Fixed fee from £1,225. MCIAT chartered. Islington planning experienced. 1 postcode covered: N5.
Highbury is Victorian terraces around Highbury Fields. The dominant stock — victorian terraces, mansion blocks — has specific constraints and opportunities for house extension drawings. Side returns sit better on bay-fronted Victorian terraces than on detached 1930s semis. Mansards work where the existing roofscape supports them. We design to the block, not the brochure.
Local context summary — Architectural Drawings London, MCIAT charteredMost house extension drawings projects in Highbury fall under Permitted Development if the property is a house (not a flat), not listed, and not in a conservation area. Islington has an Article 4 Direction — Article 4 Direction covering the whole borough removes permitted development rights for HMO conversions (C3 to C4). Separate Article 4 for office-to-residential in key areas. We confirm eligibility free at the site survey.
Drawings: fixed fee from £1,225 (House Extensions). Construction cost is separate and depends on size, finish and structural complexity. For victorian terraces, mansion blocks (typical of Highbury), expect £45,000–£85,000 build cost for a standard rear extension or loft, more for mansards or basements.
12–14 weeks from first call to Islington Council planning decision. Site survey week 1, design weeks 2–3, validation 1–2 weeks, statutory 8-week determination.
Highbury is characterised by victorian terraces, mansion blocks. We've delivered house extension drawings for every period represented here — the design choices vary significantly by stock.
Our first-time approval rate in Islington is 98%. Pre-application advice from Islington Council is built into our process when the case is borderline (conservation area, Article 4, listed).