wellingborough
- Spectrum Fire (UK) Limited
Spectrum Fire (UK) Limited
- Company number
- 04820855
- Incorporated
- 4 Jul 200323 years trading
- Registered office
- Belgrade Business Centre Denington Road, Denington Industrial Estate, Wellingborough, NN8 2QH
- Nature of business
- Other specialised construction activities n.e.c.; Security systems service activities
Spectrum Fire (UK) Limited is a 23-year-old private limited company registered in Wellingborough, company number 04820855, one of 75 specialist construction companies in Wellingborough. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Spectrum Fire (UK) LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 down £104K (-16.9%) on the year before, to £511K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £724K against £504K owed within a year: 1.4 times cover.
- 21 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 Mar 2025 | £511K | £270K | £724K | £504K | 21 |
| 31 Mar 2024 | £615K | £403K | £887K | £552K | 21 |
| 31 Mar 2023 | £655K | £499K | £832K | £382K | 17 |
| 31 Mar 2022 | £464K | £369K | £674K | £406K | 13 |
| 31 Mar 2021 | £458K | £476K | £821K | £361K | 15 |
| 31 Mar 2020 | £388K | £242K | £487K | £299K | 15 |
| 31 Mar 2019 | £330K | £108K | £425K | £299K | 13 |
| 31 Mar 2018 | £316K | £120K | £374K | £274K | 12 |
| 31 Mar 2017 | £263K | £84K | £268K | £231K | 12 |
| 31 Mar 2016 | £361K | £96K | £326K | £216K |
Where Spectrum Fire (UK) Limited is registered
The registered office is in Wellingborough (NN8), in the North Northamptonshire local authority area, East Midlands. Show NN8 2QH on a map.
Other trade companies in NN8
- Coral Recovery LtdMechanics and garages
- Agolli Construction LtdCivil engineering
- Everyguard Property Maintenance LtdBuilders
- Phoenix Exterior Cleaning LtdCleaning companies
- Richservices11 LtdBuilders
- D A Paving LtdFinishing trades
- Id Construction and Renovation Services LtdBuilders
- LS Roofing LtdRoofers
What happens if Spectrum Fire (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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 04820855
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 July 2003 (23 years ago)
- Registered office
- Belgrade Business Centre Denington Road, Denington Industrial Estate, Wellingborough, NN8 2QH
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Security systems service activities (SIC 80200) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 4 July 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Wellingborough
Other active specialist construction companies registered in Wellingborough.
- Sticks Ltd1996
- Street Energy (Holdings) Limited2013
- Titans Royale Limited2018
- Titans Siting & Transport Limited2006
- Total Hoist Services Ltd2014
- Western Rhino Joinery Ltd2024
- Westway Civils Ltd2020
- Zupcsek Construct Ltd2016
All specialist construction companies in Wellingborough · All trades in Wellingborough · Specialist contractors across the UK
Frequently asked questions
When are Spectrum Fire (UK) Limited's accounts due?
Spectrum Fire (UK) Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Spectrum Fire (UK) Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Spectrum Fire (UK) Limited still trading?
Spectrum Fire (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 Spectrum Fire (UK) Limited do?
Spectrum Fire (UK) Limited is registered under Other specialised construction activities n.e.c. (SIC 43999); Security systems service activities (SIC 80200).
How old is Spectrum Fire (UK) Limited?
Spectrum Fire (UK) Limited was incorporated on 4 July 2003, 23 years ago.
What is the penalty if Spectrum Fire (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 Spectrum Fire (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.