- Companies
- Plumbers and heating engineers
- Croydon
- Wiltons Insulation Flues & Chimneys Limited
Wiltons Insulation Flues & Chimneys Limited
- Company number
- 03257258
- Incorporated
- 1 Oct 199630 years trading
- Registered office
- Unit 6, Spitfire Business Park, 1, Hawker Road, Croydon, Surrey, CR0 4WD
- Nature of business
- Plumbing, heat and air-conditioning installation
Wiltons Insulation Flues & Chimneys Limited is a 30-year-old private limited company registered in Croydon, company number 03257258, one of 122 plumbing and heating companies in Croydon. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £105K (+186.8%) on the year before, to £161K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £974K against £827K owed within a year: 1.2 times cover.
- 12 employees on average, up from 11 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 Aug 2025 | £161K | £609K | £974K | £827K | 12 |
| 31 Aug 2024 | £56K | £142K | £519K | £474K | 11 |
| 31 Aug 2023 | £206K | £0 | £607K | £407K | 6 |
| 31 Aug 2022 | £266K | £1,319 | £901K | £639K | 11 |
| 31 Aug 2021 | £269K | £43K | £464K | £200K | 11 |
| 31 Aug 2020 | £273K | £137K | £732K | £460K | 2 |
| 31 Aug 2019 | £77K | £52K | £814K | £737K | |
| 31 Aug 2018 | £11K | £1,402 | £417K | £405K | |
| 31 Aug 2017 | £101K | £1,402 | £423K | £322K | |
| 31 Aug 2016 | £52K | £1,402 | £346K | £294K |
Where Wiltons Insulation Flues & Chimneys Limited is registered
The registered office is in Croydon (CR0), in the Croydon local authority area, London. Show CR0 4WD on a map.
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- Diyour-Self LtdFloor and wall tilers
- Premier Kitchen Installations LimitedJoiners and carpenters
- VR1 Construct LtdBuilders
- Simply Exterior Solutions LimitedCleaning companies
- Kok Cons LtdBuilders
Also registered at this address
1 other company uses the same registered office as Wiltons Insulation Flues & Chimneys Limited.
- Wiltons Building Services LtdInstallers
What happens if Wiltons Insulation Flues & Chimneys 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 03257258
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 October 1996 (30 years ago)
- Registered office
- Unit 6, Spitfire Business Park, 1, Hawker Road, Croydon, Surrey, CR0 4WD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 28 September 2026
- Charges (mortgages)
- 1 outstanding of 2 registered
- Previous names
- Wiltons Chimney and Flue Specialists Ltd (until 18 Jan 2019)
Almoy Ltd. (until 1 Nov 2013)
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 Croydon
Other active plumbing and heating companies registered in Croydon.
- Withersea Ventilation Ltd2019
- Yass-Gas Ltd2024
- Yeltarp Ltd.2026
- 17168407 Ltd2026
- A D S Plumbing & Heating Engineer Limited2003
- Ac Elite Plumbing and Drainage Ltd2026
- Ac Heating & Gas Safety Solution Ltd2020
- Airflow Plumbing Ltd2021
All plumbing and heating companies in Croydon · All trades in Croydon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Wiltons Insulation Flues & Chimneys Limited's accounts due?
Wiltons Insulation Flues & Chimneys Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Wiltons Insulation Flues & Chimneys Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Wiltons Insulation Flues & Chimneys Limited still trading?
Wiltons Insulation Flues & Chimneys Limited is listed as active on the Companies House register (checked 13 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 Wiltons Insulation Flues & Chimneys Limited do?
Wiltons Insulation Flues & Chimneys Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Wiltons Insulation Flues & Chimneys Limited?
Wiltons Insulation Flues & Chimneys Limited was incorporated on 1 October 1996, 30 years ago.
What is the penalty if Wiltons Insulation Flues & Chimneys 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 Wiltons Insulation Flues & Chimneys Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.