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Company profile · Installers
Arc Waterproofing Limited
Arc Waterproofing Limited is a 17-year-old private limited company registered in Woodford Green, company number 06865513, one of 48 installation companies (insulation, lifts, shutters and similar) in Woodford Green. 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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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Arc Waterproofing Limited over the years
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 £480K (-40.2%) on the year before, to £714K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £6M against £5.4M owed within a year: 1.1 times cover.
- 37 employees on average, up from 34 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 | £714K | £374K | £6M | £5.4M | 37 |
| 31 Aug 2024 | £1.2M | £215K | £4.9M | £3.7M | 34 |
| 31 Aug 2023 | £1.1M | £181K | £4M | £3M | 26 |
| 31 Aug 2022 | £991K | £96K | £3.1M | £2.2M | 25 |
| 31 Aug 2021 | £783K | £60K | £2.8M | £2M | 20 |
| 31 Aug 2020 | £346K | £48K | £2.3M | £1.9M | 13 |
| 31 Aug 2019 | £8,659 | £918 | £786K | £734K | 10 |
| 31 Aug 2018 | £135K | £6,650 | £215K | £97K | 10 |
| 31 Aug 2017 | £65K | £119 | £48K | £3,515 | |
| 31 Aug 2016 | £71K | £46K | £69K | £16K |
Where Arc Waterproofing Limited is registered
The registered office is in Woodford Green (IG8), in the Redbridge local authority area, London. Show IG8 8HD on a map.
Other trade companies in IG8
- Crewforce LtdBuilders
- Pbcomms LtdCivil engineering
- Valence Capital LtdProperty developers
- Ukk Landlord Services LtdSpecialist contractors
- Easena LtdCleaning companies
- Setform Developments LtdProperty developers
- Ironstone Property Services LtdSpecialist contractors
- Capital Steelfixing LtdInstallers
Shared registered office
124 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Arc Waterproofing 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
- 06865513
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 April 2009 (17 years ago)
- Registered office
- 19-20 Bourne Court, Southend Road, Woodford Green, Essex, IG8 8HD
- Nature of business
- Other construction installation (SIC 43290)
specialised design activities (SIC 74100) - Year end
- 31 August (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 27 August 2025
- Previous names
- Arc Building Contractors Limited (until 1 Jun 2018)
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 Woodford Green
Other active installation companies (insulation, lifts, shutters and similar) registered in Woodford Green.
- Asbpro Limited2013
- Atlantica Transport Ltd2023
- Ay Probuild Limited2026
- Britannia Acoustic and Fire Ltd2019
- Britannia One Ltd2026
- Brook Project Flooring Limited2026
- Capital Steelfixing Ltd2026
- Chingford Gates Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Woodford Green · All trades in Woodford Green · Installers across the UK
Frequently asked questions
When are Arc Waterproofing Limited's accounts due?
Arc Waterproofing Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Arc Waterproofing 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 Arc Waterproofing Limited still trading?
Arc Waterproofing Limited is listed as active on the Companies House register (checked 12 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 Arc Waterproofing Limited do?
Arc Waterproofing Limited is registered under Other construction installation (SIC 43290); specialised design activities (SIC 74100).
How old is Arc Waterproofing Limited?
Arc Waterproofing Limited was incorporated on 1 April 2009, 17 years ago.
What is the penalty if Arc Waterproofing 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 Arc Waterproofing Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.