- Companies
- Installers
- London
- NP Insulation Limited
NP Insulation Limited
- Company number
- 10446617
- Incorporated
- 26 Oct 20169 years trading
- Registered office
- 339 Sherrard Road 339, Sherrard Road, London, Newham, E12 6UH
- Nature of business
- Other construction installation
NP Insulation Limited is a 9-year-old private limited company registered in London, company number 10446617, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. 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 £6,160 (+61%) on the year before, to £16K.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £31K against £1,444 owed within a year: more than 10 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £16K | £11K | £31K | £1,444 | 2 |
| 31 Oct 2024 | £10K | £41K | £50K | £23K | 1 |
| 31 Oct 2023 | £786 | £15K | £22K | £3,428 | 1 |
| 31 Oct 2022 | £1,485 | £15K | £21K | £165 | 1 |
| 31 Oct 2021 | £2,186 | £19K | £25K | 1 | |
| 31 Oct 2020 | £2,149 | £53K | £56K | £23K | 1 |
| 31 Oct 2019 | £3,568 | £2,978 | £17K | £13K | |
| 31 Oct 2018 | -£17K | -£23K | £5,682 | ||
| 31 Oct 2017 | £197 | £121 | £2,317 | £2,120 |
Where NP Insulation Limited is registered
The registered office is in London (E12), in the Newham local authority area, London. Show E12 6UH on a map.
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What happens if NP Insulation 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
- 10446617
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 October 2016 (9 years ago)
- Registered office
- 339 Sherrard Road 339, Sherrard Road, London, Newham, E12 6UH
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 24 October 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- NR Collective Ltd2022
- Nukka Limited2003
- NW3 Installations Limited2021
- NXT Level Group Ltd2025
- NXT STP Ltd2020
- Nxtgen Installations Ltd2024
- O Clarke Contracting Ltd2026
- O&L Construction Ltd2020
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are NP Insulation Limited's accounts due?
NP Insulation Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is NP Insulation 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 NP Insulation Limited still trading?
NP Insulation 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 NP Insulation Limited do?
NP Insulation Limited is registered under Other construction installation (SIC 43290).
How old is NP Insulation Limited?
NP Insulation Limited was incorporated on 26 October 2016, 9 years ago.
What is the penalty if NP Insulation 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 NP Insulation 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.