- Companies
- Installers
- Radlett
- Gefyra Waterproofing Ltd
Gefyra Waterproofing Ltd
- Company number
- 15038390
- Incorporated
- 31 Jul 20233 years trading
- Registered office
- 33 Shenleybury Cottages, Shenley, Radlett, WD7 9DJ
- Nature of business
- Other construction installation
Gefyra Waterproofing Ltd is a 3-year-old private limited company registered in Radlett, company number 15038390, one of 6 installation companies (insulation, lifts, shutters and similar) in Radlett. Its next accounts are due at Companies House on 31 May 2028, and the CT600 for the period to 31 August 2027 is due at HMRC on 31 August 2028.
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 £119K (+104%) on the year before, to £4,555.
- Current assets of £437K against £433K owed within a year: 1.0 times cover.
- 6 employees on average, up from 3 the year before.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2026 | £4,555 | £437K | £433K | 6 | |
| 31 Jul 2025 | -£114K | £13K | £127K | 3 | |
| 31 Jul 2024 | £7,579 | £9,356 | £1,778 | 1 |
Where Gefyra Waterproofing Ltd is registered
The registered office is in Radlett (WD7), in the Hertsmere local authority area, East of England. Show WD7 9DJ on a map.
Other trade companies in WD7
- Love My Cleaner Leighton Buzzard LtdCleaning companies
- Hilfield LimitedProperty developers
- Meranda Projects LimitedFinishing trades
- Parratt Electrical Services LtdElectricians
- Shaws Water Group LtdCivil engineering
- Fresh Form LtdCleaning companies
- Hollobon LimitedPainters and decorators
- Scleaningservices LtdCleaning companies
Also registered at this address
2 other companies use the same registered office as Gefyra Waterproofing Ltd.
- Glide Lifts LtdCivil engineering
- John's Gutters LtdSpecialist contractors
What happens if Gefyra Waterproofing Ltd 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 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2028 to 30 Jun 2028 | £150 |
| 1 to 3 months late | 1 Jul 2028 to 31 Aug 2028 | £375 |
| 3 to 6 months late | 1 Sep 2028 to 30 Nov 2028 | £750 |
| More than 6 months late | From 1 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2029 | 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
- 15038390
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 July 2023 (3 years ago)
- Registered office
- 33 Shenleybury Cottages, Shenley, Radlett, WD7 9DJ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2026
- Last confirmation statement
- 11 March 2026
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 Radlett
Other active installation companies (insulation, lifts, shutters and similar) registered in Radlett.
- Thermasash Ltd2018
- Wrens Limited2002
- Bathrooms and Kitchens Limited2019
- D71 Ltd2023
- Do IT All Solutions Ltd2023
All installation companies (insulation, lifts, shutters and similar) in Radlett · All trades in Radlett · Installers across the UK
Frequently asked questions
When are Gefyra Waterproofing Ltd's accounts due?
Gefyra Waterproofing Ltd's next accounts are due at Companies House by 31 May 2028 (in 596 days), covering the period to 31 August 2027.
When is Gefyra Waterproofing Ltd's CT600 due?
The CT600 for the period to 31 August 2027 is due at HMRC by 31 August 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2028.
Is Gefyra Waterproofing Ltd still trading?
Gefyra Waterproofing Ltd 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 Gefyra Waterproofing Ltd do?
Gefyra Waterproofing Ltd is registered under Other construction installation (SIC 43290).
How old is Gefyra Waterproofing Ltd?
Gefyra Waterproofing Ltd was incorporated on 31 July 2023, 3 years ago.
What is the penalty if Gefyra Waterproofing Ltd 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 Gefyra Waterproofing Ltd 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.