MCIAT chartered extension plans for Hampstead Garden Suburb and the wider NW11 area, around 30% below typical London architect rates. The authority for Hampstead Garden Suburb is Barnet Council; the policy is the Barnet Local Plan; the address sits in NW11.
In short: house extension drawings in Hampstead Garden Suburb are survey-based Hampstead Garden Suburb drawings for a rear, side or wrap-around extension in NW11. Barnet Council decides, and they fix the Hampstead Garden Suburb depth against permitted-development limits, answer the 45-degree amenity test Barnet Council applies, and locate the party wall on the arts & crafts houses.
No Article 4 Direction covers Barnet, which keeps the Hampstead Garden Suburb permitted-development route open on unlisted houses. Hampstead Garden Suburb is Arts & Crafts garden suburb, conservation; near Central Square that context does most of the work in an officer report. Check Hendon before assuming permitted development on a Hampstead Garden Suburb house; Barnet designates 20 such areas. A Hampstead Garden Suburb address on the edge of the boundary is checked, not guessed.
Article 4 directions are checked street by street in Hampstead Garden Suburb; the borough-wide answer is rarely the whole answer. On Hampstead Garden Suburb plots the original rear wall and the Central Square ridge line set the envelope. The borough policy layer over every NW11 address is set out on Barnet planning. The Hampstead Garden Suburb survey then carries into planning permission in Hampstead Garden Suburb if the project runs on to construction.



Validation at London Borough of Barnet is the first delay a Hampstead Garden Suburb applicant meets. Step one at a NW11 address is a full measured survey of the existing building.
Statutory periods: 8 weeks from validation for a householder application, 13 weeks for a major scheme, 6 weeks for prior approval with a 21 days neighbour consultation, and 5 weeks for a full plans building control submission. A party structure notice requires one month notice and two months where excavation is involved.
A Hampstead Garden Suburb case only reaches committee if it draws significant objection. Hampstead Garden Suburb clients receive existing and proposed sheets in one indexed set.
Most Hampstead Garden Suburb refusals trace back to overlooking, not to size. We measure the NW11 property room by room, including ceiling heights and floor falls.
Serve NW11 party wall notices before work starts, not after. Once consent is granted, building regulations drawings follows for the NW11 property.
Hampstead Garden Suburb is characterised by arts & crafts houses, edwardian villas, concentrated across NW11 in the Golders Green / Hampstead Garden Suburb area. The arts & crafts houses across Hampstead Garden Suburb decides how a scheme is built, not just how it looks. The Hampstead Garden Suburb version of that is simple: edwardian plots here are wider, so a wraparound picking up both the side return and the rear is normally achievable within the 4 m detached / 3 m attached limits. For a Hampstead Garden Suburb owner it decides the structural spec. Massing on a Hampstead Garden Suburb scheme is argued against the Central Square street rhythm.
Subterranean NW11 work needs a structural case as much as a planning one. If the NW11 job later needs loft conversion drawings for NW11 properties or architectural drawings, the existing drawings already carry the measurements.
For a NW11 address the deliverables are fixed, not open-ended.
on Ordnance Survey grid reference TQ265885, inside the Finchley and Golders Green parliamentary constituency. That grid reference is not trivia — the Hampstead Garden Suburb site location plan is drawn over it, and Barnet Council validates the address against it. Source.
Practical detail for a Hampstead Garden Suburb submission: post town for the area is LONDON; dialling code 020. Site plans are drawn to the address as Barnet Council holds it.
We survey and draw across NW11 (Golders Green / Hampstead Garden Suburb), shared with Golders Green. The NW11 boundary decides which Barnet designations apply to your Hampstead Garden Suburb address.
Around Hampstead Garden Suburb that means Downing Street, Golders Green, Finchley Road, Golders Hill Park and Fortis Green.
We survey across Hendon (NW4), Mill Hill (NW7), Edgware (HA8), Colindale (NW9), Whetstone (N20), East Finchley (N2) as well as Hampstead Garden Suburb itself, plus the Brent side of the boundary.

You know the number before the surveyor is booked. The variables on a NW11 job are structural: party walls, floor levels, and whether the Hendon designation adds a heritage statement.
Statutory application fees are set by regulation, not by the council: £548 householder, £610 for a new dwelling, £274 for a lawful development certificate, £249 for prior approval.
That charge is London Borough of Barnet's, taken when the Hampstead Garden Suburb application is lodged. London planning approval-rate dataset · Barnet planning · the London house extension drawings pillar page · house extension drawings in Hendon.
The technologist who surveys your Hampstead Garden Suburb property signs the drawings. Borderline is normal in Hampstead Garden Suburb; we resolve it with Barnet Council before submission rather than after refusal.
Drawings are produced by chartered members of the Chartered Institute of Architectural Technologists (MCIAT), the professional body for technical design and building-regulations competence. First-time approval across our London caseload is 98%. Statutory fees shown are those in force in England in 2026 under the Town and Country Planning (Fees for Applications) Regulations. Confirm your local authority at gov.uk and submission requirements on the Planning Portal. Studio: 71–75 Shelton Street, London WC2H 9JQ.
Tell us the NW11 address and what you want to build; the rest we handle. This Hampstead Garden Suburb page was reviewed in August 2026.
Frequently not. A Hampstead Garden Suburb house that is unlisted and outside Hendon normally retains permitted development. No Article 4 Direction covers Barnet, which keeps the Hampstead Garden Suburb permitted-development route open on unlisted houses. We confirm it at survey.
Barnet has 20 conservation areas; the one that matters for a NW11 address is normally Hendon.
Hampstead Garden Suburb work is largely arts & crafts houses, edwardian villas, surveyed on site rather than from old plans.
Yes. Barnet in full, Hendon included, and the Brent side of the boundary — though the arts & crafts houses and designations change as you move.

house extensions · Barnet planning · the London house extension drawings pillar page
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