Halloway & Ardley Architects

We design house extensions, loft conversions and low-energy retrofits for people who live in Bristol's Victorian and Edwardian streets.

Two architects, one studio on Wilder Street. Nina Halloway and Sam Ardley run every project themselves, from the first sketch to the last site visit.

Most of our work starts with a survey and a planning application. Some of it starts with a house you have not bought yet.

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What we work on

Rear and side extensions

Single and double-storey extensions to terraced and semi-detached houses, including the party wall notices your neighbours will receive before anyone digs.

Loft conversions

Dormer and rooflight conversions, with the head height, the stair and the escape route checked against the Building Regulations before you commit to anything.

Listed buildings and conservation areas

Work to a listed building needs listed building consent as well as planning permission. We prepare both applications and talk to the conservation officer ourselves.

Low-energy retrofit

Insulation, airtightness and ventilation for solid-wall houses, designed together so the wall can still dry out afterwards.

How a project runs

1. First visit

We walk round the house for an hour, talk about what you need and what you can spend, and tell you whether the idea works. There is no charge for that visit.

2. Survey and drawings

We measure the house and draw what is actually there. Everything after this is built on that survey, which is why we do not skip it.

3. Planning

We design the scheme with you, submit the planning application, and answer the case officer when the questions come back.

4. Building regulations and site

Technical drawings, the structural engineer's design, builder pricing, and visits while the work is going on.

Tell us about the house

Send the address, a couple of photographs and one sentence about what you want to do. We reply within two working days and say honestly whether it is worth a visit.

Contact the studio

Get the full version $49

6 pages and 23 sections, already written for a Bristol practice: six project write-ups, eight service blocks following the RIBA Plan of Work 2020 stages 0 to 7, a fees page with its exclusio

This page is the free working part. The full version is sent to your inbox.

The services page follows the RIBA Plan of Work 2020, the Royal Institute of British Architects' published framework of stages 0 to 7, and the FAQ uses the eight-week determination period for a householder planning application in

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