Party Wall Surveyor in Islington

N1, N4, N5, N7 and EC1 — Georgian and Victorian terraces, basements and heavily converted houses

Grey & Associates are party wall surveyors in Islington, covering N1, N4, N5, N7 and EC1, Barnsbury, Canonbury, Highbury, Holloway, Finsbury Park and Clerkenwell. We act for owners building and for neighbours receiving notice. Fixed fees start at £165 + VAT per adjoining property.

Key takeaway

Islington has the highest proportion of multiple-adjoining-owner cases in North London. Its Georgian and Victorian terraces are narrow, deep and heavily converted, so a single house can contain two or three flats with the party structure touching several demises. Basements under the Barnsbury and Canonbury terraces add section 6 to a case that already involves section 2.

If a notice has arrived and you own a flat in a converted house or block, the position is usually stronger than people assume: in a dispute the Building Owner pays the reasonable fees of both sides' surveyors.

What Islington cases turn on

Barnsbury, Canonbury and the basement terrace

The Georgian and Victorian terraces around Barnsbury and Canonbury are narrow, deep and often listed or in conservation areas. Basements are common, and they usually engage section 6 because the excavation goes below the neighbouring house's shallow footings. Where the shared wall is also altered, section 2 applies with its two-month notice.

The Schedule of Condition has to record historic fabric, cornices, joinery and the neighbour's drainage and existing movement. Those are the issues a later claim will turn on.

Converted houses and the notice count

A large share of Islington houses have been divided into flats. A loft conversion at the top of a converted house can mean notices to the freeholder and to leaseholders below or beside the work. Each flat whose demise touches the party structure can be a separate interest.

The count decides the number of notices, the number of schedules and the realistic fee. It is the first job on any Islington project, and getting it wrong is the most common avoidable delay.

Highbury, Holloway and the larger villas

Highbury has larger Victorian villas, where the project is more often a substantial lateral conversion within one building than a boundary extension. Holloway and Finsbury Park have denser terraces and more flat conversions.

In both, the party structure can be a wall, a floor or a roof. We check the drawings and the title before deciding which notices apply.

What catches people out in Islington

  • Count the flats first. In Islington, one house can contain several adjoining owners, each entitled to notice and, in a dispute, their own award.
  • Treat the basement as section 6 work. The neighbouring footings are shallow, and the Schedule of Condition is the evidence that matters if damage is alleged.
  • Record the historic fabric. Cornices, joinery and plasterwork are the finishes most likely to be disturbed and most expensive to repair.
  • Check access early. Rear extensions and basement digs often need plant through a shared side passage or garden. The award does not grant that right.

For the underlying law, the Party Wall Act explained sets out the framework. Our party wall notice guide, schedule of condition guide and party wall award guide cover the three documents every case runs through.

Fees for party wall work in Islington

Fixed and published: £165 + VAT per adjoining property to serve notice, £620 + VAT per Schedule of Condition, and £350 + VAT per adjoining property for an award acting for the Building Owner. A one-neighbour dispute — notices, one Schedule of Condition and the award — is £1,135 + VAT. All prices exclude VAT at 20%.

Basement and underpinning works are priced differently. Deeper excavation, more engineering input and more extensive schedules put them outside the fixed figures above. We review your plans and the proposed works first, then present a formal written quote before anything is agreed or any notice is served.

The full breakdown, including the statutory position on who pays for both sides' surveyors, is on our London party wall surveyor page. The regional hub for this page is North London.

Islington party wall questions

Do I need a party wall notice for a basement in Islington?

Almost always. A basement that goes below the neighbouring foundations will normally engage section 6, and work to the shared wall can engage section 2. The Schedule of Condition should record drainage, damp and existing movement before excavation.

The house next door in Islington is divided into flats. How many notices do I need?

One per adjoining owner, which can be several. Each flat whose demise touches the party structure can be a separate interest, and the freeholder may be another. We check the title before serving.

My side-return extension in Islington is against two neighbours. How many notices?

Usually two, one for each adjoining owner. In a converted house there may be more interests. The new foundations will normally be within three metres of the neighbouring structure, which is section 6 work as well as section 2 if the wall is altered.

What does a party wall surveyor cost in Islington?

£165 + VAT per adjoining property to serve notice, £620 + VAT per Schedule of Condition, and £350 + VAT per adjoining property for an award acting for the Building Owner. A one-neighbour dispute is £1,135 + VAT. Basement and underpinning work is quoted separately.

Further reading

North London work runs from basement terraces to 1930s semis and new-build boundaries. These articles go into the detail:

See also our section-by-section guide to the Party Wall etc. Act 1996, our party wall FAQs, how the notice process works and about the practice.

Talk to an Islington party wall surveyor

Grey & Associates have worked exclusively on the Party Wall etc. Act 1996 since 2008, including basement, structural and multi-owner schemes across London. The first conversation is free.

  • Fixed fees per adjoining property, agreed before work starts.
  • Schedules of Condition that stand up as evidence a year later.
  • Experience of listed buildings, conservation areas and converted houses.
  • Representation for owners building, and owners who have received a notice.

Call 020 8150 3762 or email info@greyandassociates.co.uk.

Nearby: Camden Town, Hackney, Tower Hamlets and Enfield. Digging out a basement? That work has its own page: basement and underpinning party wall surveyors.

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